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'96 additives.

A report released in July by The Freedonia Group, Inc., Cleveland, projects the demand for plastics additives to reach 14 billion lbs, valued at $8 billion, by the year 2000. Although the report projects volume demand to increase 3.2% per year between 1995 and the year 2000, it also anticipates the use of more efficient additives to somewhat offset overall gains by permitting lower loading levels Value gains are expected to be driven by increased demand for more sophisticated and higher-priced, environmentally compatible additives [Report #797, The Freedonia Group, Inc., 3570 Warrensville Center Rd., Suite 201, Cleveland, OH 44122-5226; (216) 921-6800; Fax (216) 921-5459.]

The U.S. market for flame retardant chemicals, valued at $718 million in 1995, is one segment of the additives market that is expected to achieve continued growth through the year 2000, according to a report by Business Communications Co. (BCC), Inc. The report, RC-004Y Flame-Retardant Chemicals, projects the market to grow at an average annual rate of 5.2% and reach a total value of $924 million by the year 2000. Expected to achieve the largest growth are bromine-based and chlorine-based flame retardants, which are projected to increase their market value from $353 million in 1995 to $482 million by the year 2000 - an average annual growth rate of 6.4%.

Phosphorus-based flame retardants and magnesium hydroxide will register the second-highest rate of growthNan average annual rate of 6.2%, according to the report. Key factors in the anticipated growth of phosphorus-based flame retardants include interest in reducing smoke obscuration and corrosivity. Thermal stability and low corrosiveness are properties that have increased the market for magnesium hydroxide, the report says.

Over the same five-year time period, alumina trihydrate and antimony oxide are projected to increase in market value from $225 million to $256 million. Their anticipated growth rate (2.6%) is relatively low because of mature end-use markets and temperature limitations that are expected to limit the growth of aluminum trihydrates, and because of soft demand in key markets for antimony oxide.

The market for other flame retardant chemicals - primarily boron-, molybdenum-, and nitrogen-base compounds - is expected to increase 3.7% annually to a total of $18 million in the year 2000. Flame retardants in this category are used as synergists and as partial replacements for higher-priced chemicals. [Report RC-004Y, Business Communications Co., Inc., 25 Van Zant St., Norwalk, CT 06855; (203) 853-4266.]

PE's annual company-by-company report on additives for the plastics industry:

ACuPowder International

ACuPowder International, LLC, is the name of the former Alcan Powders & Pigments, which underwent a name change when its management group purchased the company's assets last December. ACuPowder International, LLC, 901 Lehigh Ave., Union, NJ 07083; (908) 851-4500; Fax (908) 851-4597.

Advanced Ceramics

PolarTherm boron nitride-based fillers, introduced last spring, are said to offer superior thermal conductivity over other commonly used fillers, such as aluminum oxide, aluminum nitride, and fused silica. According to the manufacturer, the fillers increase the thermal conductivity of polymeric materials to levels as high as 20 watts/m [degrees] K. In addition to high thermal conductivity, the fillers offer favorable electrical insulation and a dielectric constant of 4. They are in the form of a chemically inert powder, said to resist moisture and provide high volume resistivity (above [10.sup.15] ohm-cm).

PolarTherm fillers are said to be suited for materials used in electronic assemblies, where factors such as miniaturization and circuit board density have increased the need for heat dissipation and improved dielectric constant and dissipation factor. They are available in various grades, ranging from fine particles to large agglomerates. Their soft, lubricious texture is reported to lessen wear and tear on tooling used to produce highly filled polymeric materials Advanced Ceramics Corp., 11907 Madison Ave., Cleveland, OH 44107-5026; (216) 529-3900 or (800) 822-4322.

Advanced Refractory Technologies

In August, the company announced its introduction of the A500-FX family of aluminum nitride (AIN) fillers. Available in powder form, the fillers are intended to provide improved thermal management in various polymers used in electronics applications. Benefits of aluminum nitride include "outstanding" thermal conductivity, low thermal expansion, electrical resistivity, and corrosion resistance, the manufacturer says. The powders are readily incorporated into most polymers with low viscosity build, which permits higher loadings. They are available in three standard sizes: 20 micron/finer, for automatic syringe type applications; 50 micron/finer, for improved thermal conductivity where thin bond line tolerances must be maintained; and 150 micron/finer, for applications that can tolerate larger particle sizes. Advanced Refractory Technologies, Inc., 699 Hertel Ave., Buffalo, NY 14207; (716) 875-4091; Fax (716) 875-0106.

Air Products

Anquamine 419, introduced late last year, is a curing agent for water-based epoxy coating formulations. Designed for use with solid epoxy dispersions, the curing agent is reported to provide excellent corrosion resistance when used as a primer for industrial maintenance and transportation applications.

Last December, the firm announced that it had completed an expansion of its epoxy additives manufacturing facility in Manchester, England. The expanded plant will manufacture a broad range of epoxy additives, including recently acquired Akzo curing agents and adhesion promoters. According to the firm, applications for the additives include high-performance adhesives, advanced composites, corrosion resistant paints, and industrial flooring. The facility uses computer-controlled batch processing for its reactors, and drum and intermediate bulk container filling capabilities.

In February, the firm announced its finding that its Surfynol surfactant additives can be effective in formulating thermoset powder coatings. The company reported that its Surfynol 104S surfactant provides excellent flow and leveling to powder coatings for compliant end uses, such as automotive, appliance, metal furniture, and nonmetallic substrates. It also stated that the surfactant, when used as an alternative to benzoin, is effective at a lower use level than benzoin, and will not contribute to yellowing of the finished powder coating in high-temperature environments. The surfactant may also improve substrate wetting or pigment surface wetting during mixing without the side effects of residual foam generation or water sensitivity.

Late last year, the company introduced its Ancamine 2432 epoxy curing agent, a modified aliphatic amine. The curing agent is said to offer rapid ambient and low temperature cure in epoxy formulations, but with a longer working life than conventional fast-cure hardeners. It provides favorable chemical resistance, even to aggressive chemicals such as MEK, methanol, and organic acids, the manufacturer says. The additive can be used as the sole curing agent or as an accelerator in chemically resistant coatings, floorings, and secondary containment linings. Air Products and Chemicals, Inc., 7201 Hamilton Blvd., Allentown, PA 18195-1501; (800) 345-3148; Fax (610) 481-4381.

Akcros

The firm's Interlite series of heat and light stabilizers for PVC are closely related to the previously introduced lead-based and cadmium-based Interstab stabilizers. Based on calcium and zinc, the new Interlite stabilizers have application in PVC pipe and profiles. The Interlite ZG 0168 series, in granule form, and ZT 0169 series, in tablet or flake, are suited for pipe applications. Profiles make use of ZG 30002 and ZG 3120, both in granule form, and the Interlite ZT 3049 series, available in the form of tablets or flakes.

Other new additives include a range of Akcrostab flexible PVC stabilizers for general-purpose applications, and applications requiring high efficiency, high crystal clarity, and low volatility.

General-purpose Akrostabs include the BZ-5014, BC-5016, BZ-5020, and SA-5030 stabilizers. BZ-5014 is a slightly lubricating, barium-zinc-based liquid for use in general-purpose garden hose or moldings. It is said to function well in clear and opaque formulations and provide excellent clarity. BC-5016, a low-cost liquid stabilizer based on barium and cadmium, is designed for use in extrusion and plastisol applications. It is said to provide the brilliant white and color control necessary for various designs and graphic patterns, and is suited for spread coating/molding applications such as automobile floor mats. BZ-5020, an epoxidized soybean oil blend based on barium and zinc, is used for extrusion/calenderette preparation of chair pads and floor protectors. The product is pH balanced to be compatible with most common dyes and pigments. Although designed for use in pebble-grained clear applications, it may also have utility in pigmented applications. Akcrostab SA-5030 is a liquid barium carboxylate that can be used as a booster for improving the long term dynamic performance of other mixed metal soap stabilizers.

The firm's high efficiency flexible PVC stabilizers include Akcrostabs LT-2001M and BZ-4985. Based on calcium and zinc, LT-2001M is an organically boosted heat stabilizer for flexible PVC calendering and extrusion. LT-2001M functions in clear and opaque systems and is said to be compatible with a wide range of compounding ingredients. It offers favorable initial and mid-term color hold without the use of barium. In most cases, the additive performs as a complete stabilization system, but it may benefit from the use of a solid "booster." According to the manufacturer, typical usage levels are from 2.0 to 4.0 phr, but vary with individual application needs.

Akcrostab BZ-4985 is a barium-zinc liquid heat stabilizer that is reported to provide excellent clarity in clear formulations; it also functions well in opaque applications. The additive is intended for use at 2.0 to 4.0 phr for general compounding, but has also shown promise in wire and cable primary insulation. Usage levels vary considerably because of the additive's wide range of application.

Suited for "ultraclear" applications, Akcrostab BZ-4996 is a barium-zinc liquid that is said to provide exceptional initial color hold and sparkle. The additive can be used in extrusion or general compounding, and is intended for use in a wide durometer range. Typical usage levels range from 1.5 to 3.5 phr.

The trend within the flexible PVC industry has been toward increased use of liquid heat stabilizers that have reduced levels of volatile hydrocarbon solvents. In keeping with this trend, the company has developed products that have significantly reduced volatile material content. Akcrostab ABC-4990 is a barium-free and cadmium-free stabilizer/activator for plastisol foam applications. The product is reported to exhibit controlled foam generation and excellent heat stabilizer characteristics. It has shown excellent permanence and resistance to exudation and is highly compatible with most standard formulation materials, the manufacturer says. It is also said to be suited to a wide range of foam substrate applications, including those that are skin-coated.

Akcrostab CAZ-4991 is a low-volatility, calcium-based and zinc-based heat stabilizer for plastisol skin coats. The product is reported to provide excellent stability and clarity, coupled with low exudation, to ensure a tenacious bond between skin coat and foam layer.

Akcros has also recently introduced several tin stabilizers for PVC applications. Akcrostab T-5003 is a high-efficiency butyltin stabilizer in the form of a high-tin-content, low-viscosity liquid. Suited for weatherable PVC applications, the product is said to exhibit favorable early color hold and good long term heat stability. The manufacturer recommends use levels of 0.5 to 0.6 phr for siding topcoat and profile applications; lower use levels are possible for substrate applications.

The following Akcrostab products have also been introduced: T-5024 (for injection molding), a mildly lubricating product that aids flow in high-shear molding applications. It is said to said to offer favorable early color and long term stability. T-4997 is a lower-tin-content (9% to 11%), highly weatherable product for use in window profiles, fencing, or siding. It can be used in capstock or substrate, in which a lower-tin-content product is preferred. T-4911 is a high-tin-content stabilizer recommended for high-shear applications that require favorable color hold. Said to have good weatherability and low odor, the product can be used in siding topcoat, window profiles, and injection molding. T-4940 is a lower-tin-content version of T-4911, and is intended for use in siding substrate and other general-purpose rigid PVC applications. Both T-4911 and T-4940 have excellent UV stability, good color hold, and low odor, the manufacturer says. Akcrostab T-4969 is another low-tin-content PVC stabilizer for weatherable applications such as siding and window profiles. It can be used at lower use levels than conventional stabilizers.

The firm also introduced two general-purpose butyltin stabilizers, designed primarily for rigid packaging applications. Akcrostab T-4963 is a low-odor, general-purpose product with good early color hold. Akcrostab T-4953 is said to have better color hold but also increased odor versus T-4963. Both products are used for blow molding and sheet extrusion. Akcros Chemicals America, 500 Jersey Ave., P.O. Box 638, New Brunswick, NJ 08903; (908) 247-2202; Fax (908) 247-2287.

Albemarle

In June, the firm announced its addition of methylaluminum sesquichloride (MASC) production capabilities at its Houston complex. The addition triples Albemarle's global production of MASC, the key raw material for production of trimethylaluminum (TMA). Trimethylaluminum is important as a Ziegler-Natta co-catalyst and is the key raw material for production of methylaluminoxane (MAO), a key co-catalyst for metallocene single-site polyolefin catalysis.

The MASC expansion follows the firm's expansion of its TMA facility in Orangeburg, S.C., announced last fall (September 1995). Combined, the two expansions promise to provide the capacity to meet foreseeable global requirements for TMA and MAO production.

In late September of this year, Albemarle introduced Saytex BC56-HS flame retardant, in response, it says, to customer requests for flame retardants that are able to withstand high temperatures and in recognition of the growing use of recycled polystyrene. The product is also said to resist discoloration during processing and to meet the regulations embodied in Germany's proposed ordinance concerning dioxin. Saytex BC56-HS is suitable for expandable polystyrene used in small electronic enclosures, high-impact polystyrene, and polystyrenic foams such as insulation board for residential and commercial building. Albemarle Corp., 451 Florida St., Baton Rouge, LA 70801.

Albright & Wilson

Intumescent flame retardant technology for use in polyolefins continues to be a high priority for the company, which reports that injection molded furniture and extruded sheet products are among the new applications for its Amgard NP flame retardant. The company has also developed high impact strength flame retardant formulations based on new metallocene catalyzed polyolefins.

The company has also studied the modification of filled polymers with new mLLDPE materials According to the company, results have shown that the benefits of using mLLDPE additives in filled polymers are an extension of those published by Dow and Exxon for unfilled PP containing mLLDPE. For example, addition of 20% mLLDPE can increase impact resistance in the notched Izod test from 1 to 5 ft-lbs/in. The result is the ability to formulate a flame retardant material with properties very similar to unfilled polymers used in the application, with the exception of improved impact strength. Albright & Wilson Americas, P.O. Box 4439, Glen Allen, VA 23058-4439.

AlliedSignal

Last fall, the firm released technical literature on its color concentrates for plastics compounders. The literature, PLS-002, documents the effectiveness of the firm's color concentrates and the benefits of using A-C polyethylene-modified and polyethylene-based systems. Such benefits include improved pigment dispersion and reduced pigment degradation, according to the manufacturer. The literature includes recommendations for the best A-C polyethylene grades to use with specific base resins and blending methods It also includes brief summaries of color concentrate production methods, such as use of high-intensity, sigma blade, and Banbury mixers; two-roll mills, extruders, and mixer-extruders.

In June, the firm announced that it had begun, with select customers, the sampling of its HFC (hydrofluorocarbon)-245fa liquid blowing agent for rigid foam insulation applications The non-ozone-depleting blowing agent is a candidate to replace the firm's HCFC-141b in rigid foam insulation, which is used in household appliances and budding construction. Under the terms of the Montreal Protocol on Substances that Deplete the Ozone Layer, production and importation of HCFC-141b are scheduled for phaseout in the U.S. on Jan. 1, 2003. According to the manufacturer, HFC-245fa is nonflammable and has low global warming potential (GWP). It has received "favorable results" in all toxicity tests conducted to date, the manufacturer says.

ACX-1020 is a polyamide modified/ethylene-acrylic acid-based copolymer, benefits of which include processing improvement for polyamide and polyamide blends and alloys. The product can be used as a pigment vehicle and dispersant for polyamide. It is said to have excellent compatibility to polyamide, at "unusually high" levels of loading for an LMW material. AlliedSignal Inc., P.O. Box 1087, Morristown, NJ 07962-1087; (201) 455-2000.

AmeriBrom

The firm has exclusive marketing responsibility in North America for flame retardants of the Dead Sea Bromine Group (DSBG), of which it is a wholly owned subsidiary. Its most recent product introduction is the FR-1808 brominated phenyl indan, said to be particularly effective in styrenics. FR-1808 is said to provide excellent thermal aging, very high melt flow, and favorable polymer compatibility that permits good impact strength in plastic compositions. The technology behind its production is not related to diphenyl oxide chemistry, and the product may be viewed as an environmentally friendly flame retardant, the manufacturer says.

The firm has also developed the F-3000 Series, consisting of new grades of end-capped brominated epoxy. Key features of the brominated epoxies are their melt blend-able state, excellent UV stability, high melt flow characteristics, and favorable permanence. They are recommended by the manufacturer for their flame retardant efficiency and favorable mold release properties.

Other new products include the FR-1025 poly(pentabromobenzyl acrylate), the monomer FR-1025M, and the FR-20 Series of nonhalogenated flame retardants. The nonblooming FR-1025 poly(pentabromobenzyl acrylate) is said to provide effective flame retardancy, high resistance to temperature, weather, and chemicals; favorable processability, and excellent compatibility with fiber reinforcement and polymer matrices. The monomer FR-1025M (pentabromobenzyl acrylate) can be easily copolymerized with various comonomers. According to the manufacturer, the product's facility for homopolymerization or copolymerization with engineering thermoplastics via reactive extrusion is probably its most interesting feature. Graft copolymers of FR-1025M and polypropylene can be used as adhesion promoters, agents to improve dyeability, or compatibilizers in blends or alloys

The FR-20 Series flame retardants are based upon a high-purity, flame retardant grade of magnesium hydroxide. They have a very low surface area that permits quick "wetout," or penetration into the polymer substrate. AmeriBrom, Inc., 52 Vanderbilt Ave., New York, NY 10017; (212) 286-4000; Fax (212) 286-4475.

Ampacet

Product 110594 is a delustering concentrate that is said to impart a matte finish to blown polyethylene film applications The manufacturer says that the product imparts an "appealing paperlike appearance" to film structures when used at a letdown ratio of 2:1. It is carried in LLDPE and is reported to be acceptable for food contact under U.S. FDA (Food & Drug Administration) regulations. The product is also said to provide manufacturing economies by eliminating the need for any other method of reducing film gloss, sheen, and brightness.

Product 100600 is a 10% loaded hindered amine light stabilizer (HALS) blend that is recommended by the manufacturer for use in blown film, blow molding, and injection molding applications. Its capability for scavenging free radicals makes it an effective antioxidant at low temperatures, The manufacturer says that the concentrate performs similarly to Chimassorb 944 and other HALS UV concentrates available in the marketplace, but is a more cost effective alternative. For FDA applications, the product can be used at higher levels than other conventionally used HALS products.

In May, Ampacet announced its participation in a joint project with its licensee, Kafrit Industries (Israel), to develop and market flame retardants, agricultural film masterbatches, and other specialty additive concentrates. Products will be manufactured at Kafrit or Ampacet and will be marketed through Ampacet's global sales operation. Ampacet Corp., 660 White Plains Rd., Tarrytown, NY 10591-5130; (914) 631-6600; Fax (914) 631-7278.

Amspec

The company's compounding and dispersion division, Advanced Compounding, recently introduced Amsperse UV-100, a long-term UV stabilizer. Available as a liquid, Amsperse UV-1000 is inorganic and low-tinting. It is suited for semirigid PVC siding applications. Amspec Chemical Corp., Advanced Compounding, 617 W. Johnson Ave., Cheshire, CT 06410; (203) 271-2526; Fax (203) 272-8398.

B.I. Chemicals

Last spring, the firm introduced three new grades of chemical blowing agents (CBAs) - Exocerol 232, AO 38, and LAB 010 - for the foaming of rigid PVC. All of the foaming agents are formulated to yield fine cell structure and favorable density reduction at low processing temperatures. AO 38 is a blend of exothermic CBAs. It contains additives to enhance foam processing, yield lower densities, and improve physical properties, the manufacturer says.

It is supplied as a powder. LAB 010 is a blend of endothermic and exothermic CBAs; like AO 38, it contains additives to enhance foam processing, yield lower densities, and improve physical properties It is supplied in pelletized masterbatches in a carrier specially formulated for compatibility with PVC. Exocerol 232, supplied in powder form, is also a blend of endothermic and exothermic CBAs.

The firm, a subsidiary of Boehringer Ingelheim, announced last December that its parent company had received ISO 9001 certification for the manufacture of its line of endothermic (Hydrocerol), exothermic, and endothermic/exothermic blend (Exocerol) blowing and nucleating agents All of the blowing/nucleating agents are available in the U.S., Canada, and Mexico exclusively through B.I. Chemicals, Inc.

Also during the last year, the firm announced its purchase of the Activex endothermic chemical blowing/nucleating agents business from J.M. Huber Corp.'s Chemicals Division. In addition to the products, the purchase includes proprietary production processes and manufacturing equipment. Activex CBA products are used in production of a wide range of extruded and thermoformed plastic parts, such as automotive trunk liners, and in molded plastic parts such as business machine housings, tools, sporting goods, and appliances The manufacturer says that they permit reduced use of resins, improved physical properties, and reduction of sink marks B.I. Chemicals, Inc., Henley Division, 50 Chestnut Ridge Rd., Montvale, NJ 07645; (201) 307-0422.

Baerlocher USA

The company has been working on developing a range of products that address growing concerns regarding emissions, volatiles, and solvents in the vinyl industry. Product development has also been directed toward printability of calendered films and improved cost performance. Recently released products include Baerostab BCR 361 D, a high-efficiency, liquid Ba/Cd stabilizer that uses plasticizer as a carrier system and is suited for extrusion and calendering applications; and Baerostab UBZ 7951 D, a high-efficiency, liquid Ba/Zn product designed for calendering, extrusion, and injection molding applications. It, too, uses plasticizer as a carrying system. Other Baerostab releases are UBZ 7972 HF, a high-flash, liquid Ba/Zn product for clear compounds and medium-to-dark colors, said to promote favorable surface tension values; UBZ 630 D, a general-purpose, liquid Ba/Zn stabilizer for plastisol and extrusion applications, with plasticizer as a carrier; and CT 9271, a liquid Ca/Zn product for lightly pigmented plastisols, said to provide favorable early color in white. Baerlocher USA, 3676 Davis Rd. N.W., P.O. Box 545, Dover, OH 44622; (216) 364-6000; Fax (216) 343-7025.

BASF

In February, the company announced its finding that a combination of 0.5% Uvinul 4050H (a monomeric HALS) and 0.35% Uvinul 3035 (a cyanacrylate-based UV light absorber) was highly effective in protecting ABS when tested in a 1200-hr accelerated weathering xenotest trial. The combination was found to significantly reduce discoloration of ABS caused by exposure to light. It was also shown to protect against heat aging and increase impact resistance of the ABS. The manufacturer says that the Uvinul light stabilizer blend was found to be superior in performance to a blend of 0.5% bis(2,2,6,6-tetramethyl-4-piperadyl) sebacate and 0.5% 2(2[prime]-hydroxy-5[prime]-methyl-phenyl) benzotriazole light stabilizers

In March, the company announced that accelerated weathering trials and multiyear outdoor exposure tests had shown its Uvinul 4050H and Uvinul 5050H light stabilizers to be highly effective in stabilizing thick-walled polypropylene. In the outdoor exposure tests, 4.0-mm plaques of polypropylene homopolymer with 0.25% Uvinul 4050H showed "only a slight loss" in residual impact strength. Performance of Uvinul 4050H light stabilizer was found to be superior to that of 0.25% bis-2,2,6,6-tetramethyl-4-piperidyl sebacate light stabilizer after four years, the manufacturer said. The company recommends use of 0.1 to 0.6% of Uvinul 4050H or a 1:1 combination of Uvinul 4050H and Uvinul 5050H to stabilize polypropylene homopolymers.

The manufacturer also said that the two light stabilizers, used alone or in combination, demonstrated superior long-term heat stabilization in oven-aging trials of 4.5-mm plaques of polypropylene block copolymers containing carbon black. It said that its products provided greater protection against crack formation than the other light stabilizers and light stabilizer combinations tested. The company recommends stabilization of polypropylene block copolymers with 0.1 to 0.8% of a 1:1 combination of Uvinul 4050H and Uvinul 5050H, or 0.2% to 0.8% Uvinul 4050H.

Late in February, BASF announced that it had received FDA approval of its green shade yellow pigment, Paliotol Yellow K 0961 HD, for use as a polymer colorant inn food contact applications. The FDA approved the firm's indirect food additive petition for Paliotol Yellow K 0961 HD and listed Color Index pigment yellow 138 toner product as a colorant for plastics in food contact applications according to 21CFR 178.3297. Use of the product is limited to levels not exceeding 1 wt% of polymers, and finished articles are permitted only under specific conditions to come into contact with food. Table 2, 21CFR 176.170 (c), describes the conditions of use, which include the further provision that the finished articles shall not be filled at temperatures exceeding 158 [degrees] F (70 [degrees] C).

In January, the company announced that a "capital improvement" at its Rensselaer, N.Y., manufacturing facility had permitted the company to significantly improve the low dusting properties of its Sicotan pigments. At the same time, it announced that it was in the process of developing a low-dusting form of its nickel titanium yellow pigment. BASF Corp., 3000 Continental Drive North, Mount Olive, NJ 07828; (201) 426-2600.

BSI

In May, the company introduced three new PhotoLink antimicrobial coatings, reported to significantly reduce the risk of infection associated with implantable medical devices The coatings are categorized by the functions of microbial anti-adherence, antimicrobial agent incorporation, and antimicrobial agent immobilization. PhotoLink hydrophilic coatings that provide microbial anti-adherence reduce a surface's affinity for bacteria. The manufacturer says that in vitro assays using Staphylococcus epidermidis demonstrate significant reductions in bacterial adherence on a variety of coated substrates. The second option offered by the new products - antimicrobial agent incorporation - is achieved by incorporating the agents into covalently bound hydrophilic coatings. The agents are then slowly released from the coating matrix overtime. The third approach is to photochemically immobilize an antimicrobial agent directly to the surface of a device. The covalent bond between the antimicrobial peptide and the surface of the medical device permits long-term antimicrobial activity, the manufacturer says. In vitro studies are said to have shown the coatings to be effective against both gram-positive and gram-negative bacteria.

Surface characteristics that are said to be achievable through use of PhotoLink surface modification technology include improved lubricity, hemocompatibility, wettability, guided tissue growth, reduced protein and cell adhesion, drug delivery, and biomolecule attachment, in addition to antimicrobial properties. BSI Corp., Surface Modification Sciences, 9924 West 74th St., Eden Prairie, MN 55344-3523; (612) 829-2700; Fax (612) 829-2743.

C.P. Hall

In October, the company announced that its Manufacturing and Technical Center had recently received ISO 9001 certification. The facility is located in Bedford Park, Illinois The company also offers its "definitive" guidebook on plasticizers and resin modifiers, which can be obtained by calling the 800 number that follows The C.P. Hall Co., 311 S. Wacker, Suite 4700, Chicago, IL 60606; (800) 830-5863.

Cabot

In March, the firm's Special Blacks Division added a new product to its Black Pearls 3000 line by introducing Black Pearls 3200 carbon black for wire and cable applications. The additive is said to have high levels of cleanliness and smoothness, which permit it to achieve performance typical of the more costly acetylene blacks It is produced with reduced residue versus traditional carbon blacks that are used in copolymer formulations for wire and cable. The high smoothness of the product contributes to a smooth shield interface surface within the cable. This minimizes defects and irregularities, which have the potential for causing cable breakdown by contributing to electrical stresses that can lead to localized stress points.

Also in March, the company announced that it had approved a significant expansion in production capacity for specialty carbon blacks. Construction of a new facility with an annual capacity of approximately 25,000 tons is scheduled to begin in 1997 in Port Jerome, France. The new facility will permit production of a wide range of clean carbon black products for wire and cable, UV protection, and synthetic fiber applications. The firm also announced a technology upgrade of two existing production units at its Franklin, La., plant. One of the units will produce cleaner products for wire and cable, UV protection, and synthetic fiber applications; the other will produce carbon blacks used in manufacturing high-gloss inks. Cabot Corp., Special Blacks Division, 157 Concord Rd., Billerica, MA 01821; (508) 663-3455; Fax (508) 670-7035.

Captan

The company reports that its Epolite light-activated dye catalysts (powdered dyes) are available to work in a range of visible and near-infrared light wavelengths and intensifies, according to each dye compound's response to the light used. These additives can be solubilized in a wide range of non-aqueous materials. Epolite dyes work by absorbing light and transferring that energy to the materials in which they are dispersed and/or dissolved. One example of their use is in curing photopolymer compositions when exposed to light at the wavelength of the optimum activation of the dye. Epolite dyes can be blended or milled, the manufacturer says, into most monomers, solvents, polymer precursors, and plastics. They work at low material concentrations and are not water-soluble. They are, however, reportedly stable at high temperatures, making it possible to process blends of engineering plastics that contain them. Further, they will not disappear during heat aging of the finished product. Captan Associates Inc., P.O. Box 504, Brick, NJ 08723-0504; (908) 840-1244; Fax (908) 840-1211.

Carolina Color

In January, the firm announced its completion of a new wet chemistry lab and the installation of a Perkin-Elmer Emission Spectrometer Plasma 400 with supporting lab equipment. The company will use the equipment to conduct in-house measurements of trace levels of heavy metals in packaging and packaging component colors. The spectrometer uses inductively coupled plasma and atomic emission spectroscopy for heavy metal analysis. The firm also announced that it had installed a Q-Panel Co. Q-U-V Accelerated Weathering tester to permit greater precision in addressing the colorant needs of its customers. Carolina Color Corp., P.O. Box 486, Salisbury, NC 28145; (704) 637-7000; Fax (704) 637-7286.

Chemax, Inc.

Chemstat LX-1000 is an internal antistat agent for use in polyurethane film applications. It is said to impart "outstanding" antistat protection at low use levels. Addition of 1.0 wt% of the antistat to polyurethane resin compound can achieve a surface resistivity of [10.sup.9] and static decay time of 0.04 sec, the manufacturer says. The manufacturer recommends use of 0.5 wt% to 2.0 wt% for polyurethane applications. The additive appears as a white waxy solid at 25 [degrees] C and has a specific gravity of 0.96. Chemax, Inc., P.O. Box 6067, Greenville, SC 29606; (800) 334-6234 or (864) 277-7000; Fax (864) 277-7807.

Chroma Corp.

The company publicized what it called a new line of nontoxic cadmium pigments, which, it says, produce bright, clean, opaque colors and are particularly useful in high-heat applications. The pigments contain an inert bound form of cadmium and less than one part per million of unbound soluble cadmium. They are reported to have favorable lightfastness and weather resistance. Because the pigments promote faster cycles, minimize warpage, and improve dimensional control, they are said to be well suited for the injection molding process. The manufacturer says that colorants containing cadmium pigments require less energy to manufacture and fabricate. Because they comply with U.S. Environmental Protection Agency (EPA) standards, the colorants can be disposed of as nonhazardous waste in landfills Chroma Corp., 3900 Dayton St., McHenry, IL 60050-8378; (815) 385-8100; Fax (815) 385-1518.

Ciba

Two of the firm's liquid antioxidants have become important in processing and long-term stabilization of polyurethane foam slab stock. The manufacturer says that this is partly because of processing changes resulting from the replacement of CFCs as blowing agents in the production of foam. The two antioxidants are said to have lower volatility than the standard BHT-based systems and are thus more appropriate for some newer foaming technologies

Irganox 1135 phenolic antioxidant and Irganox 5057 aminic antioxidant are both low viscosity liquids that exhibit favorable resistance to scorch, textile staining, and fogging. According to the manufacturer, laboratory tests demonstrate that the combination of the two products outperforms combinations of BHT and aminic antioxidants in the standard cotton textile discoloration test.

Last November, the firm introduced several new pigments for coatings. Irgazin Scarlet EK - a highly saturated, opaque, yellow shade scarlet - is said to provide favorable resistance to solvents, chemicals, and heat. It also exhibits favorable exterior durability. The pigment's high saturation makes it an excellent replacement for cadmium reds or molybdate orange in coating formulations, the manufacturer says. Irgazin Blue X 3367 is a transparent phthalocyanine blue with high fret strength and favorable flocculation resistance. Its transparency makes it especially suitable for metallic finishes. The pigment may be incorporated into solvent-borne or waterborne coatings systems, and is recommended by the manufacturer for use in industrial and trade sales finishes

Irgacolor Yellow 2GLMA, a bismuth vanadate pigment, can be used as a replacement for light chrome yellow in heavy metal-free coatings. It is said to be especially useful in masstone and can be used in applications in which opacity is important. The product has favorable durability and good heat and chemical resistance, the manufacturer says.

In April, the firm announced its release of Monastral Red RT 390 D and Monastral Rubine TR. The RT 390 D is a highly transparent, saturated solid solution of DPP and quinacridone pigments; it is said to have excellent durability. Rubine TR is a very deep and lightfast blue shade red. Ciba Pigments, 345 Water St., Newport, DE 19804-2434; (800) 474-4721.

In February, the firm introduced its FS Systems processing stabilizers for color-critical polyolefin applications. The products are said to offer a combination of processing stability, gas fade resistance, favorable initial color, and long term thermal and UV light stability. The first products of the series are based on a hydroxylamine chemical compound developed by the firm. The hydroxylamine is a high molecular weight compound that exhibits outstanding compatibility with polypropylene, according to the manufacturer. It can function through several different stabilization mechanisms to provide both processing and long-term thermal aging stability. It also appears to improve activity of the hindered amine stabilizer as both a thermal and light stabilizer.

Last November, Ciba Pigments began construction of a new plant that would increase the capacity of its Newport, Del., facility. Scheduled for completion in early 1997, the new plant will be used for manufacture of diketo pyrrolo pyrrole (DPP) pigments. The firm also reported that a related $100 million project to modernize the facility's quinacridone pigment manufacturing capacity was in the engineering phase.

In July, Ciba Additives opened its new $50 million Martin Dexter Laboratory in Tarrytown, N.Y. The 160,000 [ft.sup.2] building, which replaces former laboratories in Ardsley, N.Y., accommodates scientists and technicians working in research, analytical services, and technological development in polymer additives; additives for lubricants; and additives for coatings, radiation curing, and photography. The company says that this is the first time it has designed laboratories specifically for additives research and technical development. Ciba Additives, Ciba-Geigy Corp., 540 White Plains Rd., P.O. Box 2005, Tarrytown, NY 10591-9005; (914) 785-2000.

Clariant Corp.

The Sandoz Chemicals Chemical Division has "demerged" from the Sandoz Corp., and the demerged company is called the Clariant Corp., which now has a Plastics and Coating Lab in Charlotte, N.C., with capabilities for technical support for additives and colorants.

Clariant has introduced what it calls a technological breakthrough in light stabilization for plastics and coatings. The additive, designated as Sanduvor PR-31, is a photoreactive HALS described as a low molecular weight, low dusting, white, free flowing powder with low basicity and volatility characteristics comparable to those of oligomer and high molecular weight HALS on the market today.

When melt compounded and fabricated into either thin- or thick-section plastics and exposed to UV radiation, the product immediately acts to provide UV protection via absorption of harmful and destructive radiation and by radical scavenging like a classical HALS. While protecting the plastic or coating, the additive photografts selectively in the uppermost layers of the fabricated part, ensuring high permanence, no extractability, and no blooming, the manufacturer says. Once fully grafted or photofixed into the uppermost layers of the plastic, unreacted additive in deeper sections of the plastic acts as a reservoir to replenish the top layers during long-term exposure. Extractability is a significant limitation of most additives as regards long-term durability, but photografting of PR-31 ensures that there will be no extractability.

According to Joe Webster, Clariant's plastics and coatings manager for the U.S. and NAFTA region, Sanduvor PR-31 is "an exciting new breakthrough" and a "one stop shop HALS" for both plastics and coatings. It has been approved in all polyolefins; other resins include thermoplastic polyesters, styrenic resins, PVC, and polyamides. It is applicable in both thin-section and thick-section comings and plastics and is "significantly synergistic" with both oligomeric and HMW HALS and all classes of UV absorber.

Webster says that while the additive is not necessarily a direct replacement for other HALS on the market, its unique properties serve as an adjunct to or substitute for conventional system approaches used today. Combinations of PR-31 with oligomeric HALS, he says, are more powerful than blends of monomeric and oligomeric HALS being promoted today, and addition of very low levels of UV absorber to this combination "significantly extends the performance beyond anything seen today." Further, use of PR-31 in pigmented plastics is said to considerably reduce pigment agglomeration compared with oligomeric HALS.

Coming next year, according to Webster, is Sanduvor PR-47, an acetylated version of PR-31 that is especially suited for acid-cured coating systems and basic HALS-sensitive plastics Additionally, Sanduvor PR-25, a non-staining, non-hydroxy substituted UV absorber, will be offered for both coatings and plastics requiring high UV protection without yellowing. Targeted plastics include acrylics, styrenics, vinyl, and select coating systems

Clariant also reports a new stabilizer technology especially developed for nylon 6 and 6/6, said to be the first development made specifically for nylon resins in three decades. Called Nylostab SEED, this aromatic hindered amine promises to provide differential dyeability, heat stability and long-term thermo-oxidative stability, processing stability, and whitening of nylon beyond 320 [degrees] C. In addition to significant whitening and physical property improvement, the product enhances UV stabilization in both pigmented and nonpigmented nylon resin. In the form of a white, free flowing powder, the product reportedly totally eliminates the need for premetallized dyes and the use of copper halides in the colorization and stabilization of nylon. It is targeted for nylon fiber and thick-section injection molded and glass filled nylon. Clariant Corp., 4000 Monroe Rd., Charlotte, NC 28205; (704) 331-7034; Fax (704) 377-1064; e-mail: Joe.Webster@Clariant.com

Cleveland Pigment & Color

Earlier this year, Cleveland Pigment and Color Co. announced that it will be the distributor of Color-Chem International's Amaplast dyes, which include Orange GXP, Orange LFP, Red DJ, Red RP, Yellow Y, and Yellow GHS. The dyes are said to provide high levels of heat stability, lightfastness, and color clarity. They are compatible with nylon, ABS, and high-temperature engineering resins and alloys, according to the company. Cleveland Pigment will sell the dyes through its offices in Akron - where they will be warehoused - and Chicago. The firm also markets fluorescent and ultramarine pigments, natural and synthetic iron oxides, fillers, and pigment blends for the plastics, rubber, ink, and coatings markets. Cleveland Pigment & Color Co., 1680 East Market St., Akron, OH 44305-4246; (800) 688-3884.

Color-Chem

The firm recently commercialized a line of weatherable solvent dyes for use in engineering polymers. The dyes are said to be especially suitable for all grades of polyester and polyamide and are being marketed as Amaplast Orange YXL, Orange GXP, Red DJ, Violet PK, and Blue HB. Superior heat and light stability and excellent resistance to migration are among the performance advantages that the dyes have over other solvent dyes and organic pigments, according to the manufacturer. The dyes are also said to provide weathering stability similar to that provided by cadmium pigment formulations Color-Chem International Corp., 8601 Dunwoody Place, Bldg. 334, Atlanta, GA 30350; (770) 993-5500; Fax (770) 993-4780.

Color Technology

In August, the company announced that it had acquired the West Coast business operation and assets of Imperial Color Corp., Elizabeth, New Jersey. Company representatives said that the acquisition would enable the company to expand its business in key regional markets of the Southwestern U.S., including electronics, consumer goods, and medical devices. To accommodate the increased business, Color Technology recently completed construction of a 20,000-[ft.sup.2] manufacturing facility in Chula Vista, Calif., which will be the site of the new Color Technology West division. Manufacturing capacity at the new facility, which uses new single-screw and twin-screw extruders, high-intensity mixers, a state-of-the-art color matching laboratory, and testing and analytical equipment, will reportedly exceed 4 million lbs.

In June, the firm announced that it had received ISO 9002:1994 certification of its Westboro, Mass., manufacturing facility. TuV America, certification agency of TuV Bayern, e.V., Bonn, Germany, performed the measurement and audit. Color Technology's certification process was managed by Fred Jhaveri, the company's director of technology, with assistance by Group 9000, Danvers, Mass. The company said that it would also apply for ISO certification of its new manufacturing plant in Chula Vista.

Also in August, the firm announced the availability of a new line of stock color concentrates specifically engineered for a wide variety of resins, including polystyrene, EVA, polyethylene, polycarbonate, polypropylene, and polyester. Called Techmates, the new stock line is currently offered in a range of blacks; the company says that a line of TechMates whites will be the next available group. Color Technology Inc., 125 Flanders Rd., Westboro, MA 01581; (508) 366-9611.

Columbian Chemicals

Late last fall, the company announced plans to increase its worldwide carbon black capacity by nearly 25% over three years. Additional capacity is needed to help meet the production demands of several multi-year contracts that the company has entered into with major customers. Expansion and debottlenecking of facilities in North America, Europe, and Asia are expected to increase the company's global production capacity by 180,000 metric tons annually. Expansion and debottlenecking projects that will be undertaken at the firm's plants in Arkansas, Kansas, Louisiana, and Ontario (Canada), are expected to increase the firm's North American capacity by approximately 100,000 metric tons annually. Similar projects at company plants in England, Spain, Germany, Hungary, and the Philippines should add another 80,000 metric tons to the firm's annual capacity.

Expansion of the firm's carbon black manufacturing facilities in North Bend, Louisiana, and Sevalco, United Kingdom, is a $60 million project. The North Bend expansion includes the addition of a state-of-the-art tread line and is scheduled for completion in mid-1997. It is expected to increase production capacity by 37,000 metric tons annually. At the U.K. facility, installation of a new production line for the firm's Ultra carbon blacks promises to increase production capacity by 37,000 metric tons annually. The Ultra industrial carbon blacks are used in the manufacture of plastics master-batch, wire and cable, ink, and mechanical rubber goods. Columbian Chemicals Co., 1600 Parkwood Circle, Suite 400, Atlanta, GA 30339; (770) 951-5790.

Compro Industries

The company has introduced a line of moisture-controlled color concentrates for use in two-part urethane systems Available as polypropylene glycol polyol dispersions, the concentrates are said to be free of the viscosity stability problems normally associated with use of color concentrates in two-part urethane systems. The manufacturer says that the concentrates offer urethane compounders a highly efficient, low-cost alternative to expensive organic dyes. Compro Industries, Inc., 3700 Wendell Dr. S.W., Suite 24, Atlanta, GA 30336; (404) 691-1899.

Daniel Products

Last fall, the company announced the availability of its Dapro Defoamer and Interfacial Tension Modifier Kit. The kit comprises fifteen defoamers and three interfacial tension modifiers for waterborne and solvent-borne coatings used in industrial and architectural applications It also contains material safety data sheets and a chart of laminated properties and recommended uses Samples are packaged in plastic bottles with single-drop dispenser caps. The defoamers and modifiers also have use in overprint varnishes and flexographic and gravure inks, the manufacturer says.

Slip-Ayd SL 555 is a micronized, powdered carnauba wax blend recently introduced for use in coatings, ink, and associated markets SL 555 is said to provide excellent resistance to blocking, abrasion, marring, and scuffing, and has received FDA clearance under CFR Title 21 175.300.

The company also announced the addition of four low-VOC aqueous dispersions to its line of CW aqueous colorants. The products - Tint-Ayd CW 5435 Yellow 2GLTN, Tint-Ayd CW 5622 Lightfast Orange, Tint-Ayd CW 5643 Quinacridone Magenta, and CW 5685 Perrindo Maroon - are said to be suitable for use as in-plant tinting and volumetrically dispensed colorants. The colorants are based upon high performance pigments with excellent light-fastness and resistance properties, according to the manufacturer, who recommends their use in a wide range of conventional and low-VOC, waterborne coatings.

The company has added a masstone black and a high jet masstone black to its Tint-Ayd NV colorant line. Both products are solvent-free and suitable for tinting water-borne coatings with either very low or no VOCs. According to the manufacturer, their dispersing resin system provides stable, free flowing, highly loaded pigment dispersions. Along with the colorants, the company has made available a 12-page catalog that offers detailed information on its Tint-Ayd pigment dispersions.

In April, Daniel Products introduced Disperse-Ayd W-30, a multifunctional pigment dispersant for aqueous systems. Free of alkylphenolethoxylates (APEs) and low in VOC, the product is said to provide high-efficiency dispersion "of all pigment types." It does not promote foam or lower gloss, nor does it affect dry time, resistance properties, or film hardness, the manufacturer says.

On January 31 of this year, Daniel Products Co., Inc., was acquired by Harrisons & Crosfield plc (H&C), a worldwide supplier of pigments and dryers to the coatings and plastics industries. A $3 billion enterprise, H&C also has businesses in the building products, food, and agricultural industries. Daniel Products Co., Inc., 400 Claremont Ave., Jersey City, NJ 07304; (201) 432-0800; Fax (201) 432-0266.

Dominion Colour Corp.

Last November, the company received ISO 9001 registration for "design and manufacture of colored pigments" at its New Toronto, Ajax, and Pickering facilities, all in the Metropolitan Toronto area. The company produces organic (azo) and inorganic (lead chromate) pigments. Dominion Colour Corp, 1800 Ironstone Manor, Unit 2, Pickering, Ontario, Canada L1W 3J9; (905) 837-4000; Fax (905) 837-2859.

Dover Chemical Corp.

The company, a subsidiary of ICC Industries Inc., has developed what it calls a new process for manufacturing high-quality chlorinated paraffins. The firm has also expanded its manufacturing capacity with two new plants in Dover, Ohio. The new facilities will produce Chlorez resinous chlorinated paraffins, which provide flame retardancy for SBR and other polymer systems Production technology used by the firm is said to ensure that Chlorez products meet the requirements of the Montreal Protocol regarding non-ozone-depleting chemicals. Dover Chemical Corp., Subsidiary of ICC Industries Inc., 3676 Davis Rd. N.W., P.O. Box 40, Dover, OH 44622; (216) 343-7711; (800) 321-8805; Fax (216) 364-1579.

Dow Chemical

The company has made available a technical paper that discusses the use of magnesium hydroxide as an acid neutralizer for acid waste streams. According to the company, magnesium hydroxide is unlike conventional alkalis, such as hydrated lime, caustic soda, and soda ash. It is a virtually noncorrosive base that is safe and easy to handle. Because magnesium hydroxide automatically buffers at a pH of 9.0, downstream biological systems or aquatic life are not jeopardized by over-neutralization. If heavy metals are present in the waste stream, neutralization by magnesium hydroxide produces a low-volume, dense particulate sludge that is easily dewatered, the manufacturer says.

The technical paper explains the chemistry of magnesium hydroxide neutralization and compares the methodologies, results, and costs of add neutralization by caustic soda, soda ash, and lime. Photo-micrographs are used to illustrate the differences in sludge formation in acid waste streams, containing heavy metals, that were neutralized by magnesium hydroxide, lime, and caustic soda. The paper also includes guidelines for integrating magnesium hydroxide into acid waste neutralization systems under such conditions as the following: when metals are present, when supplemental alkalinity is needed for biological processes, when effluent can be land applied, when acidic gas and slag buildup from incinerators must be minimized, and when scrubbing acidic gases. The paper also presents information on use of magnesium hydroxide as a supplement to another primary neutralization agent. The Dow Chemical Co., Magnesium Hydroxide Technical Grade Products, P.O. Box 1206, Midland, M148641-1206; (800) 447-4369.

Dow Corning

The company has introduced a brochure, Dow Corning and Solid Silicone Additive Innovations for the Plastics Industry, that discusses the processing improvements and enhanced surface characteristics to be achieved with use of its MB-Series Silicone Masterbatches. The brochure also describes the use of SiPowder resin modifiers as flame retardant synergists to reduce the rate of heat release and smoke generation. Improved processing and restoration of mechanical properties, such as impact strength, can be achieved in highly filled flame retardant systems, the manufacturer says.

The MB-Series silicone masterbatches are pelletized micro-dispersions of an "ultra-high-molecular-weight silicone polymer" in various thermoplastic carrier resins at loadings of up to 50%. Low concentrations (0.2% to 1% silicone) of a masterbatch are said to increase compounding efficiency, improve flow and mold filling, reduce cycle times, lower extruder torque, and facilitate easier release. Higher concentrations of 1% to 5% silicone are said to significantly improve surface properties by providing favorable lubricity, gloss and slip, and abrasion resistance. The masterbatch also can reduce the coefficient of friction without affecting post-finishing operations, the manufacturer says.

SiPowder resin modifiers are 100% active, free flowing silicone powders, available in both nonreactive and organically reactive grades. Levels of 0.1% to 1% are said to reduce extruder torque and power consumption and improve surface gloss. Levels of 1% to 5% are reported to modify thermoplastic bum characteristics, thus reducing rates of heat release and smoke and carbon monoxide evolution in halogen-free, halogenated, and phosphorus FR systems Dow Corning Corp., Midland, MI 48686-0994; (517) 496-5308.

DuPont

Additions to the firm's line of tougheners for engineering plastics include Fusabond N functionalized polyolefins, Surlyn ionomer resins, and Elvaloy resin modifiers. Fusabond N is an anhydride grafted ethylene propylene rubber (EPR) that can be used to create intermediate and "supertough" nylon 6/6. Compounding is typically performed on twin-screw equipment, according to the manufacturer. Surlyn 9320 terpolymer ionomer resin can be used to make supertough nylon 6/6 resins, and Surlyn 9020, for supertough nylon 6 resins. The Elvaloy 4051 resin modifier is said to improve gloss, mold flow, and chemical resistance versus traditional toughening methods. DuPont Packaging and Industrial Polymers, Wilmington, DE 19898; (302) 774-1964; Fax (302) 773-2291.

Late last year, the firm began construction of a new hydrofluorocarbon (HFC)-152a manufacturing facility at its site in Corpus Christi, Texas HFC-152a is used in polystyrene packaging and is marketed as Formacel Z-2 for the blowing agents market. It is a "zero ozone-depleting," nonvolatile organic compound that has the "lowest global warming potential of any HFC blowing agent," the manufacturer says The product's environmental and performance benefits have led the company to consider using Formacel Z-2 in other applications, such as building insulation. DuPont, Wilmington, DE 19898.

ECC International

On Nov. 21, 1995, ECC International (ECCI) completed its acquisition of the business assets and mineral reserves of Genstar, Inc.'s, Calcium Carbonate Products Division, located in Texas, Md. The firm says that the acquisition has increased its production capacity by approximately 25%, and has made ECCI the largest supplier of ground calcium carbonate in North America. ECC International Inc., 5775 Peachtree-Dunwoody Rd. N.E., Suite 200G, Atlanta, GA 30342; (404) 843-1551; Fax (404) 303-4384.

Elf Atochem

Elf Atochem reports the introduction of Thermocel 4001 foam package for rigid PVC foam applications. The company also notes that its plants in Carrollton, Ky., and Blooming Prairie, Minn., have received ISO 9001 certifications. Elf Atochem, 2000 Market St., Philadelphia, PA 19103; (215) 419-7000.

Elkem

In January, the company announced its introduction of a specially processed amorphous silica for use as a high performance impact modifier in conventional and foam core PVC pipe. The silica has an average particle size of 0.1 to 0.5 micron, and can also be used as a semireinforcing filler in rubber. It is available in two grades - gray EMS-210 and white EMS-211. As an impact modifier for PVC, it is said to improve impact resistance, increase stiffness, and promote the flow of dry material. In rubber applications, the amorphous silica acts as a semireinforcer that offers higher tear resistance, low compression set, and favorable gas resistance. Elkem Materials Inc., P.O. Box 266, Pittsburgh, PA 15230; (412) 7493985; Fax (412) 749-3943.

Emerson & Cuming

Introduced earlier this year, the Eccosphere SI Series is a family of high performance, hollow glass microspheres. When added to resin systems, they are said to lower density, reduce dissipation factor, and provide thermal and acoustic insulation. The microspheres were developed to provide increased compressive strengths and improved dielectric properties versus other microspheres. Available in various densities and strengths, the low-alkali microspheres incorporate nitrogen as the primary internal gas, thus negating the risk of contamination, the manufacturer says. The manufacturer recommends their use in such aerospace applications as coatings, foams, composites, and adhesives, and for multilayer and flex circuit laminates, low-loss cables, and other electronic materials. They can also be used in medical prosthetics and automotive plastics. Emerson & Cuming Composite Materials, Inc., 59 Walpole St., Canton, MA 02021-1838; (617) 821-4250; Fax (617) 821-0737.

EM Industries

In August, EM Industries brought out its "new, gigantic, particle sized" pearlescent pigment, Afflair 183 Supernova White, which the company says exhibits a uniquely large, silver sparkle effect. Particle sizes range up to 500 microns. Products containing this pigment are said to convey an image of exploding, star-like brilliance, a "dazzling 3-D effect (that) is like a star-filled sky at night." Afflair 183 Supernova White is reportedly suitable for all plastic applications. EM Industries, Inc., 7 Skyline Dr., Hawthorne, NY 10532; (914) 592-4660; Fax (914) 502-9469.

Endex

The company supplies endothermic chemical foaming agents such as ABC 50 and NBC 50 (which are also processing aids) and ENX 55, and an acid scavenger and catalyst residue neutralizer called JIC 50. Endex Polymer Additives Inc., 2198 Ogden Ave., Suite 131, Aurora, IL 60504; (800) ENDEX 50; Fax (708) 978-1420. Also: 212 Lake Driveway West, Ajax, Ontario L1S 5A1 Canada; (905) 686-4335; Fax (905) 686-6691.

Engelhard

Meteor Plus 9384, introduced late last year, is a complex inorganic color pigment (CICP) suitable for use in PVC, nylon, and other engineering thermoplastics. According to the manufacturer, the red buff pigment is the reddest known product of its kind and has 70% to 80% greater color strength than the closest CICP with a red value. The product is also said to have as much as 25% more infrared (IR) reflectance in coil-coated panels than coatings using iron oxide pigments that produce similar shades. Its higher IR reflectance may mean that it could help reduce temperatures in buildings with vinyl siding and coil-coated roofing during summer months, the manufacturer says. Meteor Plus 9384 is said to have excellent lightfastness and thermal stability above 800 [degrees] F. It also is high in opacity, has favorable weatherability and bleedfastness, and resists the effects of acids, bases, solvents, and other aggressive chemicals.

The company reports that new manufacturing technology has permitted it to improve the color strength of two existing CICPs - Meteor Plus 9840 black CICP and Meteor Plus 9745 brown CICP. After the improvements, Meteor 9840 black is said to be 10% to 20% stronger than any known black CICP available, and color strength of Meteor Plus 9745 brown CICP has increased by 20%. Meteor 9840 is suitable for plastics applications in which carbon black may present a problem. It is said to offer high IR reflectance and a large reduction in heat absorbed versus carbon black.

In May, the company announced that it had completed its acquisition of Mearl Corp. (Briarcliff Manor, N.Y.), a manufacturer of pearlescent pigments and iridiscent film, for $272.7 million. Mearl's pearlescent pigments are used in applications such as automotive paint finishes, plastic packaging, coatings, and printing inks. Mearl products will retain the Mearl name.

Naphthol Red Pigment 3172, introduced in July, is said to offer significantly improved opacity, viscosity, and gloss characteristics versus typical red 170s. Developed for industrial OEM and maintenance coatings, Naphthol red 3172 has also shown "superior" heat stability in plastics, the manufacturer says. The product is reported to provide less than half the color shift of competitive red 170 pigments at 450 [degrees] F to 550 [degrees] F. It offers improved initial gloss and "2% to 5% greater" gloss retention than other available 170 pigments.

And last month, Engelhard announced that it has introduced a high strength, red-shade azo yellow pigment with high color value that also has a level of heatfastness typically seen only in inorganic pigments. Designated product 1296, the new red-shade yellow is approximately 50% stronger than the next strongest pigment of its kind and is stable to 600 [degrees] F.

Other developments within the firm's Pigments and Additives Group include an expansion and ISO certification of the Louisville, Ky., plant for organic pigments, and construction of a "state-of-the-art" calciner as part of a $40 million expansion of the Middle Georgia kaolin facility. In March, Engelhard dedicated its new Translink facility in Gordon, Ga. The upgrade provides 70% greater capacity for production of the firm's Translink surface-modified aluminum silicates. It also features separate production lines for different Translink product grades used in rubber and plastics applications. Engelhard Corp., 101 Wood Ave., Iselin, NJ 08830; (908) 205-6154.

Environmental Products

EPIcor 882 is a 55% active, endothermic chemical foaming agent concentrate designed specifically for foamed polyolefin applications. The product can be used in structural foam molding, injection molding, nucleation of direct-gassed foams, and sheet and profile extrusion processes. It is said to provide very fine cell structure, superior surface characteristics, and a higher decomposition temperature to prevent gas loss. EPIcor 882 also has a high gas yield (greater than 100 cc/g), resulting in "one of the most economical products on the market today," the manufacturer says. Use levels recommended by the manufacturer are 1.0% to 2.0% for structural foam molding, and 0.5% to 2.0% for extrusion applications. Environmental Products Inc., 103 Longview Dr., Conroe, TX 77301;(409) 788-2998; Fax (409) 788-2968.

Epolin

The company has released a brochure that details its line of Epolite near infrared absorbing dyes. The dyes are used as photoresists in the laser imaging of polymeric materials, including printing plates. They are also used in laser and welding protective polycarbonate eyewear and heat absorbing glazing. According to the manufacturer, the dyes "are of high optical quality with good solubility in a broad range of solvents and polymers." They are available in free flowing powders, polymer pellets or concentrates, and acrylic or epoxy coatings. Epolin, Inc., 358-364 Adams St., Newark, NJ 07105; (201) 465-9495; Fax (201) 465-5353.

Ferro

Last fall, the firm's Bedford Chemical Division introduced new products to its EZn-CHEK Free of lead-free heat stabilizers for PVC wire and cable. The stabilizers are said to have "excellent early color" and to provide improvement of up to 25% in dynamic heat stability over previous lead replacement stabilizers. They include EZn-Chek 772, for general-purpose jacketing and dry insulation applications ranging from 60 [degrees] C to 75 [degrees] C; EZn-Chek 777, for wet and dry insulation, 60 [degrees] C to 75 [degrees] C, and dry insulation, 90 [degrees] C to 105 [degrees] C; EZn-Chek 780, used in dry insulation, 90 [degrees] C to 105 [degrees] C; and EZn-Chek 785, for plenum cabling.

The firm also added four products to its line of Therm-Chek Heat Stabilizers for flexible and semirigid PVC. Therm-Chek 6260 and Therm-Chek 6264 are general-purpose heat stabilizers developed to replace cadmium in extrusion, calendering, and injection molding applications. Both stabilizers are said to excel in high-temperature processing applications; they are typically used for footwear, cove base, and cable jacketing. Therm-Chek 6260 has good long-term dynamic stability and "excellent" early color,whereas Therm-Chek 6264 is said to excel in long-term dynamic stability and maintain "good" early color. Liquid barium-zinc Therm-Chek 152 and Therm-Chek 154 are also general-purpose heat stabilizers. Both are said to function best in extrusion and injection molded application, Therm-Chek 152 is designed for clear PVC applications that require excellent clarity and long-term stability, the manufacturer says. The stabilizer is said to maintain favorable resistance to degradation under high-temperature and high-shear processing conditions. Therm-Chek 154 heat stabilizer can be used in clear formulations and opaque applications. It is formulated, the manufacturer says, to perform in PVC systems that require excellent tint hold, clarity, early color retention, and long-term dynamic stability. The product is typically used in films for tapes, wire jacketing, and wallpaper.

The Liquid Coatings and Dispersions Division has developed a nonhazardous, semiconductive, polyester carbon black dispersion that is reported to gradually dissipate static charge without creating a spark. Named product number 16-88340, the carbon black dispersion is a soft, thick paste that can be used in bulk molding compounds (BMC) and sheet molding compounds (SMC). The manufacturer says that the volume resistivity of polyester panels that contain one phr of carbon is 5.5 x [10.sup.4] ohms/[cm.sup.2].

In April, the firm announced that it would be expanding operations at its Edison and South Plainfield, N.J., facilities during the second quarter of 1996. The expansion of the Edison facility increases the firm's capacity for producing liquid colorants and paste dispersion. The South Plainfield facility will have added capacity to produce color concentrates. The company reports that its Edison facility will gradually take on production of the liquid color and silicone, polyester, and epoxy paste dispersions that have been manufactured at the South Plainfield plant.

In May, Ferro Corp. announced that it had purchased the Oil Additives Business of Witco Corp., which was formerly part of Witco's Pearsall Division. Made at Witco's facility in Brainards, N.J., the Oil Additives products include, among others, brominated/chlorinated parafins used as flame retardants. Ferro Chemicals Group, Ferro Corp., 1000 Lakeside Ave., Cleveland, OH 44114; (216) 641-8580.

George C. Hawley

The firm has formed a new division to market specialty fillers and reinforcements, such as mica, wollastonite, silicate fibers, flame retardants, and high thermal conductivity fillers. The products are made available by the firm with and without surface treatments with silanes, titanates, zirconates, maleated polyolefins, and proprietary surface treatments, the company reports. The specialty fillers are said to improve such properties as strength, stiffness, warp resistance, sink marks, surface texture, and smoke evolution. Targeted applications include recycled plastics, for end uses such as pallets, tote boxes, and plastic lumber. George C. Hawley & Associates, Supermin Div., P.O. Box 7, Saranac, NY 12981; (518) 293-7021; Fax (518) 293-7021 or (518) 562-7263.

George Mann

See Mann Formulated Products, Inc.

GE Specialty Chemicals

Earlier this year, the company began a major $45 million expansion at its Morgantown, W. Va., manufacturing site. The expansion project includes the addition of a $3 million, 14,000-[ft.sup.2] Technical Center, which will be the site of the companys molecular synthesis, process and product development, and quality control operations. By "co-locating" these operations, the company reports, it will improve communications and increase the efficiency of new product introductions. Quality control is also expected to benefit by the implementation of a 6-Sigma design throughout the product development and commercialization cycle.

Ultranox 641 is a solid phosphite antioxidant that is said to provide high stabilization activity and favorable hydrocarbon solubility, hydrolyric stability, and handling characteristics. Based on a butyl ethyl propane diol chemistry rather than the pentaery-thritol chemistry traditionally used in the firm's product line, Ultranox 641 is a low-dusting free flowing, white pastille product. It is said to contain no more than 0.25 wt% of hexamethylenediamine, and has a molecular weight of 450. The additive offers favorable gas fading performance in many applications, and favorable molecular weight and color protection during compounding, fabrication, and end use, the manufacturer says. Its applications include polyolefins, styrenics, PVC, engineering thermoplastics, elastomers, and adhesives. GE Specialty Chemicals, Inc., P.O. Box 1868, 501 Avery St., Parkersburg, WV 26102-1868; (800) 8720022; Fax (304) 424-5871. Detailed product information can also be found on the Internet at www.ge.com.specialtychemicals

Great Lakes Chemical

Last December, the company announced plans to expand its capacity for producing PHT4 (tetrabromophthalic anhydride) at its El Dorado, Ark., facility. Scheduled for completion in the third quarter of 1996, the expansion is expected to double existing capacity at the facility. It was undertaken in response to increasing growth in world demand for PHT4, a reactive flame retardant for unsaturated polyester resins and a key raw material for PHT4-Diol and DP-45.

In February, the company announced that its new U.S.-based manufacturing center for polymer stabilizers, located in Newport, Tenn., would begin production of high-performance antioxidants in mid-1996. In addition to a range of products currently available from Europe, the manufacturer will produce standard and custom blending and multiple packaging options at the new site. The company also announced in April its successful start-up - with Bromine Compounds Ltd. - of a new tetrabromobisphenol-A (TBBA) production facility in Israel. Both companies have 50% ownership of the manufacturing joint venture, named Tetrabrom Technologies Ltd., which is dedicated solely to the production of TBBA. According to the manufacturer, the production facility has a capacity of 25,000 metric tons, or "nearly 20% of the world's capacity." Great Lakes Chemical Corp,, P.O. Box 2200; West Lafayette, IN 47906; (317) 497-6100.

Halstab

This past summer, Halstab announced its development of a series of lead replacement stabilizers that, like lead, are said to possess high cost effectiveness and long, gradual failure characteristics. The Halstab X-1128 and Halstab X-1130 powders are said to be considerably more lubricating than lead stabilizers, and, as such, reduce or eliminate the need for stearic acid or calcium stearate, the manufacturer says. They are also said to reduce or eliminate the need for epoxy costabilizers X-1128 is a barium/zinc-based stabilizer; X-1130 is based on calcium/zinc. Neither product contains titanium or other pigments because, the manufacturer says, the balancing of pigmentation versus abrasive wear is an issue that is best decided by the user.

In June, Halstab acquired certain assets from Anzon Lead, which ceased operations at its Philadelphia production facility that month. Equipment, inventory that met certain specifications, and intellectual property are among the assets acquired by Halstab. By acquiring the intellectual property assets (which include trade names, trademarks, patents, and technology records and data), Halstab became the "technological successor" of Anzon Lead. Halstab Division, Hammond Group Inc., 3100 Michigan St., Hammond, IN 46323; (219) 844-3980; Fax (219) 844-7287.

Harwick Chemical

In June, the firm announced that it had purchased the Merrand plasticizer business from the D.H. Litter Co. of Elmsford, N.Y. Harwick's purchase involves the acquisition of the Merrol trademark, business information, and other property, according to the manufacturer. Harwick and D.H. Litter have agreed that D.H. Litter will continue as a distributor of the Merrol line in the northeastern U.S. Harwick Chemical Corp., 60 S. Seiberling St., Akron, Ohio 44305; (330) 798-9300.

Heubach Group

In May, the firm announced that it had completed a two-year restructuring program involving its three strategic units: pigment colors, metal chemicals, and nonferrous metals. The firm reports that its rapid growth necessitated restructuring and decentralization to permit "a more dedicated allocation of research and marketing services to their highly specialized markets." Activities of the colored pigments unit were combined under the logo of Heubach and constitute the core business of the group, the firm reports. The unit produces various organic and inorganic pigment colors and preparations in Europe, North America, Latin America, and Asia. European activities are headquartered in Goslar, Germany; those for North America, in Fairless Hills, Pennsylvania; for Latin America, in Sao Paulo, Brazil; for India, in Bombay; and for Asia-Pacific, in Hong Kong.

The company has supported the restructuring of pigment activities with an ambitious investment program. It commissioned a new factory (1000-ton capacity) for production of phthalocyanine green in Ankleshwar, India, in the autumn of 1995. In addition, a 2000-ton-capacity pigment paste facility began operations in Europe in January, to meet rapidly growing demand for water-based pigment preparations in Europe. Total added capacity resulting from the restructuring is more than 25,000 tons, according to the company, which plans to add another 15,000 tons capacity between 1996 and 1999. Heubach, Heucotech Ltd., 99 Newbold Rd., Fairless Hills, PA 19030; (215) 736-0712; (215) 736-2249.

Hitox

The company reports that new applications for its Hitox titanium dioxide pigment include blown film, PVC siding, and other polyolefin uses. Hitox is a buff-colored pigment that is available in different grades for specific applications. According to the manufacturer, it can be used as a replacement for some of the titanium dioxide pigments and costly organic color pigments currently available. Hitox Corp., P.O. Box 2544, Corpus Christi, TX 78403; (512) 883-5591; Fax (512) 883-7619.

Hoechst Celanese

In May, the company reported that its startup of the new production plant for Hostavin N 30 in Gersthofen, Germany, permitted it to discontinue previous allocations for the material, which would become available on an as needed basis. Hostavin N 30 is a hindered amine light stabilizer (HALS) that reduces chemical interaction because of its low alkalinity. The manufacturer says that it provides improved color stability, does not cause yellowing, has less pigment interaction, and provides for higher process stability in PP-fiber spinning. Because of its strong resistance to chemical attack, the product is favored as a UV stabilizer for agricultural and greenhouse films Applications include stadium seats and lane dividers for swimming pools.

The firm has also begun marketing several antistats that meet low humidity static decay requirements for polyolefins. Hostastat 154 is a lauryl amide, and Hostastat 965, a sodium cocoyl isethionate that is free of amines and amides. The firm also markets Hostastat HS 1, a sodium alkyl sulfonate that is said to provide effective dissipation of static charges in ABS, PC, and nylon.

Other additives recently released are the Hostanox 03 antioxidant, reported to show reduced yellowing over other phenolic-based antioxidants, and Hostaflam AP 750, a nonhalogen intumescent flame retardant. Unlike conventional flame retardant systems, Hostaflam AP 750 can be used in combination with UV stabilizers, the manufacturer says. Hoechst Celanese Polymer Additives, 5200-77 Center Drive, P.O. Box 1026; Charlotte, NC 28201-1026; (704) 5596038; Fax (704) 559-6780.

Hoffman-La Roche

The company introduced its solid-form vitamin E antioxidant, Ronotec Dry 17, at ANTEC '96. Besides being easy to handle, the low-dusting antioxidant is said to disperse easily and have favorable flow characteristics. The company uses a proprietary technology to load liquid vitamin E at high concentrations onto a polyolefin carrier. Unlike many other concentrates or masterbatches, the product remains stable and free flowing for months, the manufacturer says Ronotec Dry 17 is reported to have the same processing and cost advantages of the liquid vitamin E, including superior processing and color stability; fewer gels in film extrusion; and reduced taste and odor in packaging for food and beverages. When used in combination with a phosphite, Ronotec Dry 17 is said to deliver better performance and economics than a typical phenolic/phosphite combination. This is possible, the manufacturer says, because the color stability made possible by vitamin E permits use of just half as much of the secondary antioxidant, the phosphite. The manufacturer also reports that recent tests have shown that the solid vitamin E antioxidant delivers improved color and melt-flow stability in polypropylene. Future additions to the Ronotec Dry product line may include "vitamin E plus phosphite" formulations. Such possible formulations would be proprietary solid blends of vitamin E with either of the two most prevalent solid phosphites (GE's Ultranox 626 or Ciba's Irgafos 168), the manufacturer says. Hoffman-LaRoche, Inc., Roche Vitamins and Fine Chemicals, 45 Eisenhower Dr., Paramus, NJ 07652; (201) 909-8205.

Huls America

In February, the firm received ISO 9002 certification for the quality systems of its colorants manufacturing facilities in Brampton, Ontario, Canada, and Piscataway, New Jersey. Colorants manufactured at these sites include the Colortrend, Chroma-Chem, Covon, and Aquatrend products. The firm's Biocides and Additives plant in Leaside, Ontario, Canada, has also received ISO 9002 certification, and its Colorants plant in Lockland, Ohio, is currently working toward same. The quality systems at the firm's Pleasanton, Calif., colorants plant and its entire Mobile; Ala., chemicals manufacturing complex have already received ISO 9002 certification.

In June, the company announced that it had published a brochure that provides an overview of the production capabilities and support services of its Silanes and Silicones business group. The Hills Silane product line includes Dynasylan and Hydrosil coupling agents and adhesion promoters, Chem-Trete waterproofing agents, and organosilane synthetic reagents. Silicones manufactured by the company include vinyl-terminated fluids used in the production of elastomers, hydride-containing silicones for two-part room temperature vulcanization formulations, a series of platinum catalysts, and various reactive organofunctional silicone monomers and copolymers, Huls America Inc., Communications Dept., 220 Davidson Ave., Somerset, NJ 08873; (908) 560-6343; Fax (908) 560-6351.

Huntsman

In March, the company announced an agreement in principle to purchase Baker Performance Chemicals' 175-acre site and production facility in Dayton, Tex. The acquisition of the plant, which has an annual production capacity of 100 million lbs, brings Huntsman's total annual production capacity for specialty surfactants and intermediates to 850 million lbs. The company reports that it has developed a capital plan to support "extensive debottlenecking and modernization" of the facility. Huntsman's management has also approved plans to increase production at the firm's specialty surfactants production facility in Guelph, Ontario, Canada. Huntsman Corp., 3040 Post Oak Blvd., P.O. Box 27707, Houston, TX 77056; (713) 235-6364.

Huron Technologies

Late last December, the company announced that it had developed a new mold release technology - the 2000 Series Release Coating - for use with rigid polyurethane and integral skin polyurethane molding. The 2000 Series coatings are said to provide "excellent top coat adhesion," and mold release. The manufacturer recommends their use with or without an in-mold coating process. Other benefits reported by the company are low buildup and small uniform cell foam surface. The products, available in sol-vent and water-base technology, are said to permit "post-process applications with minimal or no washing needed to the cast part." Huron Technologies, Inc., 3729 Trade Center Dr., Ann Arbor, M148108; (313) 971-0300; Fax (313) 971-0931.

ICI Surfactants

Last December, the company introduced a line of Hypermer polymeric dispersants that are said to be effective for dispersion of a wide range of organic pigments in water. All three of the polymeric surfactants - Hypermers 2434, 2630, and 2678 - are said to offer "zero" VOC and do not contain alkylphenol ethoxylates. According to the manufacturer, the products have demonstrated outstanding performance in the dispersion of phthalocyanine blue. Benefits of the products include stabilization; improved color development; excellent dispersion stability and minimal viscosity drift over time; and either Newtonian or thixotropic viscosity behavior, depending on the dispersant used.

Last December, ICI Surfactants announced that it had received expanded clearance from the U.S. Food & Drug Administration (FDA) for use of Atmer 163 additives in the manufacture of polyolefin containers intended for food contact. The expanded clearance, under 21CFR 178.3130, permits additional use of Atmer 163 as an antistatic agent to a loading of up to 0.2 wt% in molded or extruded containers made from HDPE or polypropylene. Atmer 163 had already received clearance for use in polyolefin films up to a loading of 0.1 wt%. ICI Surfactants, Concord Plaza, 3411 Silverside Rd, Bedford Bldg., 2nd floor, Wilmington, DE 19850; (800) 822-8215, ext. 5739.

Inco

Inco Ltd. has expanded the product range of its Incofiber family of nickel-coated carbon fibers. The fibers are coated by a unique chemical vapor decomposition process directly from the nickel-containing process gas, so that high-quality, 99.96% pure, evenly distributed, 20 to 60 wt% nickel coatings are achieved. The Incofiber products are available in continuous tows or chopped form.

Inco has also developed a new family of thermoplastic long-fiber nickel-concentrate products, called Incoshield, that are specifically designed to provide highly effective electromagnetic shielding performance in injection molding applications. The nickel concentrates reportedly allow excellent fiber dispersion and mixing, and are now available with polycarbonate, polyamide, polyethylene, and polyetherimide resin systems. Injection molded parts made with optimum levels of the nickel-fiber concentrates are said to provide enhanced mechanical and impact properties, as well as excellent shielding. Inco Ltd., 681 Lawlins Rd., Wyckoff, NJ 07481; (201) 848-1276; Fax (201) 848-1022. Head office: 145 King St. West, Suite 1500, Toronto, Ontario, Canada M5H 4B7.

Kenrich Petrochemicals

The firm reports that the use of a small amount (0.5%) of LICA 12 in a recycled PET/PC alloy has achieved favorable results According to the company, one of its customers found that the small amount of LICA 12 - a neoalkoxy titanate metallocene-like catalyst - doubled flow and increased elongation six-fold in the alloy. The benefits were obtained without loss of impact resistance of the blend. Kenrich Petrochemicals, Inc., P.O. Box 32, Bayonne, NJ 07002-0032; (201) 823-9000; Fax (201) 823-0691.

Keystone Aniline

The company has added new FDA-compliant pigments to its extensive line of Keyplast colorants. Manufactured to satisfy stringent FDA standard 21CFR 178.3297, the pigments are reported to provide rich, consistent color for plastics in contact with food. They are available in 30 different shades and are said to provide excellent processing characteristics and heat stability, in addition to reliable long-term results Keystone Aniline Corp., 2501 W. Fulton St., Chicago, IL 60612; (312) 666-2015 or (800) 522-4DYE.

Kronos

The company has added Kronos 1080, an anatase pigment for delustering and coloring polyester fibers, to its line of titanium dioxide grades Kronos 1080 features a uniform particle size that is said to ensure the absence of coarse particles that can disrupt fiber processing. The pigment grade is said to be very bright, with a blue undertone, and it has favorable light fastness and low abrasion. It readily disperses in ethylene glycol and permits production of highly concentrated pigment suspensions with low viscosity. For polyester masterbatches, pigment concentrations of up to 40% are possible, the manufacturer says.

In June, the company announced that it had launched its new home page (www.nlind.com/kronos) on the Internet. The company's website provides information on the latest titanium dioxide pigment technology, and includes information on new product developments and applications. According to the company, visitors to the website may access technical data sheets and material safety data sheets, and may order technical article reprints. Technical and sales support contacts are also listed. Kronos, Inc., World Headquarters, P.O. Box 4272, Houston, TX 77210; (800) 866-5600.

Lancer Dispersions

VynTek color concentrates are designed, the manufacturer says, for PVC compounders and processors "requiring low cost and immediate delivery." Said to be suited to applications "where a color match has not been indicated," the VynTek color series includes concentrates based on yellow iron oxide, red iron oxide, carbon black, and titanium dioxide. Particle size of all concentrates is said to be less than 20 mesh. Custom matched colors can be formulated and offered as requested. Lancer Dispersions, Inc., 1680 East Market St, Akron, OH 44305-4246; (800) 722-9911; Fax (330) 794-1510.

Laurel

The firm's LSFR additive is a proprietary flame retardant synergist that is said to inhibit flammability and reduce smoke generation by up to 35%. When added to PVC and polyolefin, LSFR is reported to improve UV stability, increase thermal stability, and enhance both tensile strength and elongation properties. The additive is a free flowing white powder with bulk density of 0.04 kg/liter, a specific gravity of 4.20, and an average particle size of 1.1 microns It is said to be easier to process than most other synergists because it functions as a processing aid, providing external lubrication. Laurel Industries, Sales and Technical Support, 30195 Chagrin Blvd., Cleveland, OH 44124-5794; (800) 221-1304; Fax (216) 831-8479.

Luzenac America

The firm has a variety of talc products for use as antiblock additives and as fillers in HDPE, PP, and copolymers and TPOs. Its antiblock products, added to film resins to prevent blocking in the resulting film, are said to provide an "optimal compromise" between antiblock performance and retention of film properties A surface modified product is offered for applications in which melt fracture or interactions with fluorocarbon processing aids need to be minimized. Antiblock products include Mistron 400C, with median particle size of 3.9 microns; Jetfil 575C, with median particle size of 3.4 microns; and Stellar 510 and Stellar 510F, both of which have a median particle size of 3.8 microns. All the talc products, which are said to offer a safer alternative to silica antiblocks, have a top size of 25 to 30 microns.

When used in HDPE, talc is said to increase stiffness, tensile strength, and heat distortion temperature (HDT) of the HDPE. It also reduces the coefficient of thermal expansion. The manufacturer recommends use of a fine particle size to minimize the effect on impact strength. Typical loadings are in the range of 15% to 30%. Talc products used in HDPE include Jetfil 700C, Cimpact 710, Arctic Mist, Cimpact 610, Jetfil 575C, Vertal 710, and Techfil 7599. Luzenac, Inc., 9000 E. Nichols Ave., Englewood, CO 80112; (303) 643-0400; Fax (303) 643-0444.

M.A. Hanna

The company has recently announced its introduction of several product technologies developed at its Color Technical Center. These include the Edgeglo, Pprotint, Holoflake, ComPETe, and Celpro colorants Edgeglo fluorescent colorants use the transparency and light transmission properties of certain resins to enhance color along the edges of plastic and in places where the surface is etched, the manufacturer says. Their fluorescent properties combine with the refractive characteristics of the transparent resin to permit the edge of a plastic part to glow brighter and more intensely than the flat surfaces of the part. Available as a pelletized concentrate, Edgeglo colorants can be formulated in a range of fluorescent hues that include yellow, green, red, orange, and blue. Although their strongest effects are said to be seen in acrylic and GPPS, the colorants may also be used in such transparent resins as PC, PET, PETG, and SAN.

Pprotint colorants are lightfast and non-bleeding color concentrates that are designed to maintain the rarity of clarified polypropylene. They contain no dyes and are said not to bleed, crock, or migrate. The colorants are formulated with a polypropylene-compatible carrier system that is said to minimize reductions in clarity over multiple heat histories.

Holoflake colorants incorporate small holographic flakes into clear resins to produce spectral colors that are crisp, sharp, and bright under various lighting sources They can be combined with other colorants in a single concentrate to produce a variety of hues, while maintaining the reflective property of the flakes, the manufacturer says.

ComPETe is a family of custom formulated color concentrates based on non-polyester carrier chemistry. They are formulated and packaged to provide ease of processing and incorporation in opaque and transparent PET stretch blow and injection blow molding applications.

Celpro colorants are custom formulated concentrates developed specifically for application in cellulose proprionate resin. The colorants are said to be bright and bleed resistant, and they preserve the clarity of the resin. Yellow, green, orange, and blue are available; fluorescent hues can also be formulated.

In March, the firm announced that it had entered into an agreement to acquire Victor international Plastics, Ltd. (U.K.), from Rexam, Plc. Victor International, a producer of color masterbatch, is said to have annual sales of more than $50 million. Its primary end markets are the injection and blow molding markets. The acquisition of Victor International brings to 11 the number of M.A. Hanna's processing facilities in Europe. M.A. Hanna Co., Color Business Development Group, 800 Satellite Blvd., Suwanee, GA 30174-2878; (770) 271-6800; Fax (770) 271-6834.

Mann Formulated Products

Last winter, the Formulated Products Division of George Mann & Co. was acquired by Smooth-On, Inc., a Gillete, N.J.-based manufacturer of liquid rubber molding compounds. A new entity, Mann Formulated Products, Inc., was formed and as a wholly owned subsidiary of Smooth-On. The transaction was part of the sale of George Mann & Co. to Ellis & Everard plc, based in the U.K. Mann Formulated Products, Inc., produces and markets the entire range of mold release technologies formerly marketed by George Mann & Co. The technologies include the Aqualease water-based release agents, Ease Release solvent-based systems, Permalease semipermanent mold coatings, and Actilease carrier-free mold release application systems. Mann Formulated Products, Inc., 1000 Valley Rd., Gillette, NJ 07933; (800) 5562491; Fax (908) 604-2224.

Mearl

(See also Engelhard.)

Introduced in January, Mearlin Micro Pearls are luster pigments characterized by a very fine particle size. The pigments consist of titanium-coated or iron oxide-coated mica, ranging in particle size from 2 to 24 microns (approximate average size is 6 microns). It is because of this particle size composition, the manufacturer says, that the Mearlin Micro Pearls offer favorable coverage and exhibit a "very fine satiny" appearance. The titanium dioxide-coated mica grades of red, violet, blue, orange, green, and gold are interference-type luster pigments that display an attractive two-color effect, depending upon the viewing angle. The iron oxide-coated mica pigments of brass, bronze, copper, and russet are metallic-like in appearance but are nonmetallic in composition. Because they contain no tin, all the Micro Pearl Luster pigments are acceptable for food-contact plastic packaging, the manufacturer reports.

Last December, the firm announced the addition of two grades - Dynacolor GG and BBNto its Mearlin Dynacolor Series of Luster Pigments, said to offer luster, brilliance, and enhanced chroma. Both grades consist of an absorption colorant that is deposited directly on a titanium dioxide-coated mica interference pigment. For the GG grade, a green colorant is deposited on an interference green pigment. As a result, the rich, brilliant green from the interference pigment is seen at the specular angle. At the off-angle, the absorption color is seen. According to the manufacturer, the green color is thus enhanced and intensified, offering luster and richness from the interference pigment and added chroma from the absorption pigment. The same effect is said to be true for the BB grade, which is a blue colorant deposited directly on an interference blue pigment.

Mearlin MagnaPearl Luster Pigments, consisting of titanium dioxide-coated mica, are the firm's newest generation of lustrous white pearl pigments MagnaPearls 1000 and 2000 are anatase grades; the MagnaPearls 1100 and 2100 are rutile grades that exhibit a "noticeably brighter and whiter effect." All of the MagnaPearl luster pigments are said to offer superior coverage and to be nontoxic and free of heavy metals. Mearl Corp., P.O. Box 3030, 320 Old Briarcliff Rd., Briarcliff Manor, NY 10510; (914) 923-8500; Fax (914) 923-9594/9596.

Microfine Minerals

The company has established a strategic alliance with Mica-Tek Advanced Colorants Inc. Under the new arrangement, Microfine will be responsible for production and sale of both the Dekorflake and Mica-Lyte product lines in the U.S. and U.K. North American sales operations will be based in Northville, Mich. All other sales will be handled from MicrofineOs headquarters in Derby, U.K., the company reports. Mica-Tek, Division of Microfine Minerals, Inc., 325 North Center St., Suite D, Northville, MI 48167; and Microfine Minerals Ltd., Raynesway, Derby, England DE 217 BE; +(011) 44-1332-673131.

Milliken

The company reports that Millad 3988, a third-generation clarifying agent for polypropylene, can be used to produce "very clear, low-cost cosmetic packaging." The clarifying agent has been credited with providing a transparency in polypropylene bottles similar to that of PET. When clarified with Millad 3988, polypropylene has a haze of approximately 6%, versus the 4% haze of PET. Clarified polypropylene is also said to have a lower density (0.9 versus 1.33) than PET and to be less than half as expensive. As a result, it is possible to manufacture shampoo and cosmetics bottles that are lighter in weight, the manufacturer says.

In April, the company announced that its Reactint colorants were being used to provide efficient coloration of slabstock foam. Reactint liquid colorants are polyols - basic raw materials that react with isocyanate to make polyurethane. Their liquid form renders them easier to use, more economical, and more efficient than previous color systems, the manufacturer says. The company said that ContiTech, a producer and fabricator of polyether slabstock foam, was using the colorants on its newest foam equipment and production line to achieve maximum color flexibility with improved quality assurance. The colorants reportedly permit colortag of foams with higher efficiency, deeper shades, and wider processing windows than pigment dispersions would allow.

In August, the company announced that it had received clearance from the USFDA to use Millad 3988 in the manufacture of food packaging that requires autoclave sterilization. The FDA clearance allows the clarifying agent to be used in contact with all food types under conditions A (retort or autoclave) through H (frozen or refrigerated storage), at levels up to 0.4 wt%. Previously, use of the clarifying agent had been permitted only under conditions B (boiling water sterilized) through H. The company also reported that it had received approval from the European Scientific Committee for Food to use Millad 3988 clarifying agents in food contact applications. Milliken Chemical, A Division of Milliken & Co., P.O. Box 1927, Spartanburg, SC 29304-1927; (864) 503-2200; Fax (864) 503-2430.

Minerals Technologies

The company's subsidiary Specialty Minerals Inc. offers antiblock talcs for the plastic film industry under the names ABT 2500, Microbloc, and Polybloc. In addition, Barrets Minerals Inc., a subsidiary of Specialty Minerals, offers PolyTalc AG talc products, which are specifically designed for polymer applications where color of the finished part is of critical importance. Minerals Technologies Inc., The Chrysler Bldg., 405 Lexington Ave., New York, NY 10174-1901. Specialty Minerals Inc. is located at 640 North 13th St., Easton, PA 18042; (610) 2503000; Fax (610) 250-3344.

Morton International

In August, the firm announced that it was expanding the methyltin stabilizer capacity at its Cincinnati facility by 60%. the expansion includes debottlenecking and use of advanced stabilizer production technology. Such changes are expected to improve product consistency and were expected to be on-stream by mid-September of this year. According to the firm, the expansion was needed to support the growth of its plastics additives business, and it complements previously announced expansions of stabilizer capacity at the firm's Southeast Asia and Europe facilities Morton International markets its stabilizers under the Advastab and Advapak trademarks. Morton Plastics Additives, 2000 West St., Cincinnati, OH 45215-3431; (513) 733-2100; Fax (513) 733-2133.

Nova Polymers

Novalene impact modifiers are said to upgrade scrap PP homopolymer to copolymer with 5% to 15% loading. Supplied as free flowing pellets, the modifiers are reported to eliminate cracking and brittleness in PE and PP with low levels of loading. They also improve ductility and low temperature properties, the manufacturer says. The firm's Novalar grafting powder is also reported to eliminate brittleness, increase impact strength and ductility, and improve low temperature properties It can be used in ABS, PVC, polycarbonates, polyurethanes, epoxies, PET, and acrylics. At 15% loading, Novalar increases the impact strength of mixed-color regrind (ABS) to "near-prime properties," the manufacturer says. Nova Polymers, Inc., 2650 Eastside Park Dr., Evansville, IN 47716-8466; (812) 476-0339; Fax (812) 476-0592.

NYCO

In January, the company reported that it would proceed with construction of its Mexican wollastonite plant, which will operate as Minera NYCO S.A. de C.V. The plant will be constructed adjacent to the deposit in the state of Sonora, near the city of Hermosillo. Its capacity for producing wollastonite (calcium metasilicate) is expected to exceed 200,000 tons annually - more than half the current world production. The mining area is scheduled to produce more than 50 million tons of wollastonite ore at a grade of 60% or better. The company expects the plant to be in full-scale operation by the third quarter of 1997. Wollastonite is a nonmetallic, white, and naturally occurring functional mineral. Its acicular structure and chemical purity provide improved performance in plastics, automotive composites, adhesives, and paints and coatings NYCO Minerals, Inc., 124 Mountain View Dr., Willsboro, NY 12996-0368; (518) 963-4262; Fax (518) 963-4187.

OMG Americas

OMG Americas, a producer of mixed-metal stabilizers for flexible PVC, has nearly completed a multimillion dollar expansion of its Franklin, Pa., plant for increased production of barium, calcium and zinc carboxylates, the principal building blocks of PVC heat stabilizers. OMG's PlastiStab line is a complete line of lead and cadmium-free mixed-metal liquid, powder and paste stabilizers. The company also offers custom stabilizer formulation.

The firm has developed a line of FDA-compliant, liquid calcium-zinc PlastiStab heat stabilizers for flexible PVC. Designed as alternatives to heavy-metal lead-based and cadmium-based heat stabilizers, the liquid heat stabilizers are said to offer low viscosity and phenolics, high efficiency, and excellent color hold and rarity under high shear, high temperature conditions. They are also said to maintain low odor even through rigorous processing conditions. The firm has also introduced a line of calcium-zinc PlastiStab heat stabilizers for industrial and residential flooring, including continuous Vinyl and tile flooring applications. OMG Americas, 2301 Scranton Rd., Cleveland, OH 44113; (800) 321-9696.

O'Neil Color

The company has announced the development of capabilities for producing pulverized color compounds and dry colorants for the rotational molding market. Commodity and custom shades are achievable with various additive packages that include mold release, UV/antioxidant, antistatic, and flame retardant grades, the manufacturer reports. O'Neil Color & Compounding Corp., 238 Lindbergh Place, Paterson, NJ 07503; (800) 282-7933; Fax (201) 278-8773.

Optimer

In February, the company announced that its Micropoppers unexpanded polymeric microspheres were available in the U.S. By expanding into hollow, low-density micro-spheres inside of host materials, such as Neoprene, the Micropoppers are said to reduce the density and cost of the host material. They have diameters of 2 to 6 microns, but can expand to ten times their original volume within a certain range of temperatures, the manufacturer says.

The company also uses a proprietary technique to expand Micropoppers in large industrial ovens. By this process, the company produces its Polymicroshells - low-density, sprayable microshells that are resistant to shear forces and high pressure. Polymicroshells are also used to reduce density of host materials. The lightweight, pourable filler materials can be used in paints, adhesives, sealants, and rubber compounds. Their use permits the mixing, spraying, and pumping (at high pressures) of host materials without damaging the shells. They are said to survive temperatures of 300 [degrees] F and sheer forces "of even the toughest environments." Optimer, Inc., 422 B&O Lane, Wilmington, DE 19804; (302) 994-3083; Fax (302) 994-3086.

OSi

New Niax silicones and catalysts for molded and rigid foam have been introduced. In response to the increased use of molded foam for energy-absorbing and energy-managing foam in light vehicles, OSi has developed Niax L-3801, 3802, and 3803 cell-opening silicones. These nonhydrolyzable products are said to provide different degrees of cell opening and stabilization in order to allow adjustments in different formulations, while providing molded parts with no shrinkage or post-mold expansion, thus reducing scrap rates and increasing productivity. Two new catalysts, Niax C-177 and experimental UAX-1090, when used together, reportedly improve productivity by providing longer cream times for easier filling of multiple cavities while still allowing for short demold times.

OSi has developed a new series of lower or nonfugitive catalysts to help in complying with more stringent automotive fogging test requirements, and to improve the working environment for the molder. Niax catalysts A-300, 305,400, and 405 are designed to yield very open foam with low force to crush - critical in today's stressed formulations, and their reportedly very low to non-corrosive behavior prolongs equipment life. In conjunction with these catalysts, Niax L-3100/3200 surfactants are designed to provide a wide continuum of performance across a broad range of molded TDI formulations. These products reportedly give an excellent balance of shear stability, cell structure, and foam openness, and can work with the new higher functionality, higher reactivity polyols introduced by the major polyol producers. Niax L-3150 or L-3350 are said to offer excellent alternatives for users who prefer a single surfactant to a blend.

Niax L-6164 and L-6906 are two new silicone surfactants for use with all water-blown rigid foams. The nonhyrolyzable L-6164 is said to provide controlled cell opening by use level even in overpacked conditions, which should allow for better dimensional stability at lower density because of the open-cell structure of the foam. L-6906 is designed to produce very isotropic cells, which should also allow for better dimensional stability at lower densities, but through a different surface-active mechanism.

At the 1996 SPI Polyurethanes Conference, OSi introduced Niax L-6910, a silicone surfactant that is said to provide the lowest thermal conductivity with exceptional flow in HCFC-141b and cyclopentane-blown rigid foams, and two experimental silicone surfactants for these blowing agents. One, UAX-6125, is said to offer maximum flowability with uniform density distribution. The other, UAX-6179, is said to improve the overall balance of thermal conductivity, flow, and compressive strength.

OSi is also offering report 13-031, titled "Improving Adhesion with Silane Coupling Agents," which describes the many uses of these compounds in a wide range of coating systems. Witco Corp., OSi Specialties Group, 39 Old Ridgebury Rd., Danbury, CT 06810-5124; (203) 207-4000.

Owens-Corning

In April, the firm announced the development of its ZenTron high-strength fiber reinforcements, said to offer 15% to 50% higher tensile strength than other standard and high-strength glass fibers. The reinforcements have a resilience that improves impact resistance by as much as 50% over other advanced fibers. Their potential for greater strength in advanced composite applications derives from a new glass formulation and higher modulus resulting from improved fiber alignment in the composite. ZenTron reinforcements are compatible with epoxy and vinyl ester resin systems because of their "unique coating chemistry," the manufacturer says. They are also said to provide favorable adhesion, enhanced fatigue resistance, and favorable resin wet-out, resulting in faster line speeds and improved processability.

The firm also announced that it would be producing a "breakthrough roving material" at its glass fiber plant in L'Ardoise, France, before the end of 1996. The material is the 366 High Tex Type 30 Roving, which has a nominal weight of 9600 Tex (52 yards/lb). Its weight is said to double the weight of any previously available single-end roving, which means that less than half the number of ends are required to produce a part of equal glass context. The 366 High Tex requires fewer packages in the creel, dramatically reducing in-process inventory, the manufacturer reports. It is designed specifically for pultrusion applications where creel space is restricted, bulk is needed in the part, or process simplification is required.

Spar caps for home-built aircraft kits (made by Velocity Sebastian, Fla.) represent a new application for Owens-Corning S-2 Glass fiber. The reinforcement was chosen for the application because of its stiffness and compatibility with the E-glass construction of the aircraft kits. The spar cap is a reinforcing member located in the center of each wing, and provides the strength necessary to maintain wing stability. The firm has also introduced its M8615 continuous filament mat for press molding. The mat is said to exhibit "superior" resistance to fiber wash during molding and to have favorable color consistency. Because its surface is well consolidated, with few loose strands, the mat is easier to handle. It is said to retain favorable porosity and wet-through characteristics, and is desired specifically for the matched die molding, resin transfer molding, and S-RIM process. Other benefits include favorable formability, weight uniformity, and uniform strand integrity.

Advantex reinforcements with SoftStrand technology have been specially developed for optical fiber cable applications that require a helical overwrap. Its proprietary impregnant is said to allow such products to be conformable and more easily packed into the finished cable, while reportedly providing enhanced abrasion resistance and protection. The chemistry is also said to offer finer strand yield or lower denier vs. competitive products and enable Advantex reinforcements to carry 50% less coating than standard reinforcements, thereby conserving costs.

AquaBlok coating technology for Advantex reinforcements applies a super absorbent powder to the strands to keep water out of optical fiber cables when the exterior jacket is cut. The company says that in the presence of water the absorbent swells to three times its maximum weight in one minute, effectively sealing off the damaged area. Incorporation of the coating eliminates an extra processing step required to add some of the gels and grease normally used for water protection, which also aids in the handling and splicing of the fiber-optic filaments. Owens-Corning World Headquarters, One Owens-Corning Pkwy., Toledo OH 43659; (419) 248-800.

Plasticolors

The company announced in June that its Thermoplastic Specialty Products Division is offering both precolored TPE compounds and color concentrates for TPEs for use in household appliances, business machines, and many consumer applications. Plasticol-ors Thermoplastic Specialty. Products Division, P.O. Box 816, Ashtabula, OH 44004; (216) 576-5137; Fax (216) 576-8805.

PPG Industries

The company has developed two new chopped strand products for thermoplastics. PPG CS 3660 is a multipurpose polyamide reinforcement with excellent hydrolysis resistance in PA66. PPG CS 3298 is used to reinforce both homopolymer and chemically coupled polypropylene. It is said to provide favorable mechanical properties and an "exceptionally white" finish. Other new products include Roving 6089, designed for production of pipes with small and large diameters by means of centrifugal molding; and PPG Hybon 6055, an all-silane chopping grade roving, designed for use in chemical plant manufacturing and applications requiring various laminate thicknesses in one operation. The firm also plans to begin production of powder bound MPM mat at its Wigan, England, plant by the end of this year.

PPG has increased production of two of its chopped-strand fiberglass reinforcements - Type 3563 for polyethylene terephthalate (PET) in automotive-composite applications, and Type 3660 for hydrolysis-resistant nylon 6/6 in automotive under-the-hood applications Type 3563 is said to provide superior impact strength in glass and mineral/glass compounds. The company notes a 20% increase in impact properties in glass/mineral PET systems when compared with PPG's previous reinforcement. A 50% better resistance to generating fuzz during transit is also claimed, along with superior strand integrity for trouble-free processing. Type 3660 is said to retain and even increase toughness and tensile strength when the nylon 6/6 is exposed to engine coolant in the radiator. It also affords good color in natural grades of nylon where whiteness is required.

PPG recently dedicated its $50 million fiberglass-manufacturing plant in Chester, S.C. The company's third U.S. fiberglass-manufacturing facility, it is supplying continuous-strand reinforcement products for worldwide composite applications. In addition to a fiberglass-manufacturing furnace with PPG proprietary technology, the Chester plant has fiberglass-winding equipment that will allow enhanced quality control and afford opportunities to manufacture new products PPG Industries, Inc., One PPG Place, Pittsburgh, PA 15272; (412) 434-2445; Fax (412) 434-2545.

PQ Corp.

PM 7220 and PM 7228 are hollow sphere products with high strength-to-density ratios Both grades have a narrow particle size distribution and low porosity, which combine to produce improved volume fillings, the manufacturer reports. PM 7220 spheres have a density of 0.20 g/[cm.sup.3] and particle sizes ranging from 10 to 125 microns. Their mean particle size range is 65 microns. The PM 7228 product has a density of 0.26 g/[cm.sup.3], a particle size range of 5 to 90 microns, and a mean particle size of 50 microns, Both grades are white, contain single-cell fused borosilicate spheres, and form a free flowing powder. At 10130 psi, volume loss ranges from 10% for PM 7220, to 2% for PM 7228. Potential end uses for the hollow spheres include lightweight aerospace materials, heat-insulating materials, composites with low permittivity, various medical applications, such as prosthetics, and coring materials that increase laminate stiffness. Both products are being offered on a developmental basis.

Last month, PQ introduced two new aluminosilicate products - AB10N antiblock fro PVC film and other plastics requiring antiblock, and HS10N heat stabilizer aid for PVC and other halogenated systems.

Last December, the firm announced that all thirteen of its U.S. plants had qualified for ISO certification. Six of the plants were certified early in 1995; the remaining seven achieved certification by October of the same year. The most recent certifications were for plants located in Chattanooga, Tenn.; Utica, Ill.; Tacoma, Wash.; Baltimore; Chester, Pa.; Berkeley, Calif.; and Anderson, Ind.

Finally, PQ Corp. has opened a new 1500[ft.sup.2] laboratory at its Nyacol Products subsidiary in Ashland, Mass. to assist customers using its inorganic chemicals in plastics applications. The more than $500,000 in equipment includes a Leistritz twin-screw extruder, a Cincinnati Milacron injection molder, HVUL flame chamber, and equipment to test for physical and flame-retardant properties and provide full characterization of polymers. The lab also has standard analytical testing instruments. PQ Corp., P.O. Box 840, Valley Forge, PA 19482; (800) 252-0039.

Prime Colorants

Late last year, the firm announced its purchase of Color Formulators Inc., Fairfield, N.J. Prime Colorants Inc. is a manufacturer of specialty colorants. Its proprietary blends of custom colorants include high loaded concentrates, liquids, and dry colorants. Color Formulators Inc. is a specialty supplier of color concentrates and specialty additives for olefins, nylons, and polyesters. Prime Colorants Inc., P.O. Box 427, Alpha Drive, Franklin Industrial Park, Franklin, TN 37064; (615) 794-9551.

Quantum Chemical

The firm has increased the compounding capacity of its color and additives concentrates plant in Heath, Ohio, by 40%, it reported in January. Last December, it added a continuous mixer/extruder compounding line for manufacture of Spectra-tech specialty compounds used by the automotive, home and garden equipment, and packaging markets. The new line is said to "fit a manufacturing capacity niche" between the firm's larger capacity lines at its compounding plant in Crockett, Tex., and the capacity of its other six compounding lines at Heath. In 1995, Quantum closed a compounding plant in Clinton, Mass., and transferred the manufacture of most of its products to the Heath plant. At Heath, the firm produces various color concentrates, including its highly loaded white grades, and various additive concentrates. Among the additive concentrates produced are antiblocking, antistatic, and crosslinking agents, delusterants, foaming agents, flame retardants, optical brighteners, processing aids, slip agents, and light stabilizers. Quantum Chemical, 11500 Northlake Drive, P.O. Box 429550, Cincinnati, OH 45249.

ReedSpectrum

In February, the Division announced the availability of its CombiBatch multifunction concentrates, a specialty combination of additives, modifiers, and colorants. By incorporating colorant and functional additives in one product, the concentrates give processors the cost advantage of having only one processing charge versus the two or three associated with purchasing components separately. CombiBatch concentrates are said to be effective in a many polymers, including PE and PET. They permit the formulation of specialty colorants "in nearly any resin system and with a wide range of performance and processing additives," the Division reports. The Division can provide FDA-compliant multi functional formulations and various packages, including antiblocks, antioxidants, antistatic agents, flow modifiers, nucleating agents, and UV stabilizers.

By the end of last year, Underwriters Laboratories (UL) Inc. had recognized the Division's concentrates for use in more than 100 UL94-V flammability-rated polymers, including nylon 6, 6/6, and 6/12; polycarbonate, polystyrene; PBT polyesters; ABS; LCPs; and polysulfones. According to the manufacturer, the recognition by UL is based on tests and trials that have shown that the concentrates will not degrade the flammability properties of the more than 100 resin grades. The Division reports that it expects to receive recognition for an additional 150 grades by the end of this year. In January, Underwriters Laboratories Inc. discontinued its practice of granting generic recognition to concentrates used in UL94-V flammability rated polymers. UL now requires that concentrates be specifically recognized for use in each UL94-V rated material. ReedSpectrum's UL-recognized concentrates are used in the electrical, electronic, appliance, business machine, and power tool markets.

In March, the Division's manufacturing facilities in Holden, Mass., and Lawrenceville, Ga., received ISO 9001-1994 certification. The Holden facility is the Division's headquarters and R&D center, and had been awarded ISO 9001-1987 certification two years ago. The Lawrenceville plant is a 50,000-[ft.sup.2] facility that recently underwent an expansion project to improve process flow and handle volume increases created by purchases of new equipment. As a result of the expansion, total warehouse capacity at the plant exceeds 2.25 million lbs. The Division also announced in June that it had begun manufacturing operations at its new 30,000-[ft.sup.2] facility at Phoenix, Ariz. The facility features three twin-screw production lines, blending equipment, and proprietary custom color matching capabilities. ReedSpectrum, Division of Clariant Corp., Holden Industrial Park, Holden, MA 01520; (508) 829-6321.

Reheis

In May, the company announced that it had released a new brochure detailing its acid neutralizing additive L-55RII. The L-55RII additive is part of a family of improved aluminum-magnesium hydroxycarbonate compounds - commonly known as synthetic hydrotalcites - that the company says have proven to be highly effective in neutralizing residual acid in various synthetic polymers. The brochure discusses the various uses of processing with this type of synthetic hydrotalcite. It also discusses comparison tests with calcium stearate, multiple extrusion application experiments, and application data for various polyolefin formulations. L-55RII is a vegetable stearate, and as such does not contain any animal-derived components, and is said to provide excellent stability to polypropylene, polyethylene, polyvinyl chloride, and flame-retardant grades of other polymers. Reheis Inc., 235 Snyder Ave., Berkeley Heights, NJ 07922; (908) 464-1500; Fax (908) 464-7726.

Rh^one-Poulenc

In late September, the Paris-based company announced the industrial development of its Neolor innovation project. Neolor is a generation of red- and orange-colored pigments obtained from rare earths that are intended to replace cadmium-based and lead-based pigments. The company followed this announcement with a further statement indicating that the Ferro Corp. will be the exclusive distributor of Neolor products in the United States and Canada. Rhone-Poulenc Inc., North American Chemicals, Public Affairs and Communications, One Corporate Dr., P.O. Box 881, Shelton, CT 06484; (203) 925-3609.

Riverdale Color

A new Modular Cart Pump System is said to simplify the use of liquid color by having everything needed on a lightweight plastic cart. This allows the processor to quickly replenish liquid supply, change color, and replace tubing while minimizing the chance of a spill or contamination. The Modular Cart Pump is designed to handle both 5-gallon jugs and bag-in-pail containers, and can accommodate a 15-gallon reservoir for longer production runs. Riverdale Color Mfg., Inc., 147 Classon Ave., Brooklyn, NY 11205; (800) 221-6027.

Sartomer

The company announced in May that it and its sister company, Cray Valley, were purchasing the Degacure Cationic Product Line from Degussa AG, Frankfurt am Rhein, Germany. As a result of the purchase, Sartomer Cray Valley became a full-line supplier of photoinitiators, resins, and additives for cationic curing systems Sartomer Co., Oaklands Corporate Center, 502 Thomas Jones Way, Exton, PA 19341; (610) 363-4100; (800)-SARTOMER; Fax (610) 363-4140.

SCM Chemicals

Tiona RCL-188, SCM's newest titanium-dioxide pigment, has an optimized surface treatment that is said to provide maximum melt-flow retention, outstanding dispersion and excellent optical efficiency, even in 80% Ti[O.sub.2] concentrates Developed for downstream users who are moving to thinner films, faster line speeds and cycle times, and higher processing temperatures, RCL-188 reportedly resists lacing and die-lip buildup, and is fully compliant with FDA food-contact regulations.

Tiona RCL-4's proprietary surface treatment is also said to provide excellent dispersion and melt-flow retention. It is used in polyolefin concentrates where it resists the yellowing reaction with certain phenolic antioxidants, and is also recommended for use in non-durable rigid and flexible PVC applications. It is NSF listed for plastic-pipe applications.

A general-purpose blue-tone product with good dry-flow properties, Tiona RCL-69 can be used in polyolefin concentrates and in compounding PVC, as well as for styrenics and engineering resins to hide their yellow tone. It is NSF listed for plastic pipe applications.

Tiona RCL-6 is said to provide maximum color stability and, because the pigment particles are fully encapsulated with silica, chalking resistance. It is recommended for tinted vinyl siding and window profiles, and other applications where color stability is critical.

Last December, the company announced a further, $120 million expansion of its chloride-process Ti[O.sub.2] plant at Stallingborough, U.K. The expansion increases the plant's annual production capacity by 25%, to 109,000 tons. The company reports that it intends to increase capacity by an additional 41,000 tons per year (38%) by January 1998. It anticipates that global demand for Ti[O.sub.2] will grow at an average annual rate of 3.6% to the year 2000. In May, SCM also announced the expansion of its Ti[O.sub.2] operations at its Kemerton plant near Bunbury, Western Australia. The $340 million expansion - reportedly the largest capital expansion project yet undertaken by the company - increases capacity at the plant by 111,000 tons per year, to a total annual capacity of 190,000 tons. SCM Chemicals, 7 St. Paul St., Suite 1010, Baltimore, MD 21202; (410) 783-1120; Fax (410) 783-1087. Also: 200 International Circle, Suite 5000, Hunt Valley, MD 21030; (410) 229-4443; Fax (410) 229-4455.

Slide Products

The firm's expanded line of Slide Econo-Spray mold releases includes Econo-Spray IV Zinc Stearate and Econo-Spray V Dry Film Lube. The zinc stearate product is said to be suitable for polypropylenes, polysulfones, and rubber molding. Econo-Spray V can be used favorably with most thermoplastics, especially when deep draw molding with hard, brittle resins, the manufacturer says. The firm also introduced its Inter Lube zinc stearate powder internal mold release. Inter Lube is a dry, white, water-repellent powder that is said to improve finishes and be economical to use, resulting in fewer rejects and lower production costs. Slide Products, Inc., P.O. Box 156, Wheeling, IL 60090; (800) 323-6433.

Struktol

Struktol now produces zinc stearate in microbead or pellet form, giving it a low-dust-handling advantage while still providing the standard properties important in processing and compounding. Struktol TR 251 is a new product with a "unique" combination of ingredients that reportedly yields better pigment wetting and easier, more uniform dispersion for color-concentrate producers. Struktol Co. of America, 201 E. Steels Corners Rd., P.O. Box 1649, Stow, OH 44224; (216) 928-5188; Fax (216) 928-8726.

Sun Chemical

The company's Colors Group announced last autumn that its pigments manufacturing facility in Muskegon, Mich., had received ISO 9002 certification from the Quality Management Institute of Canada. The Muskegon facility manufactures organic pigments for use in plastics, printing inks, and industrial and automotive paints and coatings. Other Sun Chemical manufacturing facilities that had previously received certification include Colors Group plants in Cincinnati; Rosebank (Staten Island), N.Y.; and Newark, N.J.; and the dispersions manufacturing site at Amelia, Ohio. Sun Chemical Corp., 222 Bridge Plaza South, Fort Lee, NJ 07024; (201) 224-4600; Fax (201) 224-4392.

Swada

In May, the company announced the introduction of its RTS Series Fluorescent Colors. Based on a thermoset benzoguanamine resin matrix, the RTS Series is said to provide improved temperature, chemical, and solvent resistance properties over many of the resin systems previously offered by the firm. The RTS Series is manufactured by a unique process that results in spherically shaped particles averaging 3 to 4 microns in size. Improved resin and dye compatibility permit the RTS Series to produce "ultra-high strength colors" without compromising fluorescent brightness, the manufacturer says. Applications include PVC coating and molding, where resistance to bleed and migration, and shade stability and low gassing characteristics are said to offer considerable benefits. The series is also said to be suited for use in extruded and molded plastics because it provides minimal plate-out and favorable heat resistance at temperatures up to 230 [degrees] C. Decomposition point is 260 [degrees] C. Swada (London) Ltd., Concord House, High St., Stratford, London E15 2PP, England; +44 (0) 181 534 7171; Fax +44 (0)181 534 8375.

Teknor Color

Last November, the company unveiled its TekNEONLite Silver Sparkles color concentrate series. The color concentrates, an extension of the NEONLite EdgeGlow series introduced in May 1995, are said to exhibit special edge-glow and sparkle effects and are formulated without heavy metal-based pigments. They are available in transparent red, yellow, blue, green, orange, and orange/red, with silver sparkles suspended throughout the color. The colorants are designed specifically for polystyrene resins, but custom formulations can be developed for SAN, ABS, and acrylic. They can be used in injection and blow molding and extrusion processes, with suggested letdown ratios of 25:1 or 33:1. Typical applications include packaging, housewares, displays, and signs.

Last December, the firm announced its introduction of the TekLite Transparent Color Silver Sparkle Series, which features four transparent colors with suspended silver sparkles. Like the TekNEONLite Series, it is formulated without heavy metal-based pigments. The concentrates are available in transparent blue, green, purple, and clear, with silver sparkles suspended throughout the color. They represent the firm's first color concentrate series that incorporates silver sparkles and complies with applicable USFDA regulations for direct food contact.

In January of this year, Teknor announced its acquisition of Progressive Polymers, Inc. (Jacksonville, Tex.), a producer of color concentrates and plastic compounds. Progressive Polymers offers precolor, dry color, and standard concentrate, in addition to Color Spheres optimum loaded concentrates.

In September, Teknor came out with a line of "jelly colors," which are available as part of the TEKlite series. The "jelly colors" are plum, orange, grape, blueberry, mint, and strawberry, and can be used in clarified polypropylene or reformulated for other resins, such as EVA or other clear-base materials Teknor Color Co., Subsidiary of Teknor Apex Co., 505 Central Ave., Pawtucket, RI 02861-0290; (401) 725-8000.

Ter Chemicals

Last year, the firm purchased the Hoechst Celanese product line of PVC pipe extrusion lubricants. It has since obtained the ter lube trademark and has been marketing the complete line of specialty lubricants for PVC. Prior to the acquisition, Ter Chemicals had been the exclusive manufacturer for Hoechst of the former Hoechst Hostalub XL PVC pipe lubricant product line since 1980. The company now manufactures a "full range of hydrocarbon-based lubricants, from single component to one-packs," especially for rigid PVC formulations. Ter Chemicals, Inc., P.O. Drawer P, Pass Christian, MS 39571; (601) 452-9491; Fax (601) 452-3637.

3M Zeelan

In June, Zeelan Industries, Inc. (a wholly owned subsidiary of 3M Co.), announced its development of a new family of "very fine, particle-size ceramic white" Zeeosphere microspheres. The spherical filler products are said to offer properties similar to the firm's gray Zeeosphere microspheres, and include the three grades named Zeeosphere W610, W410, and W210. They offer the fine particle size, strength, and processing ease of typical traditional mineral fillers, but with the additional advantages of spherical particles, the company reports. Such advantages include low resin demand and viscosity, high filler loading potential, and abrasion resistance. They also offer "improved particle packing" for increased corrosion resistance. They can be used as specialty fillers in a variety of paints, plastics, and adhesives, and are said to have assumed particular importance in helping reduce VOCs in industrial and maintenance paints. 3M Zeelan Industries, Inc., 3M Center, Bldg. 220-8E-04, St. Paul, MN 55144-1000; (612) 737-1764.

U.S. Borax

In January, the firm announced a major plant expansion at its Wilmington, Calif., production site. The expansion more than doubles the firm's previous capacity for producing Firebrake ZB, a form of zinc borate that acts as a multifunctional fire retardant synergist. According to the manufacturer, Firebrake ZB is widely used as a partial or complete replacement for the more costly antimony oxide in PVC, polyolefins, nylon, epoxy, and elastomers. Unlike antimony oxide, however, the product also functions as a smoke and afterglow suppressant. It reduces the rate of heat release of flexible PVC, polyphenylene oxide, and HIPS. The product has also been used in conjunction with alumina trihydrate and magnesium hydroxide, or as a silica source in halogen-free systems.

The firm's borate-based synergists include the recently patented Firebrake 415, which has a dehydration temperature of 415 [degrees] C. Firebrake 415 is said to improve the thermal stability of fire retardant systems for nylon at high processing temperatures. The firm also markets Firebrake 500, an anhydrous zinc borate for use in engineering polymers at temperatures above 290 [degrees] C. Firebrake 500 is said to effectively suppress smoke in fluoropolymers and reduce the rate of heat release in polyether ketones and polysulfones. U.S. Borax Inc., 26877 Tourney Rd., Valencia, CA 91355-1847; (805) 287-5400; Fax (805) 287-5495.

Union Carbide

In June, the company announced its plans to build a plant for production of Carbowax polyethylene glycols (PEGs) and Tergitol nonylphenol ethoxylate (NPE) surfactants at its Taft, La., petro-chemicals complex. Start-up is scheduled for the year-end of 1997. The plant is expected to provide additional capacity "for anticipated market growth into the next century, while also replacing capacity" of some of the units that are scheduled to be shut down in the firm's existing ethoxylation network. It is also expected to help strengthen the firm's "production and logistics efficiencies," the company reports. Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817-0001; (203) 794-2000.

Uniroyal

Two new maleated polyolefin products have been added. Polybond 3200, a maleated polypropylene, offers the highest level of maleic-anhydride functionality and the highest melt-flow rate in Uniroyal's product line. It is recommended as a coupling agent in filled and reinforced polypropylene composites and as a compatibilizer for polypropylene/nylon blends. Owing to its high level of functionality, the company says, it can be used at 1% to 2% levels with dramatic improvements in mechanical properties. Its use in 30% glass-reinforced polypropylene reportedly resulted in a 27% improvement in tensile and flexural strength and a 120% improvement in notched Izod impact.

The maleated EPDM, Royaltuf 485, is a replacement for 465A. It has a lower viscosity and higher maleation level than 465A, and reportedly provides better impact performance and higher tensile and flexural strength than 465A. It is used as an impact modifier in both nylon 6 and nylon 6/6 and glass-reinforced nylon composites. Typical usage levels are from 10% to 25%, depending on desired impact performance. The use of 20 wt% Royaltuf 485 in nylon is said to result in notched Izod impact strengths greater than 15 ft/lbs-in. Uniroyal Chemical Co., Inc., World Headquarters, Middlebury, CT 06749; (203) 573-2000.

United Mineral & Chemical

Epocolor 280 Series Fluorescent Pigments, available since February, are benzoguanamine-based pigments that provide high heat stability. Designed for plastics and powder coatings, the pigments include the strawberry, cherry, and mango reds, tangerine orange, citrus and banana yellows, and lime and grass greens. They are produced by means of a polymerization process that yields uniform spherical particles. The manufacturer reports that the process results in brilliant daylight fluorescent pigments with increased opacity, and properties such as favorable plate-out and bleed resistance, extended heat and solvent resistance, and improved processing characteristics over thermoplastic-resin-based products. Pigments Division, United Mineral & Chemical Corp., 1100 Valley Brook Ave., Lyndhurst, NJ 07071; (201) 507-3300; (201) 507-1506.

Velsicol Chemical

In April, the firm reported that it opened a technical services and development (TS&D) laboratory in Basingstoke, Hampshire, England, and expanded its office at the site to support logistics and customer service. Earlier in the years, Velsicol also opened a new Technical Center in Northbrook, Ill. The 2000-[ft.sup.2] TS&D laboratory provides technical service and application development support to the European market. It is focusing on developing new products and finding new ways to use existing products, particularly its Benzoflex 9-88 and 50 plasticizers. Velsicol Chemical Corp., 10400 W. Higgins Rd., Suite 600, Rosemont, IL 60018-3713; (708) 298-9000; Fax (708) 298-9014.

Vetrotex CertainTeed

The firm announced in February that its manufacturing facility in Wichita Falls, Texas, was officially operating as an ISO 9002 facility. Preparation for the ISO registration was completed in approximately 16 months. The firm reports that it plans to use its ISO 9002 registration as a new base for further quality improvements, including elements of the OS 9000 standard developed by Chrysler, Ford, and General Motors.

U.S. production of Twintex Direct Composite product at the Wichita Falls plant is slated to begin by the end of this year. Twintex Direct Composite is a reportedly unique thermoplastic roving consisting of commingled unidirectional glass fiber and thermoplastic filaments (polypropylene, PET, PBT and polyethylene filaments are available). The company reports that the product's mechanical characteristics are comparable with those of thermoset composites, with the added advantages of excellent impact resistance and recyclability. Prices are said to be competitive thanks to a unique manufacturing process. Fabrics are available in plain, twill or satin weave, knitted, unidirectional, oriented and three-dimensional. Dry prepregs are available in glass loadings up to 75%.

Two recent RTP Chopped Strand introductions are both said to have strand configurations and sizing compositions that provide excellent mechanical properties while offering outstanding strand integrity, low fines and excellent dry-flow characteristics - 910 in injection molding applications of high-temperature thermoplastic resin systems; and 968 in injection molding applications of homo-polymer and chemically coupled polypropylene resin systems, where it is also said to provide outstanding resistance to color change. Vetrotex CertainTeed Corp., Fiber Glass Reinforcements, 750 E. Swedesford Rd., P.O. Box 860, Valley Forge, PA 19482; (215) 341-7000; Fax (215) 293-1765.

Willow Ridge Plastics

In February, the firm unveiled its UV-H degradable masterbatch additive for plastics applications subject to degradation by sunlight. The nontoxic additive is used at a normal loading of 2%, and can be used for film of any thickness - clear or pigmented. UV-H can also be used in injection and blow molding, the manufacturer says. Its applications include stretch wrap, consumer and trash bags, golf tees, wadding for shotgun shells, and bottles. Willow Ridge Plastics, Inc., 3208 Dixie Highway, Erlanger, KY 41018; (606) 5787400; Fax (606) 578-7404.

Witco

See OSi.

Zemex

On March 4, 1996, it was announced that the Feldspar Corp., Suzorite Minerals, and Suzorite Mica had combined to form Zemex Industrial Minerals. Headquartered in Atlanta, Zemex is the producer of various grades and surface treatments of feldspar, mica, and talc for the plastics and other industries. It has plant locations in Quebec, New York, North Carolina, Texas, Georgia, Florida, and West Virginia. Zemex Industrial Minerals, 1040 Crown Pointe Pkwy., Suite 270, Atlanta, GA 30338; (770) 392-8664; Fax (770) 392-8670.
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Publication:Plastics Engineering
Article Type:Industry Overview
Date:Nov 1, 1996
Words:21206
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