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Cleveland hosts Rubber Division.

The Rubber Division of the American Chemical Society will hold its 160th Technical Meeting and Exposition at the Cleveland Convention Center in Cleveland, OH, October 16-19.

Scheduled to exhibit are 338 companies with over 925 booths. Attendance is expected to exceed 10,000.

Symposia will include:Advances in tire polymers; New commercial developments; Plasticizers and processing promoters; Predictive tire testing; Quality assurance in the rubber industry; Rubber adhesives and adhesion; Rubber recycling; and Silicone rubber.

Don Shea, executive director of the Rubber Manufacturers Association, will present the keynote address on Tuesday, October 16 at 11 a.m. On Tuesday evening, from 5-6:30 p.m., the Suppliers and Exhibitors Reception will take place.

On Wednesday, October 17, the 25 Year Club Reception and Luncheon will be held at 11:30 a.m. The Rubber Division's Business and Awards Meeting will take place at 11 a.m. on Thursday, October 18.

The technical program for the 160th meeting of the Rubber Division is as follows (speaker's name is italicized):

Tuesday, October 16 - Session A Symposium - New commercial developments

Walter H. Waddell and Julie H. Kuhr, ExxonMobil Chemical, co-chairs.

(1) Impedance sensing technology in rubber production applications: Qaulity data and economic benefits. Richard Magill, Signature Control Systems.

(2) Mold release and mold fouling - how can we do better? Colin Clarke, K.-H. Menting, T. Mergenhagen, M. Hensel and B. Just, Schill & Seilacher Struktol AG, Germany.

(3) The effects of processing parameters on the performance of autodepositable coatings for rubber to metal bonding. Brett Rearick, R. Cowles and J.B. Williams, Lord.

(4) Meeting life of the vehicle and LEV-II emission requirements with AEM elastomers. E. McBride, K. Wu and L.C. Muschiatti, DuPont, and H.J. Barager, DuPont Automotive.

(5) Selective self-adhesive silicone for liquid injection molding systems (LIMS). Susumu Sekiguchi, Shincor Silicones, and S. Azeti, N. Yamakawa and N. Meguriya, Shin-Etsu Chemical, Japan.

(6) Plastic rubber masterbatches. Chandrasekaran R. Pillai, Quantum Polymer.

(7) Iran's role and market potential in tire manufacturing. Mahmood Habibnia, A. Ansari and M. Ebrahymi, Kavir Tire, Iran.

(8) New uses of tire recycling byproducts. Meholi Ebrahymi, A. Ansari and M. Habibnia, Kavir Tire, Iran.

Tuesday, October 16 - Session B Symposium - Rubber recycling

Michael W. Rouse, Rouse Polymerics, and Paul Standley, Zephyr Associates, co-chairs.

(9) High-temperature high-pressure sintering: A method of recycling waste rubber. Jeremy E. Morin, D.E. Williams, A.R. Tripathy and R.J. Farris, University of Massachusetts.

(10) Rubber recycling: An understanding of the mechanism of high-temperature high-pressure vulcanized rubber sintering. Amiya A. Tripathy, J.E. Morin, D.E. Williams and R.J. Farris, University of Massachusetts.

(11) Ultrasonically treated polypropylene/ground tire rubber blends. Jeong Seok Oh and A.I. Isayev, University of Akron.

(12) Simulations of ultrasonic treatment of SBR under static conditions. V.V. Yashin and A.I. Isayev, University of Akron.

(13) Fundamental properties of activated modified rubber (AMR), a devulcanized recycled rubber produced from rubber scrap and used tires. William Klingensmith, P. Standley, Dr. Liu and Z. Ying, Landstar Polymer Recycling.

(14) Utilization of devulcanized recyclate - part 1: Replacement of virgin polymer in generic tire tread compound. Paul M. Standley, Landstar Ohio, LLC.

Tuesday, October 16 - Session C Symposium - Quality assurance in the rubber industry

Wesley Wampler, Sid Richardson Carbon, chair.

(15) Utilization of the rubber process analyzer in six sigma programs to improve quality and reduce production costs. John S. Dick, J. Sezna, M. Ferraco, K. Immel and T. Milner, Alpha Technologies.

(16) Chemical quality stability and use. William F. Cole, Jr., Flexsys America L.P.

(17) Quality control in the mixing process. Payman Pourgheysar, Kian Tire Manufacturing.

(18) Enhanced macrodispersion analysis of carbon black-filled rubber using IFM. Ricky W. Magee, P.C. Vegvari and T.C. Gruber, Columbian Chemicals.

(19) An improved method for measuring filler dispersion of uncured rubber. John B. Putman, Tech Pro, and C.R. Samples, Akron Rubber Development Laboratories.

Tuesday, October 16 - Session D Symposium - Predictive tire testing

Syed K. Mowdood and Udo Kuhlmann, Pirelli, co-chairs.

(20) Flocculation in carbon black filled rubber compounds. Leszek Nikiel, M. Gerspacher, C.P. O'Farrell and H.H. Yang, Sid Richardson Carbon, and G. Schwartz, University of Buenos Aires, Argentina.

(21) Compound viscoelastic properties and fracture mechanical behavior in truck tire durability prediction. Harry G. Moneypenny, Moneypenny Tire & Rubber Consultants, the Netherlands, and S.K. Mowdood, Pirelli Tire.

(22) Simulation of rolling resistance with the method of pulsed dynamic mechanic thermal spectroscopy (PDMTS). Horst Deckmann, Gabo Qualimeter Testanlagen GmbH, Germany.

(23) Determination of dynamic friction characteristics during braking and the consequence for performance prediction. Oliver Albohr, Pirelli Reifenwerke GmbH, Germany.

(24) Theory of rubber friction and contact mechanics. B.N.J. Persson, Institut fuer Festkoerperforschung, Germany.

Tuesday, October 16 - Session A Symposium - New commercial developments

Walter H. Waddell and Julie H. Kuhr, ExxonMobil Chemical, co-chairs.

(25) Innovations in the production of HNBR. C.P.J. van der Aar, DSM Elastomers, the Netherlands; W. Belt, DSM Research, the Netherlands; and C. Leonard and T. Tsai, DSM Copolymer.

(26) Novel low temperature HNBR polymers. Edmee Files and M. Jones, Zeon Chemicals L.P.

(27) New improved cold flexibility HNBR. Takafumi Kawanaka, H. Kotsuji and M. Oyama, Zeon, Japan.

(28) Elastomers exhibiting safe and durable antimicrobial properties. Geoffrey R. Haas, Milliken Chemical, and B. Kerr and B. Patel, Milliken Chemical and Specialty Elastomer, England.

(29) New, improved processing HFP-peroxide cured types of Viton. Ronald D. Stevens and D.F. Lyons, DuPont Dow Elastomers.

(30) New, improved processing PMVE-peroxide cured types of low temperature Viton. Ronald D. Stevens and D.F. Lyons, DuPont Dow Elastomers.

(31) The novel use of controlled long chain branched (CLCB) Keltan blends to widen the processing window. J.R. Patel, DSM Elastomers America; and H.J.H. Beelen and M. Wilms, DSM Elastomers Europe BV, the Netherlands.

(32) Improved low-temperature resistance polyacrylate elastomers. Isao Kubota and H. Kanno, Zeon, Japan.

(33) A new "intelligent" peptizer concept - better dynamic properties plus improved processing. K.-H. Menting, C. Clarke, R. Galle-Gutbrecht, M. Hensel and T. Mergenhagen, Schill and Seilacher Struktol AG, Germany.

Tuesday, October 16 - Session B Symposium - Rubber recycling

Michael W. Rouse, Rouse Polymerics, and Paul Standley, Zephyr Associates, co-chairs.

(34) Using crumb rubber as a filter media for wastewater filtration. Yuefeng Xie and B.A. Killian, Penn State Harrisburg.

(35) Asphalt modified rubbers: New materials for rubber recycling. Drew E. Williams, R.J. Farris, J.E. Morin and A.R. Tripathy, University of Massachusetts.

(36) Rejuvenation of non-tire rubbers. Hari Chandra, Quantum Polymer.

(37) Thermoreversible crosslinking rubber using supramolecular hydrogen bonding networks. Keisuke Chino, M. Ashiura, J. Natori, M. Ikawa and T. Kawazura, Yokohama Rubber, Japan.

(38) Devulcanization of sulfur-cured isoprene rubber in supercritical carbon dioxide. Masaaki Kojima, K. Ogawa and H. Mizoshima, Toyo Tire & Rubber, Japan, and M. Tosaka and S. Kohjiya, Kyoto University, Japan.

(39) Mechanochemical devulcanization of elastomers. S.S. Sangari, N. Kao, S.N. Bhattacharya and D. Pavel, RMIT University, Australia.

(40) Abrasion and skid resistance of shoe soles with devulcanized scrap rubber content. Chandrasekaran R. Pillai, Quantum Polymer, and T. Miner, Quabaug.

Tuesday, October 16 - Session C Contributed papers

Kent Chasey, ExxonMobil Chemical, moderator.

(41) Strain-induced crystallization and strength of rubber. A.N. Gent and L.-Q. Zhang, University of Akron.

(42) True stress, true strain and birefringence development of orientation in rubbers during uniaxial stretching as detected by spectral birefringence technique: II. The comparison of natural rubber and synthetic polyisoprene rubber. Shigeyuki Toki, State University of New York, and D. Valladares, T.Z. Sen and M. Cakmak, University of Akron.

(43) Improved heat stabilizer system for EPDM. Judy Hannay and H. Bender, Bayer, Canada.

(44) EPDM in windshield wiper blades: Another offspring in the field of automotive applications. H.J.H. Beelen and M.H. Koch, DSM Elastomers Europe BV, the Netherlands, and R. Lay, Valeo Wiper Systems, Germany.

(45) Variation of silica form and surface area on processing, dispersion and compound reinforcement in Keltan 2340A (EPDM). Jeffrey C. Hope, PPG Industries; D.R. Schultz, Harwick Standard Distribution; and S. Hughes, DSM Elastomers.

(46) Superior mechanical properties of ultrasonically recycled EPDM rubber. Jushik Yun and A.I. Isayev, University of Akron.

Tuesday, October 16 - Session D Symposium - Predictive tire testing

Syed K. Mowdood, Pirelli Tire LLC, and Udo Kuhlmann, Pirelli Pneumatici S.p.A., co-chairs.

(47) The friction and wear of rubber - part 2: Micro-mechanical description of intrinsic wear. David P. Gerrard, University of Akron, and J. Padovan, Goodyear Tire & Rubber.

(48) Correlation between road wear of tires and computer road wear simulation using laboratory abrasion data. Karl A. Grosch, VMI EPE Holland BV, the Netherlands.

(49) Parameter dependence and prediction of fatigue properties of elastomer products. T. Alshuth and F. Abraham, Deutsches Institut fur Kautschuktechnologie e.V., Germany, and S. Jerrams, Dublin Institute of Technology, Ireland.

(50) Experimental study and finite element simulation of heat build-up in rubber compounds with application to fracture. Vladimir Kerchman and C. Shaw, Goodyear Tire & Rubber.

(51) Laser based axial-torsional-diametral strain measurement system: An introduction with preliminary results. David P. Gerrard, University of Akron, and A.D. Freed, NASA Glenn Research Center.

(52) Optimization of angle-ply cord/rubber composite using FEA. Khaled A. Hamad and W.K. Binienda, University of Akron.

Wednesday, October 17 - Session A Symposium - Advances in tire polymers

Tony Hongu, JSR America, and Roderic P. Quirk, University of Akron, co-chairs.

(53) New ultra high cis polybutadiene technology through a novel neodymium compound. Hosull Lee, G. Kwag, Y. Jang, D. Yoon and J.G. Lee, Korea Kumho Petrochemical Ltd., Korea.

(54) Control of microstructure in polymerization of butadiene by V[(acac).sub.3] and Co[(acac).sub.3] in combination with methylaluminoxane. Kiyoshi Endo, Y. Yamanaka and N. Hatakeyama, Osaka City University, Japan.

(55) Cobalt-catalyzed synthesis of high trans-1,4 polybutadienes. Kenneth F. Castner, Goodyear Tire & Rubber.

(56) Morphology characterization and reinforcement from syndiotactic 1,2-polybutadiene physical blends. Eric S. Castner, Goodyear Tire & Rubber.

(57) Synthesis, characterization and compound properties of neodymium catalyzed high cis polyisoprene rubber. Michael J. Rachita, Z.G. Xu, M.K. Stockdale and J.L. Bush, Goodyear Tire & Rubber.

Wednesday, October 17 - Session B Symposium - Plasticizers and processing promoters

Lilliane Falco, Rhein Chemie, chair.

(58) Production of petroleum plasticizers. Jimmy M. Rasco, Ergon Refining.

(59) Light-colored paraffinic oils in rubber processing. William D. Nash, Pennzoil-Quaker State.

(60) Structure-property relationships for plasticizers. Robert H. Schuster, Deutsches Institute fur Kautschuktechnologie e.V., Germany, and H.-M. Issel, Rhein Chemie GmbH, Germany.

(61) High-performance ester plasticizers. Stephen O'Rourke, C.P. Hall.

Wednesday, October 17 - Session C Contributed papers

Vipin Kothari, Therm-O-Link, moderator.

(62) Improving the heat resistance of hydrogenated nitrile rubber compounds - part 3: Nature of a new heat stabilizer system. Fred Guerin, H. Bender, E. Campomizzi and J. Gamlin, Bayer, Canada.

(63) Meeting the challenge of extended life coolants with improved rubber compounds based on hydrogenated nitrile rubber. Janet N. Gamlin, Bayer, Canada.

(64) Blends of nitrile rubbers. A.M. Prabhu and M.M. Patel, Apar Industries Ltd., India.

(65) Improved mixing of polyacrylates. Andy Anderson and P.E. Manley, Zeon Chemicals L.P.

(66) Non-lead polyepichlorohydrin elastomer compounds. Clark J. Cable and P.E. Manley, Zeon Chemicals L.P., and P. Abraham, Zeon Chemicals Europe, Great Britain.

Wednesday, October 17 - Session D Contributed papers

Andy H. Tsou, ExxonMobil Chemical, moderator.

(67) Evaluation of processing induced morphology and its relation to mechanical wear of ESBR and SSBR. M. Nadeem Qureshi and H. Qammar, University of Akron, and J. Padovan, Goodyear Tire & Rubber.

(68) Characterization of a binary and tertiary blend of SBR, NBR and PVC by IR spectroscopy. Stephanie R. Shield and G.N. Ghebremeskel, Ameripol Synpol.

(69) Characterization of rubber micro-morphology by atomic force microscopy (AFM). Sang-Gu Kim, I.-H. Jeon, Y. Lim and H.-J. Kim, Hankook Tire, Korea.

(70) Carbon black contaminants: What the compounder needs to know. Stephen Laube and P. Davis, Cabot.

(71) Plasma carbon black, a new material? Nicolas J. Probst, E. Grivei and F. Fabry, Erachem Europe s.a., Belgium; L. Fulcheri, Ecole de Mines de Paris, France; G. Flamant, CNRS/IMP, France; and X. Bourrat, University of Bordeaux, France.

Wednesday, October 17 - Session A Symposium - Advances in tire polymers

Tony Hongu, JSR America, and Roderic P. Quirk, University of Akron, cochairs.

(72) High vinyl elastomers via mixed organolithium and alkali metal alkoxide catalyst. William L. Hsu and A.F. Halasa, Goodyear Tire & Rubber.

(73) Random low vinyl styrenebutadiene copolymers via barium/lithium catalyst. Adel F. Halasa, W.L. Hsu, L.E. Austin and J.R. Zuppo, Goodyear Tire & Rubber.

(74) Random, low vinyl styrene isoprene copolymers - a new approach. C.A. Jasiunas and A.F. Halasa, Goodyear Tire & Rubber.

(75) Recent advances in anionic synthesis of chain-end functionalized elastomers. Roderic P. Quirk, J.-P. Zhou, T. Yoo, T-H. Cheong, K. Jiang and K. Andes, University of Akron.

(76) Structure-property relationships in hyperbranched polyisobutylenes. Judit E. Puskas and C. Paulo, University of Western Ontario, Canada, and V. Altstadt, University of Bayreuth, Germany.

Wednesday, October 17 - Session B Symposium - Plasticizers and processing promoters

Lilliane Falco, Rhein Chemie, chair.

(77) Use of liquid acrylate and polybutadiene coagents as reactive plasticizers. Clay B. McElwee, Sartomer.

(78) Techniques for achieving high hardness EPDM formulations. Rajan G. Vara and C. Grant, DuPont Dow Elastomers LLC, and C. Daniel, DuPont Dow Elastomers SA, Switzerland.

(79) Zinc soap effects on TESPT and TESPD treated silica compounds on processing and silica dispersion during mixing in natural rubber. John Vander Kooi and K.-J. Kim, Struktol Company of America.

(80) New reactive plasticizer/tackifier for tire skim stock and rubber compounds. Jim Robbins, Akron Rubber Development Laboratory, and A. Margida, V. Marsh and M. Mikolay, PolyOne.

(81) New processing promoters in the technical rubber industry. HansMartin Issel and L. Steger, Rhein Chemie GmbH, Germany, and R. Parg, Bayer AG, Germany.

Wednesday, October 17 - Session C Contributed papers

Colleen M. McMahan, Advanced Elastomer Systems, L.P., moderator.

(82) Novel dynamically vulcanized elastomer-polypropylene blends with improved elasticity. Maria D. Ellul, Advanced Elastomer Systems, L.P.

(83) Electrical applications for thermoplastic vulcanizates. Joseph E. Pfeiffer and J. Smola, Advanced Elastomer Systems, L.P., and C. Gustin, Advanced Elastomer Systems NV/SA, Belgium.

(84) TPVs in appliances - a fantastic elastic solution. Robert C. Wegelin and W.E. Narhi, Advanced Elastomer Systems, L.P.

(85) Crosslink densities and phase morphologies in thermoplastic vulcanizates. Maria D. Ellul, Advanced Elastomer Systems, L.P., and A.H. Tsou and W. Hu, ExxonMobil Chemical.

(86) Explosive decompression damage in elastomeric flexible connections. Alok Kumar, AK Consulting Engineers, and M.E. Hogan and D.C. Riggs, Oil States Industries.

(87) Rheology of PVC plastisol, storage modulus and network formed by particle contact. Nobuyuki Nakajima, University of Akron, and E.R. Harrell, Polymer Diagnostics.

Wednesday, October 17 - Session D Contributed papers

Larry Evans, J.M. Huber, moderator.

(88) Rheological model of uncured silica-filled tire compounds: Application to a simple shear start-up flow. Stephane Schaal, Pirelli Pneumatici, Italy, and A.Y. Coran, University of Akron.

(89) Biaxial tensile behavior of rubber vulcanizates: I. Silica and gum stocks. T. Kawamura, Y. Kameda, Y. Ikeda, H. Urakawa and K. Kajiwara, Kyoto Institute of Technology, Japan, and K. Urayama and S. Kohjiya, Kyoto University, Japan.

(90) On the filler flocculation in silica-filled rubbers. Part I: Characterizing the filler flocculation and polymer-filler interactions in the unvulcanized rubbers: C.C. Lin, W.L. Hergenrother and G.G.A. Bohm, Bridgestone/Firestone Research.

(91) Influence of the amount of TESPT and sulfur on the reinforcement of silica-filled rubber compounds. Hans-Detlef Luginsland and A. Wehmeier, Degussa AG, Germany.

(92) Influence of powder surface treatment on the dispersibility of precipitated silica. Alberto Scurati, I. Manas-Zloczower and D.L. Feke, Case Western Reserve University.

(93) Comparative studies on effects of TESPT and TESPD treated silica compounds on processing and silica dispersion during mixing in natural rubber. Kwang-Jea Kim and J. Vander Kooi, Struktol Company of America.

(94) A new generation carbon-silica dual phase filler (CSDF). Part II: Application to passenger tread compounds for improved tradeoff among rolling resistance, wet traction and treadwear performance. Ping Zhang, M.-J. Wang, Y. Kutsovsky, K. Mahmud and S. Laube, Cabot.

Thursday, October 18 - Session A Symposium - Advances in tire polymers Tony Hongu, JSR America, and Roderic P. Quirk, University of Akron, co-chairs.

(95) Processability characteristics of linear and branched butyls. Gabor Kaszas, Bayer, Canada.

(96) Effect of branching on the rheological properties of butyl elastomer. Gabor Kaszas, Bayer, Canada.

(97) Halobutyl and olefin copolymer blends for improved processability. Andy H. Tsou and I. Duvdevani, ExxonMobil Chemical.

(98) Rubber developments for improved life and fuel economy of tires. A.J.M. Sumner and R. Engehausen, Bayer AG, Germany.

(99) Improvement of rolling resistance of silica tire compound by modified S-SBR. Akira Saito, T. Matsuda, H. Yamada and N. Kubo, Asahi-Kasei, Japan.

(100) Chemically modified polymers for tire application. Masao Nakamura, Zeon, Japan.

Thursday, October 18 - Session B Symposium - Rubber adhesives and adhesion

Dennis Damico, Lord, chair.

(101) Lead- and selenium-free adhesives for rubber-to-metal bonding. Brian P. Carney, C.C. Green and J. DiBacco, Lord.

(102) Styrene-isoprene-styrene (SIS) block copolymer based pressure sensitive adhesives. Hiroshi Matsuura and J. Zhang, Canadian Technical Tape Ltd., Canada.

(103) Bonding rubber to reinforcing materials with adhesion-promoting coagents. Richard Costin, Sartomer.

(104) New metal treatment process gives superior flexibility in swage testing. Rebecca Cowles, B. Rearick, H. Kucera and J. Sullivan, Lord.

(105) Silanes as rubber-to-metal bonding agents. Michael J. Moore, Freudenberg NOK.

Thursday, October 18 - Session C Contributed papers

Lou Gatti, J.M. Huber, moderator.

(106) Wing function technology - a new rotor technology - the Farrel Banbury mixer. L.N. Valsamis and F.J. Borzenski, Farrel.

(107) Optimizing mixing in the Farrel Banbury mixer with wing function technology (WFT) rotors. Frank J. Borzenski and L.N. Valsamis, Farrel.

(108) Compounding and extrusion of TPVs - new developments of machinery equipment. Reinhard Uphus, Berstorff GmbH, Germany.

(109) A new gear pump for rubber extrusion. Reinhard Uphus, Berstorff GmbH, Germany.

(110) Updating a torsional dynamic rheometer for Fourier transform rheometry on rubber materials. Jean L. Leblanc and C. de la Chapelle, University P. & M. Curie, France.

(111) Use of RPA 2000 to characterize aramid pulp reinforcement of rubber compounds. D.W. Prior and C.W. Tsimpris, DuPont Advanced Fibers Systems, and A.G. Ferradino, R.T. Vanderbilt.

Thursday, October 18 - Session A Symposium - Advances in tire polymers

Tony Hongu, JSR America, and Roderic P. Quirk, University of Akron, co-chairs.

(112) Elastomers for high performance tires. Georg Weinberg, N.M. Tocchetto Pires, P.L. de Andrade Coutinho and A. de Araujo Ferreira, Clovis Henriques de Lira, Brazil, and C.M. Firemand Oliveira and E. Biasotto Mano, IMA, Brazil.

(113) Evaluation of isobutylene-based elastomers in a model winter tire tread. Walter H. Waddell, J.H. Kuhr and R.R. Poulter, ExxonMobil Chemical.

(114) Reinforcement of BIIR with silica. William Hopkins, W. Von Hellens, A. Koski and J. Rausa, Bayer, Canada.

(115) Bromobutyl in tire treads. William Hopkins, W. Von Hellens, A. Koski and J. Rausa, Bayer, Ontario, Canada.

(116) Use of polyepichlorohydrin elastomers in tire inner liners. Roger Spoerke, C. Cable and P.E. Manley, Zeon Chemicals L.P.

(117) Chemically modified E-SBR. G.N. Ghebremeskel and C. Georgescu, Ameripol Synpol.

(118) Emulsion styrene-butadiene rubber based tire treads with improved properties. Junling Zhao and G.N. Ghebremeskel, Ameripol Synpol.

Thursday, October 18 - Session B Symposium - Rubber adhesives and adhesion

Dennis Damico, Lord, chair.

(119) Adhesion failure in bonded rubber disks. Part 2: Fatigue life prediction of external ring-shaped cracks using tearing energy approach. Douglas C. Leicht, Lord, and C. Rimnac and R. Mullen, Case Western Reserve University.

(120) An alternative to phosphate pre-treatments for use in rubber bonding. Christian M. Restifo, B.A. Sievers and J.C. Bainter, Circle-Prosco.

(121) Adhesives compatible with a new non-phosphate metal pre-treatment. Peter J. Jazenski, T. Coleman and K. Chihara, Rohm and Haas.

(122) Tire-cord adhesion - interface morphology and the influence of cobalt. W.S. Fulton, Rhodia Industrial Specialties.

(123) Post vulcanization stabilizer in compounding for improved durability. Byron H. To and O.W. Maender, Flexsys America L.P., and G. Anthoine, Flexsys N.V., Belgium

Thursday, October 18 - Session C Symposium - Silicone rubber

Gary T. Burns, Dow Corning, James E. Mark, University of Cincinnati, and Timothy A. Okel, PPG Industries, co-chairs.

(124) The effect of interphase coupling on the structure and mechanical properties of in situ filled silica-siloxane composites. Dale W. Schaefer, B.T. Vu and J.E. Mark, University of Cincinnati.

(125) Interactions and chemical reactions of polydimethylsiloxanes with fumed silica fillers. Herbert W. Barthel, Wacker-Chemie GmbH, Germany, and K. Nikitina, Institute of Applied Mechanics, Russia.

(126) Surface energy of silica xerogel and fumed silica by inverse gas chromatography and inverse liquid chromatography. T.K. Wang, J.B. Donnet and Y.J. Li, Ecole Nationale Superieure de Chimie de Mulhouse, France; H. Balard, Institut de Chemie des Surfaces et Interfaces/CNRS, France; and G.T Burns, Dow Corning.

(127) Instant primerless bonding of silicone rubber for assembly operations. David M. Brassard, Silicone Solutions.

(128) Investigation of backing foam-sealant adhesion and sealant cure in sealed joints. S. Iglauer and A.R. Hutchinson, Oxford Brooks University, U.K.; and T.G.B. Jones, Didcot, U.K.

(129) Ultrasonic devulcanization of silicone rubber: A comparative study of precipitated and fumed silica fillers. Sang E. Shim and A.I. Isayev, University of Akron.

(130) Effect of fluid infiltration on the dispersion behavior of fumed silica agglomerates. J. Boyle, I. Manas-Zloczower and D.L. Feke, Case Western Reserve University.

Friday, October 19 - Session A Contributed papers

Ursula Poitras, Goodyear Dunlop Tire, moderator.

(131) Cure system and carbon black effects on NR compound performance in truck tire applications. Bin Chung, H.R. Tomlinson, G. Mouzon and T. Miller, Cheng Shin USA/Maxxis International, and H. Lin, C. Ho and W. Chen, Cheng Shin Rubber, China.

(132) Co-continuity and ozone resistance of BIMS compounds. Ilan Duvdevani, A.H. Tsou and K.O. McElrath, ExxonMobil Chemical.

(133) Scratch and abrasion behavior of elastomers. Mun F. Tse, J.H. Kuhr and A.A. Galuska, ExxonMobil Chemical.

(134) A mechanism for energy dissipation in elastomer deformation. Arun Raman and R.J. Farris, University of Massachusetts.

(135) Study of heat build-up and blowout by microwave. Jung-Ho Son, H.-K. Jung, J.-R. Yoon and H.-J. Kim, Hankook Tire, Korea.

Friday, October 19 - Session B Contributed papers

Brendan Rodgers, Goodyear Tire & Rubber, moderator.

(136) The role of thiol intermediates in 2-mercaptobenzothiazole accelerated sulfur vulcanization of rubber model compounds. Christopher D. Woolard, K.G. Hendrikse and M. van der Horst, University of Port Elizabeth, South Africa.

(137) Effect of crosslink density on cut growth in black-filled natural rubber vulcanizates. Gary R. Hamed and N. Rattanasom, University of Akron.

(138) Cure system effect on low temperature dynamic shear modulus of natural rubber. Pete Spanos, Johnson Rubber.

(139) Real time birefringence, true stress and true strain measurements on different crosslink density natural rubber vulcanizates. David Valladares, T. Sen, S. Toki and M. Cakmak, University of Akron.

(140) Predicting compound property performance with crosslink density distribution in NR compound cured with primary accelerator alone vs. primary/ secondary accelerators such as tetra benzyl and tetra alkyl thiuram disulfides. Sung W. Hong, K.P. Beardsley and P.K. Greene, Uniroyal Chemical.

(141) Characterizing thermally aged networks. Frederick Ignatz-Hoover, Flexsys America, L.P., and R. Datta, Flexsys NV, the Netherlands.

Friday, October 19 - Session C Contributed papers

William L. Hsu, Goodyear Tire & Rubber, moderator

(142) Polydienes by lanthanide catalysts: 15 years of industrial development. Mario Bruzzone, Milanese, Italy.

(143) Hydrotalcite - scavenger of acid chlorides from the polymerization of EPDM. Donald Beuke and T. Nosu, Mitsui.

(144) Long chain branching in EPDM slurry process. Susmita Bhattacharjee, H. Bender, D. Padliya and H. Zahalka, Bayer, Canada.

(145) Stretching the EPDM product design: Dual composition metallocene EPDM. Larry A. Meiske and D.R. Parikh, Du Pont Dow Elastomers LLC, and J. Pillow, DuPont Dow Elastomers SA, Switzerland.

(146) Continuous ultrasonic copolymerization at the interface of immiscible rubber blends. A.I. Isayev and C.K. Hong, University of Akron.

Further information on the 160th Fall Rubber Division Technical Meeting and Exposition is available from the Rubber Division (330) 972-7814.
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People in the News.
Zeon Chemicals L.P. and Nitriflex S.A. form alliance.
Paper calls.
Rubber division plans seminars. (Meetings).
Calendar.
Calendar.
Cleveland hosts Rubber Division.
Calendar.
Rubber Division award winners announced.
Rubber Division meetings--location, location, location.

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