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ContentsCOLOR AND APPEARANCE DIVISION

Pigments in Plastic Food Contact Packaging Canadian Health Safety Evaluation 2G. W. Tarbet, Bureau of Chemical Safety, Health and Welfare CanadaFine Particle TiO2—A Brief Introduction 5B. J. Meldrum, Tioxide UK Ltd.Liquid Color—Worth Considering Again 9R. L. Abrams, Ferro CorporationNew High Loaded White Concentrates 12K. Hattori and S. Morford, Polycom Huntsman Inc.Carrier Resin for a Multi-Polymer Solid Color Concentrate 15R. Popli, D. H. Mauer, and D. E. Witenhafer, S C. Johnson and Son, Inc.Discoloration of Pigmented Polyolefins—A Review and New Directions 19D. A. Holtzen, DuPont ChemicalsStudies of the Use of Dibasic Organic Acids for the Deactivation of Pigment-InducedDiscoloration in Polymer Systems 24A. H. Reid, Jr. and D. A. Holtzen, DuPont ChemicalsImpact Properties of Rutile-Filled Thermoplastics 30S. Rong and H. R Schreiber, Ecole Polytechnique de MontrealA. Haber, Tioxide Canada Inc.An Evaluation of a Cadmium Free Red Pigment System in Nylon 33M. P. Sepe, Dickten & Masch Mfg. Co.The Color Measurement and Color Formulation of Plastic Surfaces Which Differin Specular Reflectance 37J. Deak, ACS-Datacolor

EXTRUSION DIVISION

Slow Motion Filming and Predictive Modelling of a Gelimat K-Mixer 40S. Frenken, D. Lyons, and W. E. Baker, Queen's University at KingstonExtrusion Vacuum Sizing Techniques for Flexible Tubes 46B. Bessemer, Killion Extruders, Inc.Using Piston Pumps to Generate Extruder Discharge Pressure and Regulate Back Pressure 50I R Harrington, C+H Engineers, Inc.A Cam-Driven Probe for Measurement of the Temperature Distribution in an Extruder Channel 54M. Esseghir, Stevens Institute of TechnologyV Sernas, Rutgers—The State University of New JerseyComputer Aided Design of Wire Coating Dies 58B. Arpin and R G. Lafleur, Ecole Polytechnique de MontrealV. Lenin Northern Telecom Canada LimiteeAn Experimental Study of the Factors Affecting the Layer Thickness Uniformityof Coextruded Structures 62J. Dooley and B. Stout, The Dow Chemical CompanyThe Influence of Extrusion Parameters on the Degradation of Polypropylene 66E. L. Steward, Crompton & Knowles Corp.M. Bradley, Himont, IncEffects of Molecular Weight Distribution on Single Screw Extrusion 74R. E. Christensen and C. Y. Cheng, Exxon Chemical Company

ANTEC '91 / i x

Investigation into the Effect of Processing Conditions on the Properties of Polymer OpticalFibres Consisting of PMMA 790. Appel and W. Michaeli, Insitut fur KunststoffverarbeitungUse of Statistical Methods to Optimize the Extrusion Process i 83A. F. Dean and L. Lightner, Ferro CorporationBarrier Screw Performance of Small Extruders 88J. R. Thompson, Crompton & Knowles Corp.Starve-Fed Flow in Co-Rotating Twin Screw Extruders 92K. Cassidy and D. Bigio, University of MarylandMixing of Solid and Liquid Additives into Polymers Using Single Screw Extruders 95G. M. Gale, Rapra Technology LimitedFundamentals of Polymer Compounding—Part II: Simulation of PolymerCompounding Process 99C.-K. Shih, E. I. du Pont de Nemours & Co., Inc.Mixing in Single Screw Extruders: The Effect of Mixing Pins 105C. Miaw, G. Balch, and A. Vlosky, Process Engineering & Chemistry LaboratoryThe Continuous Thin Film Reactor Using Ten Intermeshing Screws 109M. Mack and A. Pfeiffer, Berstorff CorporationExperimental Identification of the Distribution of Fluid Stresses in Continuous MeltCompounders, Part II 114J. Curry and A. Kiani, Werner & Pfleiderer CorporationDevolatilization of Polymer Melts: II. More Machine Geometry Effects 119J. A. Biesenberger, N. Wang, S. K. Dey, and Y. Lu, Polymer Processing InstituteDie Designs for Compounding Fiberglass Strand on the Co-Rotating Twin Screw Extruder 122J. Grillo and P Andersen, Werner & Pfleiderer CorporationE. Papazoglou, ARCO Chemical CompanyThe Investigation on Melt Conveying and Mixing Mechanism of Wave Screw Element inCo-Rotating Intermeshing Twin Screw Extruder 128X. Geng and C. Zhu, Beijing Institute of Chemical TechnologyDemixing Effects in Single Screw Extruders 132C. J. Rauwendaal, Rauwendaal Extrusion Engineering, Inc.Flow and Mixing Analysis in a Rhombic Mixing Element 137L. Czyborra and W. Michaeli, Institut fur KunststoffverarbeitungModeling Mixing in Continuous Mixers: Effect of Backmixing 141E. L. Canedo and L. N. Valsamis, Farrel CorporationA Study of the Mixing Abilities of the NITSE Using a Newtonian Fluid 146D. Bigio and W. Bairn, University of MarylandExperimental Study of Distributive Mixing in a Co-Rotating Twin Screw Extruder 149F. Burbank, F. Brauer, and R Andersen, Werner & Pfleiderer CorporationThe Versatility of Grooved Feed Extrusion 153W. W. Bode, Battenfeld Gloucester EngineeringBlown Film Extrusion Optimization—Control and Screws 158E. W. Veazey and N. Barrera, The Dow Chemical CompanyDetermining Equipment Size for Blown Barrier Film Extrusion 170R. Knittel, Sano, Inc.Effects of Bubble Cooling on Performance and Properties of HMW-HDPE Film Resins 178W. D. Harris, C. A. A. Van Kerckhoven, and L. K. Cantu, Dow Chemical U.S.A.Barrier vs. Conventional Screw Design: A Field Performance Study 183J. R Christiano, John Brown, Inc.Gear Pumps in Film Applications—Mono, Coextrusion, and Recycling 189T. Bartilla and R Andersen, Maag Pump SystemsThe Use of Real Time Video Techniques in the Analysis of Blown Film Instability 194R A. Sweeney and G. A. Campbell, Clarkson UniversityOptimizing Sheet Extrusion Conditions to Minimize Internal Stresses inThermoformed Sheet 198T. W. Womer, NRM-Steelastics CorporationThe Use of Deformation Rates in the Scale-Up of Polyethylene Blown Film 203D. M. Simpson and I. R. Harrison, The Pennsylvania State UniversityLLDPE Resins for High Output Blown Film Extrusion 206D. L. Cooke and M. Koyich, Novacor Chemicals Ltd.

X/ANTEC '91

Film Properties and Applications for LLDPE and High Pressure LDPE Blends 211F. J. Velisek, Mobil Chemical Co.Experimental Investigation of the Drag Flow Assumption in Extruder Analysis 219G. A. Campbell, R A. Sweeney, and J. N. Felton, Castle AssociatesA Model for Feeder-Extruder Interactions ? 223J. H. Conner and D. I. Bigio, University of MarylandComparison of Two Models for Single-Screw Extrusion 228A. R. Vincelette, K. Amellal, R G. Lafleur, and R J. Carreau, Ecole Polytechnique de MontrealBlend Morphology Development in a Single Screw Extruder 232A. K. Ghosh, S. Ranganathan, and J. T. Lindt, University of PittsburghS. Lorek, Atochem

INJECTION MOLDING DIVISION

The Use of Shrinkage vs. Time Plots to Improve Productivity in Fine Tolerance Molding 238M. R Sepe, Dickten & Masch Mfg. Co.Assessment of Shrinkage and Warpage Using an Integrated Analysis of Molding Dynamics 242H. H. Chiang and K. Himasekhar, Advanced CAE Technology, Inc.N. Santhanam and K. K. Wang, Cornell UniversityS. Lautenbach, General Electric Co.Two-Dimensional Packing Analysis of a Viscoelastic Melt 247K. I Nguyen and M. R. Kamal, McGill UniversityThe Effect of Processing Conditions on Shrinkage 252D. Pierick, University of LowellR. Noller, GE PlasticsInjection Molding a Center-Gated Disk: Modelling and Measurements for the Filling andPost-Filling Stages Including Gapwise Shrinkage 259C. A. Hieber, R J. Wang, and K. K. Wang, Cornell UniversityMold Filling Simulations—Do They Provide the Needed Answers? 264D. Weissmann, Monsanto Chemical CompanyIntegrated CAE of Injection Molding Using a Three-Layer Approach 267K. K. Wang, Cornell UniversityK. Himasekhar, H. H. Chiang, W. R. Jong, and V. W. Wang, Advanced CAE Technology, Inc.An Integrated Analysis of the Injection Molded Plastic Parts 274A. Davidoff, CisigraphH. Bung, French Atomic CommitteeS. C. Chen, Chung Yuan Christian UniversityVerification of Simulation Program 282C. F. Friedl and G. Sherbelis, Moldflow Pty. Ltd.An Integrated Technical Approach for Developing New Tooling for Injection Molding 286G. E. Kisch, C. Magaw, and M. Burduroglu, Nypro IncorporatedHow to Assess CAE Injection Mold Packing Softwares 291K. Palit and I.-J. Chen, David Sarnoff Research CenterSimulation of Co-Injection and Gas-Assisted Injection Molding 297L. S. Turng and V. W. Wang, Advanced CAE Technology, Inc.Experimental Study of Processing Conditions on Shrinkage and on Warpage ofInjected Parts 301R Delbarre and J. Pabiot, Ecole des Mines de DouaiF. Rietsch, Universite de Lille Flandres-ArtoisJ.-F. Daurelle and V. Lamblin, RenaultOptimizing Injection Molding of Thinwall Containers 305D. K. Belcher and S. M. Hoenig, Dow Chemical U.S.A.Improving the Precision of Injection Molding of ABS Resins 309B. J. Furches and R. Bujanowski, The Dow Chemical CompanyEffect of Melt Flow Index and Injection Conditions on the Flexural Dynamic MechanicalProperties of Injection Molded Polypropylene 314B. Sanschagrin, N. Amdouni, and B. Fisa, Ecole Polytechnique de MontrealA Study of Fiber Orientation and Microvoid Content in Long Fiber ReinforcedInjection Molded Parts 319M. Thiery and B. Sanschagrin, Ecole Polytechnique de Montreal

ANTEC '

Fibre Orientation Prediction 326C. Friedl and R. Brouwer, Moldflow Pty. Ltd.Crystallisation Prediction in Injection Molding 330C. F. Friedl and N. J. McCaffrey, Moldflow Pty. Ltd.Birefringence Measurements of Injection-Molded Disks 333K. Yoon and K. K. Wang, Cornell UniversityStatistical Experiment Design for the Optimization of Snap-Fit Hinges by FiniteElement Analysis 338U. Mohr-Matuschek and W. Michaeli, Institut fur KunststoffverarbeitungImprovements in Closed Loop Control of Thermoplastic Injection Molding Processes 343K. Srinivasan, 1. Srinivasan, and G. R Maul, The Ohio State UniversityRigorous Mold Tryouts—The Key to SPC 346R. J. Groleau, FUG AssociatesCase Studies in Process Analysis for Injection Molding 352W. D. Cooper, Venture Technology CompanyAdvances in Injection Molding Machine Controls 356M. Urquhart, Husky Injection Molding SystemsVisual Observation of Three-Dimensional Melt Flow Inside a Mold Cavity byGate-Magnetization Method 358H. Yokoi and S. Kamata, University of TokyoT. Kanematsu, Ricoh Company, Ltd.Knit Line Appearance Prediction Utilizing Mold Filling Simulation 363D. Krasnecky, Monsanto Chemical CompanyVisual Analysis of Weld Line Vanishing Process by Glass-Inserted Mold 367H. Yokoi and Y. Murata, University of TokyoK. Oka, Toyo Machinery & Metal Co., Ltd.H. Watanabe, Munekata Co. Ltd.Automatic Interpretation of Weld/Meld Lines in Injection Molding: Experimental Verification 372S. Lautenbach, General Electric Co.H. H. Chiang and W. R. Jong, Advanced CAE Technology, Inc.K. K. Wang, Cornell UniversityCharacterization of the Flow Properties of a Polycarbonate for Injection Molding Applications 377V. Atluri and R. Malloy, University of LowellInjection Molding Machine Control Algorithms 383D. H. Harry, GMI Engineering & Management Institute

'Linear and Nonlinear Buckling of Injection Molded Components 387S. F. Walsh, Moldflow Pty. Ltd.

'Varying Molecular Weight Polystyrenes and Their Weldline Strengths vs. Mold Temperature 391S. L. Janicki and R. B. Peters, The Dow Chemical Company

'How to Measure Weldline Strength in Reinforced Injection Molded Parts 396B. Fisa and M. Rahmani, Ecole Polytechnique de Montreal

'Prediction of Weldline Strength in Filled Thermoplastics 400M. Rahmani and B. Fisa, Universite de Moncton

'Weldline Integrity of Long Glass Fiber Reinforced Polypropylene 404F. Lalande, Ecole Polytechnique de Montreal

'Tensile Behavior of Glass Flake Polypropylene Composites at Small Strains: MatrixNonlinearity and Damage Accumulation 407A. Bouti and B. Fisa, Ecole Polytechnique de Montreal

'Molded Parts Discharged without Opening the Mold 412G. Galic and S. Maus, Ga//c Maus Ventures

'Managing Hot Runner System Thermal Expansion 417S. Fox and S. Holjevac, Mold-Masters Limited

'Modern Material Choices for Injection Molds 420E. Tarney, Crucible Specialty Metals

'Film Valve: Advancing Hot Runner Valve Gates 427D. S. Vettor, Mold-Masters Limited

'Effect of Inserts on Shrinkage in Injection Molded HDPE Disks 430L. R Hebert, R Girard, and G. Salloum, Industrial Materials InstituteM. Gaudreault, IPL Inc

'Indicates paper presented in joint session.

Xi i /ANTEC '91

Melt Conveying in Reciprocating Extruders 433C. Rauwendaal, Rauwendaal Extrusion Engineering, Inc.Expert System for Molding Trouble-Shooting 436E. C. Bernhardt and G. Bertacchi, Plastics & Computer, Inc.Architecture of an Expert System for Injection Molding Problems T 439I C. Jan and K. T. O'Brien, New Jersey Institute of TechnologyDevelopment of an On-Line Cavity Pressure-Based Expert System for InjectionMolding Process 444J. L. Wu, S. J. Chen, and R. Malloy, University of LowellSystematic Molding for Accurate Comparisons: Part to Part, Resin to Resin, Plant to Plant,and Lot to Lot 450J. W. Bozzelli, The Dow Chemical CompanyInjection Molding and Rheological Comparison of New Ignition Resistant PC/ABS Blends 455M. R. Christy, The Dow Chemical CompanyScrew Design for Reciprocating Extruders 459C. J. Rauwendaal, Rauwendaal Extrusion Engineering, Inc.Effects of Screw Design on Melt Temperature Uniformity Within a Shotin Injection Molding 464O. Amano and S. Utsugi, Nippon Petrochemicals Co.Advanced Screw Design Applied to Semi-Crystalline Thermoplastic Resins 469M. P Sepe, Dickten & Masch Mfg. Co.Injection Molding Process Variation before and after an Interruption 474C. C. Davis and J. C. Hudson, GMI Engineering & Management InstituteTensile Behavior of Glass Flake Polypropylene Composites at Small Strains MatrixNonlinearity and Damage Accumulation 477A. Bouti and B. Fisa, Ecole Polytechnique de MontrealHeat Transfer Measurement at the Mold Surface During Injection Molding ofThermoplastic Melts 483M. R. Kamal and A. T. Mutel, McGill UniversityG. Salloum and A. Garcia-Rejon, Industrial Materials InstituteComparison of Predicted and Experimental Residual Stress for InjectionMolded Polystyrenes 488G. A. Campbell and C. Wang, Clarkson UniversityPost-Filling Simulation and Analyses of Shrinkage and Warpage of the InjectionMolded Parts 493S.-C. Chen, N.-T. Cheng, and K.-K. Jeng, Chung-Yuan UniversityHybrid Methods for Injection Mold Cooling Process Simulation andMold Cooling System Analysis 499S.-C. Chen and S. Y Hu, Chung-Yuan Christian UniversityA. Davidoff, CisigraphPerforming an Energy Audit on an Injection Molding Process 504R. E. Farrell, J. P Beaumont, and R E. Koch, The Pennsylvania State UniversityAnalysis of Mold Filling for Powder Injection Molding Processes 508L. A. Najmi and D. Lee, Rensselaer Polytechnic InstituteMetal Injection Moulding—Freedom in Design for Sintered Metal Components 512R. Bielzer, Institut fur KunststoffverarbeitungInjection Molding Machines for Metal Applications 516D R. Tremblay, Battenfeld of America, Inc.

'Residual Stresses in Injection Molded Polycarbonate Rectangular Bars 1703H. T. Pham, C. R Bosnyak, and K. Sehanobish, The Dow Chemical Company

'Morphology and Mechanical Properties of an Injection Moulded Blend ofPolycarbonate and Polybutylene Terephthalate 1710M. Cremer, Institut fur Kunststoffverarbeitung

ELECTRICAL AND ELECTRONIC DIVISIONMolded Interconnect Devices (MIDs): A Technology Overview and Applications Review(U.S./Far East Markets) 520D. C. Frisch, Mitsui-Pathtek CorporationA New Liquid Crystal Polymer for Electronic Components 527F. C. Jaarsma and R Joswick, Hoechst Celanese Corporation

ANTEC '97 /x i i i

Advantages of Polyetherimide in 3-Dimensional Molded Interconnects 531R. Pontillo, G£ PlasticsThermal Reliability of Metallized Polyetherimide 535B. R. Karas, D. F. Foust, and G. M. Porta, GE Corporate Research and Development •Injection Molded Engineering Thermoplastics: A Critical Evaluation of Processabilityand Part Dimensional Stability 541H. Efner and A. South, Phillips Petroleum CompanyT. Largent, D. Allen, and D. M. Lee, Phillips 66 CompanyComparison of the Properties of Cyanate Ester Printed Circuit Boardswith Various Reinforcements 543D J. Vaughan, Clark-Schwebel Fiber Glass CorporationA Novel Acrylic Conformal Coating with Small Young's Modulus(Study of Solder Joint Crack Mechanism) '. 548E. Omori, M. Obara, and K. Kadotani, Hitachi Chemical Co., Ltd.ESD Polymer Alloys Considerations for Electrical Property Optimization 551T. R. Mass and T. E. Fahey, BFGoodrich CompanyAdvanced Thermoplastic Composites for Integrated Circuit Test Carrier Applications 557K. R. Quinn, L. A. McCullough, and C. A. Carreno, ICI Advanced MaterialsEMI Shielding Effectiveness of Conductive Composites 566G. Gupta and H. Yee, Texas Instruments IncorporatedElectroconductive Fabric by Non-Woven Process 571A. Nakabayashi and M. Yoshizumi, Mitsubishi Materials CorporationEffects of Carbon Black and Peroxide on Crosslinking in Semiconductive EVA's 575P Choi and A. Rudin, University of WaterlooS. Haridoss, AT Plastics Inc.

'Electrical Conductivity in Heterogeneous Polymer Systems (V) (1): Further ExperimentalEvidence for a Phase Transition at the Critical Volume Concentration 660B. Wessling, Zipperling Kessler & Co.

'Processible Intrinsically Conductive Polymer Blends 663V. G. Kulkarni, W. R. Mathew, J. C. Campbell, C. J. Dinkins, and R J. Durbin, Americhem Inc.

*EMI Shielding of Intrinsically Conductive Polymers 665L. W. Shacklette and N. F. Colaneri, Allied-Signal, Inc.V. G. Kulkarni, Americhem Inc.B. Wessling, Zipperling Kessler & Co.

'Electromagnetic Shielding Efficiency of Some Intrinsically Conducting Polymers 668S. M. Rowland and A. R. Blythe, BICC Cables Ltd.

'The Chemical Control of Processibility, Electromagnetic Response and Other Propertiesof Polyanilines and Their Applications to Technologies 755A. J. Epstein, The Ohio State UniversityA. G. MacDiarmid, University of Pennsylvania

'Properties of Polypyrrole Treated Textiles for Advanced Applications 760H. H. Kuhn and W. C. Kimbrell, Milliken Research CorporationG. Worrell and C. S. Chen, General Dynamics

'Conducting Polyanilines: Applications in Computer Manufacturing 765M. Angelopoulos, J. M. Shaw, and K.-L. Lee, IBM

'Soluble, Substituted Polyanilines for Resistor Fabrication 770M. G. Moss and R. M. Cuzmar, Brewer Science, Inc.D. Maclnnes, Jr., Guilford College

'Microwave Properties of Conductive Polymer Alloys 774L. Olmedo, C. Deleuze, and M. Dufort, Commissariat a I'Energie Atomique

'Polyheterocyclic Conducting Polymer Composite Compatibility and Thermal Behaviour 7790. Sagnes, R Michel, and J.-C. Dubois, Thomson CSF L.C.R.F Henry, CNRS OMM

'Surface Modification of Polyimide Films by Laser Processing andElectrically Conducting Polymers 783L. H. Dao, X. F. Zhong, A. Menikh, R. Paynter, and F. Martin, Institut National de laRecherche Scientifique

'Cyclic Voltammetric Studies of Some Polythiophene Systems 788W. S. Huang and M. Angelopoulos, IBMB. D. Humphrey, Montclair State College

xiv/ANTEC '91

'Processible, Stable Conducting Polymers for Electrochromic Display andWindow Applications 861L. H. Dao, M. I Nguyen, J. W. Chevalier, T. N. Do, J. Y Bergeron, and R. Paynter,Institut National de la Recherche Scientifique

'Application of Conducting Polyaniline to the Electrolytic Plating Process T 864W. S. Huang, M. Angelopoulos, J. M. Park, and J. R. White, IBM

'Electrochemical Methods for the Characterization of Soluble ElectricallyConductive Materials 868J. G. Gaudiello, IBM

'Electrochemical Characterization of Soluble Polyacetylenes Derived from theRing-Opening Metathesis Polymerization (ROMP) of Substituted Cyclooctatetraenes 872T. H. Jozefiak, E. J. Ginsburg, C. B. Gorman, M. J. Sailor, R. H. Grubbs, and N. S. Lewis,California Institute of Technology

'Thickness Direction Measurements of Polymer Thin Film Thermal Expansion Coefficients 1727H. M. Tong, K. L. Saenger, and G. W. Su, IBM

'Stress Behavior During Thermal Cycling in Metal-Polyimide Layered Films 1731M. A. Moske, J. E. Lewis, and R S. Ho, IBM

'Photothermal Displacement Studies of Thermal Relaxation in Thin Polymer Films 1738S.-T. Chen, IBM

'Dimensional Changes of Polyimide Films During Curing 1742C. Feger and H. M. Tong, IBMB. J. Han and C. C. Gryte, Columbia University

'Curing Behavior of One Component Epoxy Encapsulant 1746J. Choi and C. Lin, AT&T Bell Laboratories

THERMOFORMING DIVISIONLaboratory Techniques for Predicting Material Thermoformability: A Review 580D. Hylton, Exxon Chemical CompanyThermoforming of Amorphous PET 584W. K. Shih, Eastman Chemical CompanyThermoforming of Parts to Be Used in Cold Weather Applications 588J. F. Meyer, Thermoforming Board of Directors

ENGINEERING PROPERTIES AND STRUCTURE DIVISIONElastic Properties and Thermal Expansion of Short Fiber Composites withVarying Fiber Content, Length and Orientation 592P. Schwarz, G. Fischer, and P. Eyerer, University StuttgartToughened Composites for Personal Safety 595G. Shah, N. R. Schott, and R. E. Nunn, University of LowellRecycled Polyolefins Reinforced with Wood Fibers 600H. Chtourou, B. Riedl, and A. Ait-Kadi, Laval UniversityA Laminate-Bending Process for Long Fiber Reinforced Plastics 606T. Machida, Tamagawa UniversityN. R. Schott, University of LowellMicrostructure and Mechanical Properties of Whisker-Reinforced Silicone Rubber Moldings 612M. E. Weber and M. R. Kamal, McGill UniversityChaotic Mixing of Viscous Liquids: Recent Developments and Applications 620J. M. Ottino, University of MassachusettsMore Information about the Mixing of Rubber Compounds in Internal Mixers 622J. L. LeBlanc and R. Lionnet, Enimont Coordination CentreEffect of Rotor Geometry and Operating Conditions on Mixing Performance inContinuous Mixers: An Experimental Study 629L. N. Valsamis and E. L. Canedo, Farrel CorporationCharacterization of Three Independently Driven, Single Screw Polymer Extrusion Mixers 633D. Herridge and D. Krueger, 3M CompanyCombined Reactive Extrusion—Orientation of Polyethylene 636D. Suwanda and S. T. Balke, University of Toronto

ANTEC '91 /XV

Influence of the Process Parameters on the Melt Modification of PVC 640C. Mijangos and J. Millan, Instituto de Ciencia y Tecnologia de PolimeresR Cassagnau and A. Michel, CNRSProcessing Characteristics and Properties of Polyolefin Blends Modified byReactive Extrusion 643D. W. Yu, M. Xanthos, and C. G. Gogos, Stevens Institute of TechnologyReactive Processing of Nylon 6,6 and Polypropylene in the Presence of aMaleic Anhydride Grafted Polymer 647A. N. Thakkar, B. M. Thakkar & Co. (P) Ltd.S. J. Grossman, University of LowellApplication of Reactive Processing to Stampable Sheet ofToughness Improved Unsaturated Polyester 651T. Sakai, K. Nakamura, S. Inoue, and Y. Sumihiro, The Japan Steel Works

'Electrical Conductivity in Heterogeneous Polymer Systems (V) (1): FurtherExperimental Evidence for a Phase Transition at the Critical Volume Concentration 660B. Wessling, Zipperling Kessler & Co.

'Processible Intrinsically Conductive Polymer Blends 663V. G. Kulkarni, W. R. Mathew, J. C. Campbell, C. J. Dinkins, and R J. Durbin, Americhem Inc.

*EMI Shielding of Intrinsically Conductive Polymers 665L. W. Shacklette and N. F. Colaneri, Allied-Signal, Inc.V. G. Kulkarni, Americhem Inc.B. Wessling, Zipperling Kessler & Co.

'Electromagnetic Shielding Efficiency of Some Intrinsically Conducting Polymers 668S. M. Rowland and A. R. Blythe, BICC Cables Ltd.Effects of Load Level on Fatigue Fracture Behavior of PEEK 671M. Brillhart and J. Botsis, University of Illinois at ChicagoThe Effect of Indenter Geometry on the Deformation and Energy Absorption ofPolymeric Foam 674P R. Stupak and J. A. Donovan, University of MassachusettsEffects of Thickness and Morphology on Stress Intensity Factor ofPoly(Dicyclopentadiene) 678M. K. Tse and M. R Taytelbaum, Hercules IncorporatedThe Effect of Moisture on Instrumented Impact and Dynamic Mechanical Properties ofEngineering Thermoplastic Resins 681I. Chung, E. Throckmorton, and D. Chundury, Ferro CorporationThe Influence of Contact Pressure and Roughness on the Shear StrengthDuring Friction of Some Thermoplastics 689H. Benabdallah, Royal Military College of CanadaMultiple End-Use Study of Post-Extrusion Crystallization in Polypropylene 692M. J. Goins and L. Sun, Fina Oil and Chemical Co., Inc.Analysis of Carbon Black Agglomerate Dispersion in Polymeric Melts and theResulting Composite Properties 698S.-R Rwei, I. Manas-Zloczower, and D. L Feke, Case Western Reserve UniversityProcessing Aids for Mixing and Extrusion of Silica-Natural Rubber Compounds 703N. Nakajima, W. J. Shieh, and Z. G. Wang, The University of AkronFabrication of a Standard Industrial Polyblend/Alloy: Repeatability of theCompounding Process 707A. R Plochocki, Stevens Institute of TechnologyJ. E. Curry, Werner & Pfleiderer CorporationP. S. Hope, BP Chemicals Ltd.Effect of Fiber Attrition on Properties of GRPP—Twin Screw Compoundingand Injection Molding 717A. Dharia and A. Adewole, Himont, Inc. U.S.A.Controlled Degradation of Polypropylene Using an Organic Peroxide 720M. Bellahcene and N. Bounafa, Institut Algerien Du PetroleShear Stress Monitoring in Polymer Mixing Flow: An In-Line Approach UsingMicroencapsulated Taggant Tracers and Fiberoptic Probe 723A. R Plochocki, I. G. Daniewska, and R. D. Andrews, Stevens Institute of TechnologyD. C. Shelly, Texas Tech. UniversityA. C. Condo and B. M. Kosowski, MACH I, Inc.

xvi/ANTEC :91

The Role of Metal Catalysts on the Physical Properties of Cyanate Ester Resin Systems 727A. Osei-Owusu and G. C. Martin, Syracuse UniversityJ. T. Gotro, IBM CorporationAnnealing Behavior versus Extent of Cure for a High-Tg Epoxy ThermosettingSystem Deep in the Glassy State *. 732X. Wang and J. K. Gillham, Princeton UniversityPrediction of Gel-Time in the Cure of Unsaturated Polyester Resins:Mechanistic and Statistical Analyses 737S. V. Muzumdar and L. J. Lee, The Ohio State UniversityComparison of "All Trans" Enzymatically Prepared Unsaturated Polyesters withChemically Synthesized and Industrial Polyesters 743S. Geresh and Y Gilboa, Ben-Gurion University of the NegevS. Abrahami and A. Bershadsky, Israel Institute of PlasticsA Rheokinetic Model of Cyclic Thermoplastic Oligomer Polymerization 748A. J. Salem, General Electric CompanyDevelopment of TTT Cure Diagram for Diethylene GlycolBis (Diallyl Carbonate) Polymerization 752M. T. De Meuse and H. H. Chin, Enimont America, Inc.

'The Chemical Control of Processibility, Electromagnetic Response and Other Properties ofPolyanilines and Their Applications to Technologies 755A. J. Epstein, The Ohio State UniversityA. G. MacDiamnid, University of Pennsylvania

'Properties of Polypyrrole Treated Textiles for Advanced Applications 760H. H. Kuhn and W. C. Kimbrell, Milliken Research CorporationG. Worrell and C. S. Chen, General Dynamics

'Conducting Polyanilines: Applications in Computer Manufacturing 765M. Angelopoulos, J. M. Shaw, and K.-L. Lee, IBM

'Soluble, Substituted Polyanilines for Resistor Fabrication 770M. G. Moss and R. M. Cuzmar, Brewer Science, Inc.D. Maclnnes, Jr., Guilford College

'Microwave Properties of Conductive Polymer Alloys 774L. Olmedo, C. Deleuze, and M. Dufort, Commissariat a I'Energie Atomique

'Polyheterocyclic Conducting Polymer Composite Compatibility and Thermal Behaviour 7790. Sagnes, R Michel, and J.-C. Dubois, Thomson CSF L.C.R.F. Henry, CNRS OMM

'Surface Modification of Polyimide Films by Laser Processing and ElectricallyConducting Polymers 783L. H. Dao, X. F. Zhong, A. Menikh, R. Paynter, and F. Martin, Institut National de laRecherche Sdentifique

'Cyclic Voltammetric Studies of Some Polythiophene Systems 788W. S. Huang and M. Angelopoulos, IBMB. D. Humphrey, Montolair State CollegePhysical Aging Studies Deep in the Glassy State on a Fully Cured Polyimide 792R. A. Venditti and J. K. Gillham, Princeton UniversityDynamic Mechanical Analysis and Its Relationship to Impact Transitions 796L. Woo, M. I K. Ling, and E. Chan, Baxter Healthcare Corp.The Effect of Stress, Time, and Temperature on the Creep Characteristics of aFilled PC/ABS Blend 800K. Nichols, T. Doonan, and J. Maher, The Dow Chemical CompanyPhysical Aging and Long Term Creep Predictions for Amorphous Polymers 805G. R. Tryson, GE PlasticsPneumatic Bursting Characteristics of Plastics Films—Biaxial Stress and Strain 809H. H. Tseng and F. S. Lai, University of LowellC. K. Lee, U.S. Army Natick Research, Development, and Engineering CenterNonisothermal Mold Filling in Resin Transfer Molding and StructuralReaction Injection Molding 815R. Lin, L. J. Lee, and M. J. Liou, The Ohio State UniversityExtrusion and Co-Extrusion in Three-Dimensional Geometries 819J. M. Marchal, Polyflow S.A.V. Legat, Universite Catholique de Louvain

ANTEC '91 /XVii

Finite Element Simulation of Thermoforming—Case Studies 822T. A. Hoff, GE PlasticsC. Taylor, GE Corporate Research and DevelopmentThe Use of Boundary Fitted Curvilinear Coordinates to Model the Filling Stage ofInjection Molding in Complex Cavities 829T. D. Papathanasiou and M. R. Kamal, McGill UniversityEffect of Initial Modulus Distribution on the Final Thickness of a Blown Preform 836A. Garcia-Rejon, A. Derdouri, and R. Khayat, Industrial Materials InstituteM. E. Ryan and W. R Haessly, State University of New York at Buffalo

*A Review of On-Line Monitoring of Polymeric Processes by Infrared Spectrophotometry 840M. G. Hansen, University of Tennessee

'Observations of Shear Stress and Molecular Orientation Using FluorescenceAnisotropy Measurements 842A. J. Bur, R. E. Lowry, S. C. Roth, C. L. Thomas, and F. W. Wang, National Institute ofStandards and Technology

'Just in Time Compounding Using Feedback Control from a Near InfraredMelt Composition Sensor 846C. H. Sohl, E. I. du Pont de Nemours & Co., Inc.

*On-Line Infrared Process Control of Molten Polymers via a High Pressure,High Temperature Flow Cell 850R. A. Fidler, D. Rowe, and G. Weis, Automatik Machinery Corporation

'An Ultraviolet Method for the Determination of the Residence Time Distribution in aTwin Screw Extruder 856R Cassagnau, M. Bert, and A. Michel, CNRSC. Mijangos, Instituto de Ciencia y Tecnologia de Polymeros

'Processible, Stable Conducting Polymers for Electrochromic Display andWindow Applications 861L. H. Dao, M. T. Nguyen, J. W. Chevalier, T. N. Do, J. Y Bergeron, and R. Paynter, InstitutNational de la Recherche Scientifique

'Application of Conducting Polyaniline to the Electrolytic Plating Process 864W. S. Huang, M. Angelopoulos, J. M. Park, and J. R. White, IBM

'Electrochemical Methods for the Characterization of Soluble ElectricallyConductive Materials 868J. G. Gaudiello, IBM

'Electrochemical Characterization of Soluble Polyacetylenes Derived from theRing-Opening Metathesis Polymerization (ROMP) of Substituted Cyclooctatetraenes 872T. H. Jozefiak, E. J. Ginsburg, C. B. Gorman, M. J. Sailor, R. H. Grubbs, and N. S. Lewis, CaliforniaInstitute of TechnologyCrystallization Kinetics During Polymer Processing—Analysis of Available Approachesfor Process Modeling 875R. M. Patel and J. E. Spruiell, University of TennesseeBiaxial Orientation of Poly(Ethylene Terephthalate) 880R Chandran and S. A. Jabarin, The University of ToledoCrystallization Behavior of Peroxide Modified Polypropylene 886S. H. Ryu, C. G. Gogos, and M. Xanthos, Stevens Institute of TechnologyA Morphological Interpretation of the Property Enhancement in the "Rolltrusion"of Nylon Strap 889E. S. Clark, University of TennesseeJ. D. Barnes, National Institute of Standards and TechnologyCrystallization Behavior of PEEK and PEN 893F. J. Medellin-Rodriguez and R J. Phillips, University of TennesseeThe Crystallization Behavior of Polypropylene at Elevated Pressures 896R J. Phillips and R. A. Campbell, University of TennesseeSignificance of Curie Transition Temperature on the Uniaxial Deformation Behaviorof VF2/VF3 Copolymers 900J. S. Lee and M. Cakmak, The University of AkronStudies of the Structure of LCP/LCP Blends 905M. T. De Meuse, Enimont America, Inc.M. Jaffe, Hoechst Celanese Corporation

XVW/ANTEC '91

Self-Reinforced Composites of Thermotropic Liquid Crystalline Polymers 908A. I. Isayev, The University of AkronProcessing Studies of Blends of Polypropylene with Liquid Crystalline Polymers 913A. Datta, J. R De Souza, A. M. Sukhadia, and D. G. Baird, Virginia Polytechnic Instituteand State UniversityPhase Transformations in a Thermotropic Liquid Crystalline Copolyester andIts Polymer Blends 919T. Kyu and J. Q. Zheng, The University of AkronBlends Containing Liquid Crystalline Polymers: Preparation and Properties ofUnidirectional "Prepregs" and Laminated Composites 924D. Dutta and R. A. Weiss, The University of ConnecticutK. W. Kristal, Rogers CorporationThe Use of Liquid Crystalline Polymers to Improve Fiber Impregnationin Thermoplastic Composites 928S. S. Bafna and D. G. Baird, Virginia Polytechnic Institute and State UniversityThermoforming of in situ Reinforced Thermoplastic Composites 933T. Sun, A. Datta, J. P De Souza, and D. G. Baird, Virginia Polytechnic Institute and State University

'In situ Cure Monitoring for Quality and Process Control 941D. E. Kranbuehl, P J. Kingsley, D. Levy, A. Williamson, and S. M. Hart, Colbge of William and MaryA. C. Loos and M. H. Weideman, Virginia Polytechnic Institute and State UniversityE. Long, NASA Langley Research Center

*A New Dielectric Sensor for Statistical Process Control of Thermoset Molding 946D. R. Day, H. L. Lee, D. D. Shepard, and N. F. Sheppard, Micromet Instruments, Inc.

'Automation of Autoclave Cure of Epoxy/Graphite Composites 949L. Kalra, M. Perry, and L. J. Lee, The Ohio State University

'Molecular Orientation in Injection Molding: Thermotropic Liquid Crystalline Polyesteramide 955B. Jasse and C. Noel, ESPCI

'Material Characteristics Oriented Computer Control of Extrusion—Part 1 958R. Gendron and L. A. Utracki, Industrial Materials Institute

'Characterization of Blends of an Amorphous Polyamide with FunctionalizedPolystyrene lonomers 964M. J. Sullivan and R. A. Weiss, Spalding Sports, Inc. and University of Connecticut

'Compatibilizing Influence of Agents on Polymer Blends: Interfacial Tension,Phase Morphology and Mechanical Properties 969C. C. Chen and J. L. White, The University of Akron

'Morphology of Reactive Polyamide/Polyethylene Copolymer Blends and Preparationof Composite Droplet Morphologies 973C. Lavallee and B. D. Favis, Industrial Materials Institute

'Rheologicai Characterization of Polystyrene/Polymethylmethacrylate Blends 978L. A. Utracki and R Sammut, Industrial Materials InstituteJ. Lyngaae-J0rgensen, Technical University of DenmarkA. Valenza, University De Palermo

'Study of Melt Processed Blends Containing Poly(Hydroxybutyrate-Co-Hydroxyvalerate)Copolymers—Incorporation of a "Diblock" Interfacial Agent 982R B. Dave, Teknor Apex Co.M. Reeve, C. Brucato, R. A. Gross, and S. R McCarthy, University of Lowell

'The Viscosity Ratio During the Mixing of Polymer Blends Composed of Liquid Crystallineand Conventional Thermoplastics with Regard to Its Effect on Structure and Properties 988T. Brinkmann, R Hoeckk, and W. Michaeli, Institut fur Kunststoffverarbeitung

'Morphology of Crosslinked Polymeric Particles in Thermoplastic Matrix 994C. H. Lai, W. G. Carson, and L. Schmidt, Rohm & Haas CompanyRheology, Morphology and Interphase Interaction in Blends Containing LC Polymers 999V. G. Kulichikhin, USSR Academy of SciencesBlends of Liquid Crystalline Polyesters and Amorphous Polymers 1004C. Carfagna, L. Nicolais, E. Amendola, and C. Carfagna, Jr., University of NaplesGeneration of Continuous Liquid Crystalline Polymer Reinforcements in Thermoplasticsby a Novel Blending Process 1008A. M. Sukhadia, A. Datta, and D. G. Baird, Virginia Polytechnic Institute and State UniversityMorphology, Rheology, and Mechanical Properties of Some LCP Modified Thermoplastics 1014A. Ajji and R A. Gignac, Universite Laval

ANTEC '91/xix.

'Real-Time Synchrotron X-Ray Analysis of Semicrystalllne Polyimides 1581R Cebe, J. Friler, S. Chung, and R Huo, Massachusetts Institute of Technology

'Thermodynamics of the Melting of Poly(3-Hydroxybutyrate-Co-Hydroxyvalorates) Copolyesters _ 1585R. H. Marchessault and C. Lauzier, McGill University

'Thermodynamic Miscibility in a Polyacetal Blend 1586J. M. Machado and R. N. French, Shell Development Company

'Testing of Polymeric Materials via the Cone Calorimeter 1630L. J. Gaff, GE Plastics BV.

'Method for Strain Gage Stress Analysis on Engineering Thermoplastics 1633T. A. Hogan and K. A. Kerouac, Dow Chemical USA.

'Development of an Inexpensive Creep/Creep Rupture Apparatus for Testing atElevated Temperature and/or Liquid Environment '. 1638R. C. Progelhof, A. George, and T. Deng, University of South Carolina

'Pressure-Volume-Temperature Studies: A Versatile Analytical Tool for Polymers 1642Y A. Fakhreddine and R Zoller, University of Colorado

'Measuring the PVT Behavior of Polymers 1646T. Wiegmann and F. Oehmke, SWO Polymerfschnik GmbH

'The Use of Oven Heat Sag to Determine Heat Resistance in Polypropylenes 1651J. T. Kempthorn, Ferro Corporation

'Comparing Thermal Stimulated Current (TSC) with Other Thermal Analytical Methods toCharacterize the Amorphous Phase of Polymers 1655J. R I bar, Solomat Research Lab.A. Matthiesen and R. Mclntyre, Solomat InstrumentationJ. R. Saffell, Solomat Mfg. Ltd.

*A Dilatometric Study of the Crystallization Kinetics of Polypropylene at Pressures to 200 MPa 1723J. He and R Zoller, University of Colorado

VINYL PLASTICS DIVISION

Chemical Crosslinked Poly(Vinyl Chloride) 1176O. Rodriguez-Fernandez and M. Sanchez-Adame, Centro de Investigacion en Quimica Aplicada (CIQA)Effect of Co-Additives on the Flame/Smoke Suppression Properties of Zinc Borates 1180F. W. Moore, Amax Research & Development CenterW. J. Kennelly, Climax Performance MaterialsMixed Metal Vinyl Stabilizer Synergism, Part 3: Reactions of Mixed Metals andPhosphites with Model Compounds 1184R. F. Grossman, Synthetic Products Co.The Efficient, Routine Use of Automated Colorimetry in the Evaluation of the ThermalDegradation of PVC Formulations 1188B. A. Prezzavento, Morton International, Inc.Evaluation of Secondary Lubricants for Rigid PVC Extrusion 1194R C. Hughes and K. G. Mieure, Vista Chemical CompanyTesting Variability in Viscosity Measurements of PVC Plastisols 1197B. K. Breslin and M. T. Moran, Occidental Chemical Corp.Improved Performance Properties of PVC Food Wrap Rim 1200J. A. Falter, Lonza Inc.The Discoloration of Vinyl Instrument Panels by Polyurethane Foam Backing:II. Crosslinking of the Vinyl Resin 1204J. L. Irvine, Vista PolymersSpecialty Low Gloss PVC Resin vs. Traditional Low Gloss Modifiers 1208R. Reichard, Occidental Chemical Corp.Characterizing Dryblending Behaviour of PVC Resins 1212J. Changfoot, Esso Chemical CanadaBlowing Agent Decomposition in Vinyl Foams 1218R. A. Marshall, The Goodyear Tire & Rubber CompanyGear Pump Assisted Extrusion with Heat Sensitive Thermoplastics 1223D. J. Smith, Luwa CorporationDie Design for Rigid PVC—The Effect of Die Land Length on Extrudate Swell 1226E. B. Rabinovitch, J. W. Summers, and R C. Booth, BFGoodrich Company

xxil/ANTEC '91

Molecular Structural Changes Sensed by PVC Melt Flow 1230D. W. Riley, Extrusion EngineersR. G. Pinette, ConsultantEffects of Compounding and Extrusion Variables on Degree of Fusion and ImpactStrength of PVC Window Profile 1234J. Batiste, Esso Chemical CanadaR Choi, M. Lynch, and A. Rudin, University of WaterlooL. H. deCarvalho, Univ. Federal de ParaibaCompatibility between PVC and Plasticizer Blends and Its Relation with Processing 1238L. Ramos-Devalle, C. Gonzalez-Roa, and M. Sanchez-Adame, Centro de Investigacion enQuimica Aplicada (CIQA)Update on PVC Regulations—1991 1241D. Goodman, Occidental Chemical Corp.Study of Interactions in PVC-Plasticizer Systems Using Low-Molecular-Weight Analogs 1244R. Akki and M. T. Shaw, University of ConnecticutVariations Occurring in the Light Scattering Film Test 1248C. B. Duncan and P J. Chiasson, Exxon Chemical CompanyThe Fusion Characteristics of PVC-Plasticizer Mixtures 1252C. Gonzalez-Roa, L. F. Ramos-Devalle, and M. Sanchez-Adame, Centro de Investigacionen Quimica Aplicada (CIQA)Tools for Quality Improvement 1256D. H. Hunter, Occidental Chemical Corp.

THERMOSET DIVISION

Low-Alpha Epoxy Molding Compounds 1260H. W. Rauhut, Dexter Electronic MaterialsSimulation of Injection Mold Filling and Curing with Reactive Materials 1265V. W. Wang and L. S. Turng, Advanced CAE Technology, Inc.Material Characterization for Thermosetting Molding Compounds 1268M. A. Gaynes, N. G. Payne, and D. A. Thorne, IBM CorporationNew Prospects for Thermoset Processing through Hot-Cone Technology 1273D. Hunold and W. Michaeli, Institut fur KunststoffverarbeitungThe Simulation of the Reactive Compression Molding Process 1276V. M. Gonzalez-Romero, J. A. Medina, and J. Santana, Universidad de GuadalajaraA Transient Method for Thermal Conductivity Measurements of Thermosets 1281H. Lobo, Advanced CAE Technology, Inc.A New Coating Material: Thermosetting Film 1284A. Miyake, H. Abe, and S. Aoto, Sekisui Chemical Co., Ltd.

THERMOPLASTIC MATERIALS AND FOAMS DIVISIONTheoretical and Experimental Study of the Dynamics of Foam Growth inThermoplastic Materials 1292N. S. Ramesh, N. Dontula, D. Rasmussen, and G, A. Campbell, Clarkson UniversityCarbon Dioxide-Induced Crystallization in PET Foams 1297V. Kumar, University of WashingtonO. S. Gebizlioglu, BellcoreModeling Gas Sorption in Semi-Crystalline Polymers 1300D. F. Baldwin and N. R Suh, Massachusetts Institute of TechnologyShear Effects on Thermoplastic Foam Nucleation 1304S. T. Lee, Sealed Air CorporationEvaluation of a Linear Finite Element Analysis Model for Extruded Low Density Foam 1308D. T. Wimberly, Jr., GE PlasticsLocal Stiffness-Density Correlations for Polycarbonate Structural Foams 1312V. K. Stokes, GE Corporate Research and DevelopmentAn Evaluation of the Mechanical Properties of Glass Fiber ReinforcedPolycarbonate Structural Foam 1319L. Hornberger, Apple Computer, Inc.R. Malloy and R Kadkol, University of Lowell

ANTEC '91 /XX i l i

Structural Foam Polystyrene: An Evaluation of Process, Foam Agents and Paintability 1324P F Grelle and K. J. Carpenter, Dow Chemical USA.Development of Multi Layer Foamed Sheet 1330A. Egashira and T. Yazaki, Mitsubishi Petrochemical Co., Ltd.High Density Thermoplastic Polyesters *. 1334E. B. Walsh, R. R. Gallucci, and R. Courson, GE PlasticsFlavor Absorption Analysis of Polymer Films and Juice by Multiple Headspace Extraction 1340M. M. Hughes and R T. DeLassus, The Dow Chemical CompanyThe Effect of Blown Film Fabrication Variables on Cling and Stretch Film Propertiesof LLDPE Film 1345G. Panagopoulos, Jr. and S. E. Pirtle, Dow Chemical U.S.A.W. A. Khan, Dow CanadaTreated Talc as an Effective Anti-Block for LDPE Blown Film 1351J. A. Radosta, Pfizer MineralsW. D. Riley, Exxon Chemical CompanyPerformance of Thermoplastic Polymers as Sealants in Form/Fill/Seal Flexible Packaging Applications 1355L. K. Mergenhagen, Dow Chemical U.S.A.Improved Ethylene Vinyl Alcohol Copolymer (EVOH) Resins for High BarrierPlastics Packaging 1362R. H. Foster, EVAL Company of AmericaA Comparison of Ignition Resistant Polyolefin Materials with Polyamides forUL 94 V-2 Applications 1367C. Bolthouse and M. Balow, Himont Advanced MaterialsMorphological Responses of LLDPE to Thermal Treatment 1371M. El-Kindi and H. P Schreiber, Ecole Polytechnique de MontrealEffects of Vinyl Chain-Ends on the Melt Viscoelastic Properties of RadiationCrosslinked Polyethylene 1374S. R Chum, The Dow Chemical CompanyEffects of Polymer Structure on the Onset of Processing Defects in LLDPE's 1378E. Karbashewski and A. Rudin, University of WaterlooL. Kale and W. J. Tchir, Dow Chemical Canada Inc.H. R Schreiber, Ecole Polytechnique de MontrealDevelopment of in-situ Thermoplastic Polyolefins in the Vertical Stirred BedGas Phase Polypropylene Process 1382T. W. Klimek, Quantum Chemical Corp.Partial-Aromatic, Amorphous Polyamides and Blends Thereof—Properties, Processing, Applications 1385R Maskus, EMS-Chemie AGCoextrusion of EnBA Adhesives with EVOH, Polycarbonate and Polyester 1389R Becker and W. Kiang, Quantum Chemical Corp.A Comparison Study of Mechanical and Rheologicai Properties of Core Shell Polymers 1395V. M. Gonzalez-Romero, S. M. Arce, M. J. Hernandez, G. Canche, and E. Mendizabal,Universidad de GuadalajaraThe Nucleation of Microcellular Polystyrene Foam 1398J. A. Kweeder, N. S. Ramesh, G. A. Campbell, and D. H. Rasmussen, Clarkson UniversityMicrocellular Polycarbonate—Part I: Experiments on Bubble Nucleation and Growth 1401V. Kumar and J. E. Weller, University of WashingtonMicrocellular Polycarbonate—Part II: Characterization of Tensile Modulus 1406V Kumar and M. M. Vander Wei, University of WashingtonSintering Microcellular Foam Parts 1411M.-H. N. Clark, Motorola, Inc.K. A. Seeler, Lafayette College

BLOW MOLDING DIVISIONCoextrusion Blow Molding of Poly(Ethylene Terephthalate) 1416W. D. Maag and S. A. Jabarin, The University of ToledoEffects of Infrared Lamp Temperature and Other Variables on the Reheat Rate of PET 1420M. D. Shelby, Eastman Chemical Company

TCXYV/ANTEC '91

Measurement of Nonlinear Viscoelastic Shear Properties of Programmed-ParisonBlow Molding Resins 1425K. 0. Stanfill and A. J. Giacomin, 7exas A&M UniversityNumerical Study of the Effect of Inertia and Gravity on Extrudate Swell 1429R Brousseau, K. Nguyen, and M. R. Kamal, McGill UniversityDevelopment of High Gloss Multilayer Bottles 1433Y Terauchi, Toppan Printing Co., Ltd.Neural-Network Based Programs: A Possible Solution to Training Problems 1436D. B. Hunkar, Hunkar Laboratories, IncH. R. Mastine, Ryka Blow Molds Ltd.Optimizing Die and Mandrel Design for the Manufacture of Vinyl Bottles 1442G. S. Henneberry, Occidental Chemical CorporationInjection Blow Molding PVC Containers : 1446R. J. Abramo, Sr, R. J. Abramo Associates, Inc.Blow Moulding—Thermal Lay-Out and Optimization of the Cooling System 1453G. Speuser and W. Michaeli, Institut fur KunststoffverarbeitungInternal Cooling of Plastic Fuel Tanks with Direct Injection of Liquid Nitrogen 1457D. E. Connor, III, Air Products and Chemicals, Inc.Additives Which Enable the Blow Molding of Large Parts from Low andMedium Viscosity Nylons 1461K. Chrien and D. Leblanc, Rohm & Haas CompanyBlow Moldable Fiberglass Reinforced Nylon 6 1465T. J. Krolick, Allied-Signal Inc.New Laminar Oxygen Barrier Technology for Food Packaging Applications 1468J. M. Torradas and D. Zhang, £ /. du Pont de Nemours & Co., Inc.

AUTOMOTIVE DIVISIONMolded-in-Color Thermoplastic Olefin Bumper Covers—Case Study 1472M. G. Siero and T. R. Evans, General Motors CorporationD. D. Mosier, Himont U.S.A., IncAutomotive Elastomer Part Design for Elastomeric Alloys 1476K. E. Kear and M. W. Bednarik, Advanced Elastomer Systems, L.PGas Injection Molding: Structural Application 1479S. Shah and D. Hlavaty, Inland Fisher-GuideGas Injection Molding: Current Practices 1494S. Shah, Inland Fisher-GuideSuccessful TPO Painting Cold Gas Plasma Advances Painting Application 1507D. A. Frazier and 0. S. Kolluri, Himont/Plasma ScienceG. Wagner and A. Fahner, Himont U.S.A., IncPermeation of Gasoline-Alcohol Fuel Blends through High-Density Polyethylene Fuel Tanks 1509D. J. Kathios and R. M. Ziff, The University of MichiganEffects of Elevated Temperature Exposure to Automotive Fuel Blends ofRigid Thermoplastic Polyurethanes 1512R. J. Pierce, The Dow Chemical CompanyG. L. Marshall, Entela Laboratories, Inc.The Effects of Alternate Fuels and Automotive Fluids on EngineeringThermoplastic Composites 1515C. Yeager, C. Carreno, and C. Zellock, O Advanced MaterialsRIM Polyurethanes in Automotive Applications: Recycle and Ecobalance 1522W J. Farrissey, R. E. Morgan, and J. D. Weaver, Dow Chemical U.S.A.

PLASTICS ANALYSIS DIVISION

'Computer Modeling of Polymeric Materials: Single Chains and Multiple-Chain Systems 1528V. Galiatsatos, The University of Akron

'Negative Coefficient of Thermal Expansion and Nonlinear-Elasticity inHigh-Performance Fibers 1532R E. Klunzinger and R. K. Eby, The University of AkronK. A. Green, The Johns Hopkins UniversityB. L. Farmer, The University of VirginiaW. W. Adams, Air Force Materials Lab

ANTEC '91 /XXV