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Providence hosts Rubber Division.

The Rubber Division of the American Chemical Society will hold its 159th Spring Technical Meeting April 24-27 at the Rhode Island Convention Center and the Westin Hotel in Providence, RI.

Seven symposia are scheduled for the meeting and will include: Mathematical modeling; Elastomers in severe service environments; Wire and cable applications; New/novel concepts for vulcanization; Intelligent tires; and Passenger tire materials and performance.

An educational symposium will be held on "Basic tire technology: Medium and heavy duty truck." The Paul Flory Colloquium on Nanocomposites will be held, along with a colloquium on "Dynamics of polymer chains." In addition, several contributed papers sessions are also scheduled.

2001 Charles Goodyear Medalist Yasuyuki Tanaka, retired from the Tokyo University of Agriculture and Technology in Japan, will present his address on Wednesday, April 25 at the 2001 Science and Technology Awards Banquet.

Tanaka has conducted structural studies providing information on the science and technology of natural rubber and diene copolymers.

Tanaka's work covers a large area on both the basic field and application field of elastomers. The former is the elucidation of structural characteristics of natural rubber, which gave the solution to long-standing puzzles on natural rubber, i.e., biosynthesis processes, origin of properties characteristic of natural rubber and the reason why rubber trees produce polyisoprene. The latter is the development of a new method to produce deproteinized natural rubber latex free from protein allergy.

Part of Tanaka's work in this area has contributed to the commercial production of allergy-free deproteinized latex and rubber devices, which contribute to the promotion of human health and also to rubber producing countries and manufacturers of rubber devices.

Tanaka has also contributed to the establishment of a new method to analyze the sequence distribution of styrene-butadiene copolymers by ozonolysis followed by high-resolution GPC measurement. The ozonolysis-GPC method has been widely applied to the molecular design of recent thermoelastic elastomers. This ozonolysis-GPC method has also been widely applied to the molecular design and development of new block copolymers by robber producers and end users, which can be clearly seen in most of the patents dealing with diene thermoplastic elastomers.

Gary R. Hamed of the University of Akron's Polymer Science Department is this year's recipient of the George Stafford Whitby Award.

Hamed has conducted basic research on the adhesion, tack and fracture of rubber. His work has appeared in 100 publications, and he has presented almost 300 papers and short courses.

Hamed was also the recipient of the Rubber Division's Sparks-Thomas Award in 1987.

James E. McGrath, University Distinguished Professor at Virginia Tech, is this year's recipient of the Chemistry of Thermoplastics Award.

McGrath has specialized in the synthesis and chemical structure/physical property relationships in thermoplastic elastomer block copolymers based on styrene and isoprene.

McGrath has completed living anionic polymerization studies, and led one of the original National Science Foundation Science and Technology Centers for 11 years in the area of high performance polymeric adhesives and composites.

The Rubber Division's 25-Year Club Reception and Luncheon will be held on Wednesday, April 25 at 11:30 a.m. The Suppliers' Cooperative Reception will take place Wednesday at 5:30 p.m. The Science and Technology Awards Banquet will take place that evening at 7 p.m.

The Rubber Division Business and Awards Meeting will be held Thursday, April 26 at 11 a.m.

The technical program for the 159th Spring Technical Meeting is as follows:

Tuesday, April 24 - Session A Symposium - Mathematical modeling

A. Le Mehaute, Ismans, chairman.

(1) The simulation of the behavior of hyperelastic materials. J. Charles Craveun and D. Marceau, Ismans, Le Mans, France.

(2) Some features of non-extensive algebras. A. Le Mehaute and L. Nivanen, Ismans.

(3) A new non-extensive theory of statistical physics. L. Nivanen, Q.A. Wang and A. Le Mehaute, Ismans.

(4) Advances in modelization. F. Tsobnang, Ismans, and M. Gerspacher, Sid Richardson Carbon.

(5) Mathematical modeling of the cure of EPDM rubbers and their resistance to liquids. Jean-Maurice Vergnaud, University of St. Etienne, France; K. Azaar, Faculty of Sciences, Tangier, Morocco; and I.D. Rosca, University Politechnica, Budapest, Romania.

Tuesday, April 24 - Session B Symposium - Elastomers in severe service environments

Ronald C. Clark, Busak and Shamban, and William Klingensmith, Akron Consulting, co-chairmen.

(6) Elastomeric materials in reusable space vehicle applications. Rodger N. Capps, Boeing Reusable Space Systems.

(7) Quality and uniformity of aerospace elastomers. Ron Clark, Busak & Shamban.

(8) Perfluoroether elastomer seal development. John Putnam, Pratt and Whitney.

(9) Novel perfluoro applications for aerospace and down hole. Jim Burns, Greene, Tweed & Co.

(10) Rubber in aerospace and semiconductors. Dale Ashby, Parker Hannifin.

Tuesday, April 24 - Session C Contributed papers

(11) Techniques for selecting the right internal mixer. Narku O. Nortey, Skinner Engine.

(12) Real time birefringence development of orientation in rubbers during uniaxial stretching as detected by spectral birefringence technique. Shigeyuki Toki, M. Cakmak and D. Valladares, University of Akron.

(13) Rheology of PVC plastisol - III. Analyses of dilatancy and fracture. Nobuyuki Nakajima, University of Akron, and E.R. Harrell, Polymer Diagnostics.

(14) Rate/temperature response of the peel adhesion of robber bonded to polyethylene terephthalate. Gary R. Hamed and W. Preechatiwong, University of Akron.

(15) Chlorinated paraffins as effective low cost fire retardants for rubber. Daryl Stein and D. Stevenson, Dover Chemical.

(16) Applications of titanate and zirconate coupling agents in thermoplastics and thermoset elastomers - 2001. Salvatore J. Monte, Kenrich Petrochemicals.

Tuesday, April 24 - Session A Contributed papers

Yves de Puydt, Pirelli Coordinamento Pneumatici S.p.A., moderator.

(17) Mooney stress relaxation as a processability indicator. Ryan P. Mitchell and G.N. Ghebremeskel, Ameripol Synpol.

(18) Cure studies of phenolic bonding agents using TGA, FTIR and contact angle. Michael J. Moore, Freudenberg NOK.

(19) Pyrolysis-GC/MS, FTIR and TGA as tools for characterizing binary and tertiary blends of SBR, NBR an PVC. Stephanie R. Shield, G.N. Ghebremeskel and C. Hendrix, Ameripol Synpol.

(20) Structural characterization of the small rubber particles in fresh Hevea latex. Jitladda Sakdapipanich, Y. Tanaka, K. Suchiva and K. Nawamawat, Mahidol University, Bangkok, Thailand, and S. Kawahara, Nagaoka University of Technology, Japan.

(21) Effects of NBR polymer variations on compound properties. R.J. Del Vecchio, Technical Consulting Services, and F. Ferro, Jr., Corry Rubber.

Tuesday, April 24 - Session B Symposium - Elastomers in severe service environments

Ronald C. Clark, Busak and Shamban, and William Klingensmith, Akron Consulting, co-chairmen.

(22) Polymers and rubber in jet propulsion. Michael Meador, NASA Glenn.

(23) Service life prediction of elastomeric components used in severe service environments. Abraham Pannikottu, Akron Rubber Development Laboratory.

(24) Perfluoroelastomers in severe environments: Properties, chemistry and applications. Russell Schnell, M.C. Coughlin and S. Wang, DuPont Dow Elastomers.

(25) Elastomeric seal life prediction a manufacturing approach. Dale M. Ashby, Parker Hannifin.

(26) Naval applications of elastomers. C. Michael Roland, Naval Research Laboratory.

(27) Durability review of elastomer components for severe fluid duties in oilfield engineering and elsewhere. Robert P. Campion, Merl Ltd., U.K.

Tuesday, April 24 - Session C Paul Flory Colloquium: Nanocomposites

Rex P. Hjelm, Los Alamos National Laboratory, and Alan I. Nakatani, Rohm and Haas, co-chairmen.

(I) Role of interfaces in rubber elasticity. Robert H. Schuster, Deutsches Institut fur Kautschuktechnologie e.V., Hannover, Germany.

(II) Nanoparticle chain aggregates as building blocks for elastic materials. Sheldon K. Friedlander, University of California - Los Angeles.

(III) Rheological studies on filled elastomers and nanofiller-polymer composites. S.S. Sternstein and A.J. Zhu, Rensselaer Polytechnic Institute.

(IV) Constitutive modeling of the large strain time-dependent behavior of particle filled elastomers. Jorgen Bergstrom, Exponent, and M.C. Boyce, MIT.

(V) Intercalation of polymer melts in layered nanostructures: A coarse-grained molecular dynamics study. Barry L. Farmer and R.A. Vaia, Air Force Research Laboratory, and R.K. Baradwaj, Avery Research Center.

Wednesday, April 25 - Session A Educational Symposium - Basic tire technology: Medium and heavy duty truck

Terry Dee and William Hopkins, Bayer Rubber, co-chairmen.

(A) Overview of medium radial truck and off the road tire technology. Jennifer L. Gabor and B. Rodgers, Goodyear Tire & Rubber.

(B) Off road tire construction. Joel P. DeGlopper, Continental General Tire.

(C) Textile cord technology. Laura A. Murphy, DuPont.

Wednesday, April 25 - Session B Symposium - Wire and cable applications

Vipin Kothari, Therm-O-Link, chairman.

(28) Insulation materials for wire and cable applications. Joey L. Mead and H. Liu, University of Massachusetts - Lowell.

(29) Blends of EPDM and metallocene plastomers for wire and cable applications. George J. Pelhert, N.R. Dharmarajan and P.S. Ravishankar, ExxonMobil Chemical.

(30) Coagent selection for wire and cable applications. C. Richard Costin, Sartomer.

(31) Antioxidant selection for peroxide cure elastomer applications. Anthony G. Ferradino, R.T. Vanderbilt.

(32) High temperature oxygen index values of common cable materials. Bob DeMair, Okonite.

Wednesday, April 25 - Session C Paul Flory Colloquium: Nanocomposites

Rex P. Hjelm, Los Alamos National Laboratory, and Alan I. Nakatani, Rohm and Haas, co-chairmen.

(VI) Molecular mechanisms of failure in polymer nanocomposites. Dilip Gersappe, Suny-Stony Brook.

(VII) Nonlinear optical probes of polymer surfaces. Ali Dhinojwala, University of Akron.

(VIII) Comprehensive structural study of pre- and post-heat treated compression molded polyurethane samples of varying composition studied by scanning probe techniques. Marilyn E. Hawley, E.B. Orler, D.A. Wrobleski and G.W. Brown, Los Alamos National Laboratory.

(IX) Dynamics of clay filled polymers. Robert Ivkov, National Institute of Standards and Technology.

Wednesday, April 25 - Session A Symposium - New/novel concepts for vulcanization

Fred Ignatz-Hoover, Flexsys America L.P., chairman.

(33) Modifying the performance of sulfenamide accelerators with thiurams. Dwight W. Chasar, BFGoodrich.

(34) Use of metallic coagents for property enhancement in peroxide curing. Clay B. McElwee, Sartomer.

(35) The characterization of hybrid bridges generated with the polycarbasulfanes [Sn(CH2)x]p (n = 2-4, x=l, 2, 3, 6) as crosslinking agents. Josef Hahn, Institut de Anorg. Chemie, Koln, Germany.

(36) Basic study of the process of cure of EPDM rubbers with MDR and calorimetry. Jean-Maurice Vergnaud, University of St. Etienne, France; K. Azaar, Faculty of Sciences, Tangier, Morocco; and I.D. Rosca, University of Politechnical, Budapest, Romania.

(37) High molecular weight tetra alkyl thiuram disulfide (TATD) in tire compounds to increase cure rate without sacrificing scorch safety and dynamic properties. Sung W. Hong, M.J. Hannon and J. Kounavis, Uniroyal Chemical.

(38) Robust rubber processing using in-mold impedance sensors: Designed experiments with temperature and compound variation. Richard Magill, Signature Control Systems.

(39) Processable low temperature cure (PLTC) natural rubber compound for a high duty offshore oil-production engineering application. Robert P. Campion and M. Lewan, Merl Ltd., U.K.

Wednesday, April 25 - Session B Symposium - Wire and cable applications

Vipin Kothari, Therm-O-Link, chairman.

(40) Automotive primary wire development based on Engage polyolefin elastomers. Vijay Kotian, DuPont Dow Elastomers.

(41) Stabilization of polyolefin compounds for wire and cable applications. Robert E. Lee, K.S. Pearson, C. Doumen and J.W. Kim, Great Lakes Chemical.

(42) Water treeing: Electro-oxidation in shield distribution cable, EPR vs. XLPE. Steven Boggs, University of Connecticut.

(43) Halogen-free thermoplastic elastomers for flexible wire and cable applications. Joseph E. Pfeiffer and C. Gustin, Advanced Elastomer Systems, L.P.

(44) Guidelines for success in specifying bedding compounds. Duane J. Plewacki, M.A. Hanna Cable Systems.

(45) Fundamental process analysis in wire and cable manufacturing. Daniel D. Masakowski, Rockbestos Surprenant Cable.

(46) Modeling of extrusion wire coating. C.M.F. Barry, University of Massachusetts-Lowell.

Wednesday, April 25 - Session C Paul Flory Colloquium: Nanocomposites

Rex P. Hjelm, Los Alamos National Laboratory, and Alan I. Nakatani, Rohm and Haas, co-chairmen.

(X) Self-assembled silica gels and networks: Rheology and microstructure. Saud A. Khan, North Carolina State University.

(XI) Flow behavior of synthetic clay/polymer solutions. Alan I. Nakatani, G. Schmidt, A. Karim and C.C. Han, National Institute of Standards and Technology, and P.D. Butler, Oak Ridge National Laboratory.

(XII) Mechanical reinforcement and nanostructure in POSS-based thermosets. Patrick T. Mather, University of Connecticut.

(XIII) Functionalized POSS reinforcement. Brent D. Viers, Air Force Research Laboratory.

(XIV) Nanotube composites. David Carroll, Clemson University.

Thursday, April 26 - Session A Educational Symposium - Basic tire technology: Medium and heavy duty truck

Terry Dee and William Hopkins, Bayer Rubber, co-chairmen.

(D) Truck tire construction - past, present, future. Guy S. Edington, Kumho Technical Center.

(E) Steel cord technology. Jim Goodrich, ATR Wire & Cable.

(F) Extending tire life: An overview of retread technology. Martin L. Morrow, Bandag.

Thursday, April 26 - Session B Colloquium - Dynamics of polymer chains

Michel Gerspacher, Sid Richardson Carbon, and Robert H. Schuster, Duetsches Institut fur Kautschukteknologie e.V., co-chairmen.

(XV) Thermodynamic basis for some time-dependent behavior in polymers. Puru D. Gujrati, University of Akron.

(XVI) Entropic barrier model of polymer dynamics. M. Muthukumar, University of Massachusetts.

(XVII) Applications of dynamic Monte Carlo methods to polymeric hydrocarbons. Wayne L. Mattice, University of Akron.

(XVIII) Rheology of hyperbranched polyisobutylenes. C. Michael Roland and C.G. Robertson, Naval Research Laboratory, and J.E. Puskas, University of Western Ontario.

(XIX) High sensitive Fourier transform rheology. Manfred Wilhelm, H.W. Spiess, D.V. Dusschoten and T. Neidhofer, Max-Planck-Institut fur Polymerforschung, Mainz, Germany.

Thursday, April 26 - Session C Symposium - Intelligent tires

Brian Logan, Goodyear Tire & Rubber, chairman.

(47) Historical background of smart tires and sensing. Howard M. Cohn.

(48) Intelligent tires for radial medium trucks. Brian Logan, Goodyear Tire and Rubber.

(49) The effects of sensing technology on the mining industry. Darrin Landes, Goodyear Tire and Rubber, and K. Barrowman, Fording River Mine Operations, British Columbia, Canada.

(50) Emerging smart sensing structures. George C. Giakos, Imaging Devices.

(51) Future sensor tires. Michael Aube, Goodyear Tire and Rubber.

Thursday, April 26 - Session A Symposium - Passenger tire materials and performance

Martin L. Engelhardt, Yokohama Rubber, and Lou Gatti, J.M. Huber, co-chairmen.

(52) Rheological characterization and compound properties of branched versus linear solution styrene-butadiene rubber. Steven K. Henning and M.L. Kerns, Goodyear Tire and Rubber.

(53) Improved processing with thermoplastic bound silane coupling agents. Andrew L. Tisler, Rhein Chemie.

(54) Relationship between secondary structure of silica and mechanical properties of silica filled rubber systems. Fumito Yatsuyanagi and H. Kaidou, Yokohama Rubber, Kanagaw, Japan, and N. Suzuki and M. Ito, Science University of Tokyo, Japan.

(55) A new carbon-silica dual phase filler (CSDPF) to improve the tradeoff among rolling resistance, wet skid resistance and abrasion resistance for passenger tires. Meng-Jiao Wang, Y. Kutsovsky, P. Zhang, L. Murphy, S. Laube and K. Mahmud, Cabot.

(56) Fate of migration in rubber. Byron H. To, G. Anthione and F. Ignatz-Hoover, Flexsys America L.P.

(57) Reduced silane usage in wet traction oriented compounds through high surface activity-reduced surface area highly dispersible silica or through high density filler blends. Lou Gatti, J.M. Huber.

Thursday, April 26 - Session B Colloquium - Dynamics of polymer chains

Michel Gerspacher, Sid Richardson Carbon, and Robert H. Schuster, Deutsches Institut fur Kautschukteknologie e.V., co-chairmen.

(XX) Macro- and Micro-structural determined viscoelastic behavior by Taylor-made polydienes. Jens Meier, M. Kluppel and R.H. Schuster, Deutsches Institut fur Kautschuktechnologie e.V., Hannover, Germany, and E. Giebeler, Bayer AG, Leverkusen, Germany.

(XXI) Multiscale simulation for the design of filled and nano-filled polymers. Sharon C. Glotzer, University of Michigan, and F.W. Starr, National Institute of Standards and Technology.

(XXII) Temperature dependent mobility of bound rubber by neutron backscattering spectroscopy. Alan I. Nakatani, R. Ivkov, P. Papanek and R.M. Dimeo, National Institute of Standards and Technology, and H. Yang and M. Gerspacher, Sid Richardson Carbon.

(XXIII) Adsorption of single polymer chain on surface - an MD study. Andreas Michel and D. Goeritz, Universitat Regensburg, Germany.

Friday, April 27 - Session A Contributed papers

Ursula Poltras, Goodyear Dunlop Tires, moderator.

(58) Mooney viscosity stability and polymer-filler interactions in silica-filled rubbers. C.C. Lin, W.L. Hergenrother and A.S. Hilton, Bridgestone/ Firestone Research.

(59) Influence of different silanes on the reinforcement of silica filled rubber compounds. Hans-Detlef Luginsland, A. Hasse and A. Wehmeier, Degussa-Huls AG, Hurth-Kalscheuren, Germany.

(60) Effect of silane coupling agent on natural rubber filled with silica generated in situ. Shinzo Kohjiya and M. Tosaka, Kyoto University, Japan; Y. Ikeda, Kyoto Institute of Technology, Japan; K. Murakami and S. Iio, Tokai Rubber Industry Ltd., Aichi, Japan; and H. Ito, Heian Jogakuin College, Osaka, Japan.

(61) Carbon-coated silica for elastomer reinforcement. Doug Kohls and G. Beaucage, University of Cincinnati, and S.E. Pratsinis and H. Kammler, Institute of Process Engineering, Zurich, Switzerland.

(62) Effects of presence of high gel on the processability of carbon black masterbatch. Junling Zhao and G.N. Chebremeskel, Ameripol Synpol.

(63) Effect of gel on the green strength of natural rubber. Seiichi Kawahara and Y. Isono, Nagaokoa University of Technology, Niigata, Japan, and J. Sakdapipanich and Y. Tanaka, Mahidol University, Bangkok, Thailand.

Friday, April 27 - Session B Contributed papers

Larry R. Evans, J.M. Huber, moderator.

(64) Characterization of crack toughness behavior of unfilled and filled elastomers. Katrin Reincke, W. Grellmann and R. Lach, Martin Luther University, Halle, Germany, and G. Heinrich, Continental AG, Hannover, Germany.

(65) Contributions of time dependent and cyclic crack growth to the crack growth behavior of non-strain-crystallizing elastomers. Katsuhiko Tsunoda, J.J.C. Busfield, A.G. Thomas and C.K.L. Davies, Queen Mary and Westfield College, U.K.

(66) The friction and wear of rubber - part 2: Micromechanical description of intrinsic wear. David P. Gerrard, and J. Padovan, University of Akron.

(67) Preparation of rubber sheets with a different hardness on each face. Jean-Maurice Vergnaud and R. Granger, St. Etienne University, France; K. Azaar, Faculty of Sciences, Tanger, Marocco; and I.D. Rosca, University Politechnica, Budapest, Romania.

(68) Influence of structure and specific surface area on soft carbon blacks on the electrical resistance of filled rubber compounds. Werner Niedermeier, J. Frohlich and P. Messer, Degussa-Hula AG, Hurth-Kalscheuren, Germany.

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

In addition to the technical program, the Rubber Division will hold its Rubber Technology Workshop on Tuesday and Wednesday, April 23-24, in conjunction with the 159th Spring Technical Meeting.

Krishna C. Baranwal of Akron Rubber Development Laboratory will be the course instructor.

This course is designed for compounders, chemists, engineers, technical support and sales personnel, and manufacturing chemists and engineers.

Speakers will include rubber/polymer chemists and professors, consultants and industrial experts.

This course will provide basic background on natural rubber, SBR and specialty polymers such as silicone, nitrile rubbers and polyurethane. Discussion also will include processing of rubber compounds and vulcanization of rubber. Emphasis will be placed on physical testing and dynamic properties.

Course notes will be provided, and attendance is limited to 35 students. Registration for the course costs $450 for Rubber Division members and $500 for non-members. Deadline for registration is March 26.

Further information on the Rubber Division's 159th Spring Technical Meeting is available from the Rubber Division (330) 972-7814.
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