Conference Proceeding!Volume I ~ Processing

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W May 7 -11 ,2000 Orlando, FloridaUB/TIB Hannover 89120 953 20X

CONTENTS

VOLUME I—PROCESSING

EXTRUSION DIVISION

M2—Twin Screw-Modeling

Residence Distribution Models for Twin Screw Extruder (560) 2J. Gao, G. C. Walsh, D. Bigio, R. M. Briber, University of MarylandM. D. Wetzel, E. I. du Pont de Nemours and Company, Inc.Pressurization and Energy Characteristics of ZSK40 Twin Screw Elements:The Power of Spreadsheet and Good Experiments vs. CFD? (1137) 7A. Kiani, Compounding Engineering SolutionsM. Mours, J. Hofmann, BASF AGR. Kuehn, Krupp Werner & PfleidererA Physico-Mathematical Model for the Dispersion Process in a Co-Rotating IntermeshingTwin Screw Extruder (961) 14J. Flecke, Bayer AGH. Potente, K. Kretschmer, University of PaderbornNon-Isothermal Modeling of Co-Rotating and Contra-Rotating Twin Screw Extruders (595) 19Th. Avalosse, Y. Rubin, L. Fondin, Polyflow s.a.Simulation of CaCC>3 Dispersion in a PP Matrix during Twin Screw Extrusion (318) 24P. G. Lafleur, F. Berzin, M. Grmela, S. R. Tremblay, Ecole Polytechnique de MontrealF. Berzin, B. Vergnes, Ecole des Mines de ParisMean Residence Time Characterization in Co-Rotating Twin Screw Extruder:Screw Configuration Comparison (561) 29P. Elkouss, D. Bigio, G. Walsh, University of MarylandP. Andersen, Krupp Werner and Pfleiderer

Ml 9—Die Modeling

Measurement of Layer Deformation in Coextrusion Using Unique Feedblock Technology (502) 36J. Dooley, K. Hughes, The Dow Chemical CompanyNumerical Simulation of Bi-Layer Extrusion Flow within a New Conical Extruder (932) 41A. Sarioglu, A. Luciani, J.-A. E. Manson, Ecole Polytechnique Federate de LausanneD. Schlafli, Nextrom SAViscoelastic Stress Calculation in Multilayer Coextrusion Dies (164) 46C. Tzoganakis, University of WaterlooM. Zatloukal, P. Saha, Technical University of BrnoJ. Perdikoulias, Compuplast Canada Inc.Evaluation of Layer Spreading in Coextruded Structures via a Modular Die (666) 51J. Powers, J. Dooley, C. Reinhardt, Dow PlasticsG. Oliver, The Cloeren Co.Design and Analysis of Crosshead Annular Die for Braided Medical Tubing Extrusion (419) 56X. Guo, R. Stehr, Daig CorporationLatest Developments Concerning Slit Dies with Integrated Flexible Adjusting Membranes (9) 61H. G. Gross, Heinz Gross Kunststoff-VerfahrenstechnikElongational Effects of Die Flows: Pressure Distribution and Shape Prediction (521) 66J. Sun, Fluent Inc.C. Waucquez, Y. Rubin, Polyflow S.A.A Three-Dimensional Analysis of Coextrusion in a Single Manifold Flat Die (175) 71W. A. Gifford, Dieflow

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M20—Single Screw Design

A New Barrier Screw Design Utilizing Solid Bed Deformation with Forced Melt Removal (472) 78J. P. Christiano, M. R. Thompson, Davis Standard CorporationHeat Transfer in Extruder Screws (270) 83S. J. Derezinski, Eastman Kodak CompanyExtruder Analysis Utilizing a Transparent Extruder and Simulation Software (246) 89W. Song, Futuresoft Technologies Inc.J. Perdikoulias, Compuplast Canada Inc.M. Planeta, Macro Engineering & Technology Inc.Incompressible Model of Solids Conveying in a Single-Screw Extruder (169) 94S. Zhang, V. Sernas, Rutgers, The State University of New JerseySimulation of Shearing and Mixing Sections (662) 99H. Potente, W. Tobben, University of PaderbornComparison of Experimental and Predicted Data for Conventional Single Screw Extruders (485) 106P. Samsonkova, University BrnoJ. Vlcek, Compulast InternationalBackmixing in Screw Extruders (17) I l lC. Rauwendaal, Rauwendaal Extrusion Engineering, Inc.P. Gramann, The Madison GroupObtaining Flow Properties Directly from an Extruder (573) 117C. Rauwendaal, Rauwendaal Extrusion Engineering, Inc.K. Cantor, Pennsylvania College of Technology

T1—Melting Mechanisms

Rubbing Mechanisms of Polymers on Metal Surface Relevant to Extrusion (191) 124H. S. Kim, C. I. Chung, Rensselaer Polytechnic InstituteT. I. Butler, The Dow Chemical Company USAInvestigation of the Melting Mechanism within a Groove-Feed Single-Screw Extruder (470) 129M. R. Thompson, J. P. Christiano, Davis-Standard CorporationMelting Phenomena and Mechanism in Polymer Processing Equipment (475) 134C. G. Gogos, Polymer Processing InstituteM. H. Kim, LG Chemical Ltd.The Heating/Melting Mechanism of Plastic Energy Dissipation (263) 139M. H. Kim, LG Chemical Ltd.C. G. Gogos, Polymer Processing InstituteAn Experimental Investigation of the Effect of Polymer Processing Additives (PPA) on theMelting and Gel Formation Mechanisms in a Single Screw Extruder (674) 144K. R. Slusarz, J. P. Christiano, Davis-Standard CorporationS. E. Amos, Dyneon LLCPhysical Model of Polymer Pellets Melting in Co-Rotating Twin-Screw Extrusion (286) 149Z. Linjie, G. Xiaozheng, Beijing University of Chemical Technology

T2—TAPPI Exchange

Blown Film Bubble Instability Induced by Fabrication Conditions (1120) 156T. I. Butler, The Dow Chemical CompanyPrediction of Temperature Profiles across Coating and Substrate in the Nip (1123) 165Y. Trouilhet, du Pont de Nemours Int. SAB. A. Morris, E. I. du Pont de Nemours & CompanyPermeation Processes in Barriers and Membranes: Complementary Differences (1124) 175W. J. Koros, University of Texas at AustinAssessment of Metallocene Propylene Polymers for Cast Film Applications (1122) 180C. Y. Lin, M. C. Chen, A. K. Mehta, ExxonMobil Chemical CompanyThe Influence of Polymer Processing Additives (PPAS) on the Surface and Optical Propertiesof Polyolefin Plastomer Blown Film (1125) 191S. S. Woods, Dyneon LLCA. V. Pocius, 3M CompanyBenefits of CoextrudedLLDPE/LDPE Film versus Blended LLDPE/LDPE Film (1118) 209J. Taylor, NOVA Chemicals CorporationJ. J. Baik, Brampton Engineering

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T19—Twin Screw-Reactive Extrusion

Study of Polypropylene Degradation in a Co-Rotating Twin Screw Extruder (1129) 218E. Tizon, D. Bigio, University of MarylandL. Kasehagen, Elf Atochem N.A.Continuous Polymerization of Polycaprolactone in a Modular Co-Rotating Twin Screw Extruder (72) 224B. J. Kim, J. L. White, University of AkronContinuous Anionic Polymerization of Polyamide-Based Thermoplastic Elastomer in aCounter-Rotating Twin Screw Extruder: Polyesteramide Triblock Copolymer (152) 229B. H. Lee, J. L. White, University of AkronEffects of Twin Screw Compounding Conditions on the Mechanical Properties ofNylon-6/Glass Fiber Composites (94) 234M. Cansever, U. Yilmazer, Middle East Technical UniversityBreaking Barriers to Higher Output Rates with Densified Ultrafine Talc during MeltCompounding on the Corotating Intermeshing Twin Screw Extruder (1090) 239J. A. Radosta, Specialty Minerals Inc.E. Beecher, Krupp Werner & Pfleiderer Corp.Relationship between Local Residence Time and Distributive Mixing in Sections of aTwin Screw Extruder (259) 248G. Shearer, C. Tzoganakis, University of Waterloo

W1—Single Screw Processing

Flow Surging in Single-Screw, Plasticating Extruders (503) 254M. A. Spalding, J. R. Powers, P. A. Wagner, K. S. Hyun, Dow PlasticsAn Experimental Investigation on the Influence of Barrel Temperatures on the Output of aConstant Depth Screw with Grooved Barrel Feeding (16) 259T. W. Womer, TWWJ. R. Wagner, Jr., J.V.W. Enterprises, Inc.G. Harrah, Spirex Corp.D. Reber, Milacron, Inc.The Effect of Feeding Mode on Dispersive Mixing Efficiency in Single-Screw Extrusion (12) 265P. H. M. Elemans, J. M. van Wunnik, DSM ResearchComprehensive Study of a New Extensional Flow Mixer (545) 270W. Song, Extensional Flow Mixer Inc.Computer Design and Screw Optimization (290) 276C. A. Thibodeau, P. G. Lafleur, Ecole Polytechnique de Montreal

W2—General Processing

Devolatilization of Polymers by Diffusion and Foaming (37) 282I. Gestring, D. Mewes, University of HanoverReal-Time Dielectric Measurements during Extrusion of Filled Polymers (342) 287M. McBrearty, Chemical ElectroPhysics Corp.A. Bur, S. Roth, National Institute for Standards and TechnologyThe Processing of Renewable Resources Using a Short Single Screw Extruder with a CombinedSection for Solid Conveying and Plastification (652) 292H. Potente, F. Reckert, University of PaderbornExtrusion of Closed Cell Very Low Density Flexible Syntactic Foams Using MetalloceneCatalyzed Polyolefins and Thermoplastic Microballoons (580) 297L. J. Trainer, S. Orroth, N. Schott, University of Massachusetts at LowellD. Beauregard, NUWCDIVNPTEffects of Moisture Content, CEC, and Processing Conditions on Mechanical Propertiesand Long-Term Reliability of PBT Fiber-Optic Buffer Tubes (526) 302B. G. Risch, T. Auvray, D. Ammons, AlcatelEstimating Fully Developed Melt Temperature in Extrusion (882) 307

; C. Rauwendaal, Rauwendaal Extrusion Engineering, Inc.

W19—Film

Numerical Simulation of Blown Film Cooling (392) 312V. Sidiropoulos, J. Vlachopoulos, McMaster University

\ Modeling Flow-Induced Crystallization in Film Blowing (133) 316I A. K. Doufas, A. J. McHugh, University of Illinois

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Sharksin Melt Fracture in High-Performance Hexene-LLDPEs (385) 321H. Mavridis, R. Shroff, Equistar Chemicals, LPEdge Effects in Film Casting of Molten Polymers (785) 326K. Canning, A. Co, University of MaineInfluence of Molecular Weight Distribution on LLDPE Blown Film Processing Conditionsand Property Sensitivity (654) 331C. K. Chai, J.-L. Selo, E. Osmont, BP Amoco ChemicalsTensile Properties of Linear Low Density Polyethylene (LLDPE) Blown Films (195) 336R. K. Krishnaswamy, M. J. Lamborn, Phillips Petroleum CompanyUnderstanding the Interrelationship between Blown Film Process Variables and Bubble GeometryUsing a Blown Film Extrusion Simulator (871) 341K. Cantor, Pennsylvania College of TechnologyANSI Standards Combined with European Hazard Ranking Methods Provide Plastic WebProcessors with Powerful Tools for Enhancing Workplace Safety (67) 346D. C. Lounsbury, Davis-Standard

W20—Tutorial

Orientation Measurements Online (85) 352A. Ajji, National Research Council CanadaOn-Line Product Quality Measurements for Continuous Sheet Processes (886) 357B. Embleton, S. Axelrod, Honeywell MeasurexOn-Line Rheological Measurements (135) 362J. M. Dealy, McGill UniversityMelt Temperature Considerations for Extrusion (201) 364E. Steward, American Kuhne Corp.

TH1—Polymers

Extrusion Characterization of Ethylene/Styrene Interpolymers (842) 368K. A. Koppi, M. A. Spalding, M. D. Cassiday, K. R. Hughes, T. P. Karjala, S. R. Betso,

C. F. Diehl, The Dow Chemical CompanyDispersion in High Viscosity Ratio Polyolefin Blends (19) 373M. A. Huneault, F. Mighri, National Research Council CanadaG. H. Ko, F. Watanabe, Mitsubishi Chemicals CorporationCooling of Extruded Plastic Profiles (516) 378L. Placek, J. Svabik, VUT BrnoJ. Vlcek, Compuplast International, Inc.Predicting How the Cooling and Resulting Shrinkage of Plastics Affect the Shape andStraightness of Extruded Profiles (200). . 383R. J. Brown, Formtech EnterprisesEffects of Processing Conditions on Extruded Polystyrene Sheet Feedstock Quality (161) 388K. P. Adewale, R. Roberts, NOVA Chemicals Inc.Bank Measurement Leads to Improved Quality of Extruded Sheets or Films (7) 393H. G. Gross, Heinz Gross Messtechnik

TH8—Extrusion

Nucleation in Foam Extrusion (127) 400S. T. Lee, Sealed Air CorporationMake Flat Sheet Using Contrabend Rolls (55) 408R. Palmer, New Castle Industries Inc.On-Line Melt Strength Enhancement of Polypropylene for Extrusion Coating (574) 413J. R. Beren, V. V. DeMaio, Montell PolyolefinsWall-Liquid Heat Transfer Coefficients in Batch Intensive Mixers (679) 418M. Deopura, C. Scott, Massachusetts Institute of TechnologyThe Extrusion of Multi-Layer Barrier Tubing from Cross Linked Polyethylene (PEX) (167) 423J. A. Colbert, Davis-Standard Ltd.Nanocomposites: The Importance of Processing (322) 428H. R. Dennis, D. L. Hunter, Southern Clay ProductsD. Chang, S. Kim, J. L. White, University of AkronJ. W. Cho, D. R. Paul, The University of Texas at AustinFactors Affecting Adhesion of Tie Layers between Polypropylene and Polyamides (552) 434G. W. Kamykowski, Rohm & Haas Company/Morton International, Inc.

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Coextrusion of High Barrier Films Containing Liquid Crystalline Polymers (41) 438S. Kenig, A. Ophir, F. Wiener, M. Omer, Israel Plastics & Rubber Center

INJECTION MOLDING DIVISION

M3—CAE/Simulation

3D Numerical Simulation of Gas-Assisted Injection Molding Process (112) 444F. Ilinca, J.-F. Hetu, National Research Council of CanadaA Novel Computer Simulation Technology for the Cooling Analysis of ComplexInjection Molded Parts (513) 449R.-Y. Chang, S.-H. Huang, National Tsing-Hua UniversityW.-L. Yang, CoreTech System Co., Ltd.I. Y. Chen, C. C. Lai, Har Lin Precision Machinery Co., Ltd.Preventing Sink Marks of Injection Molded Parts Using CAE Analysis (271) 453S. Ni, Lexmark International Inc.Three-Dimensional Simulation of the Rubber Injection Molding Process (683) 461R. Capellmann, E. Haberstroh, Institut fiir Kunststoffverarbeitung (IKV)

M4—General Session

Thin Wall Injection Molding of Thermoplastic Microstructures (612) 468L. Yu, Y. J . Juang, K. W. Koelling, L. J. Lee, The Ohio State UniversityProcess and Tooling Factors Affecting Sink Marks for Amorphous and Crystalline Resins (468) 474D. Tursi, Drexel UniversityS. P. Bistany, Montell PolyolefinsColor Mixing Performance in Injection Molding: Comparing a Conventional Screw andNon-Return Valve to Those Designed for Improved Mixing (659) 479B. A. Salamon, M. A. Spalding, J. R. Powers, M. Serrano, W. C. Sumner,

S. A. Somers, R. B. Peters, Jr., Dow Plastics

M21—Materials

Shear-Induced Crystallization in Injection Moldings of Ziegler-Natta and Metallocene BasedIsotactic Polypropylenes (811) 486Y. Churdpunt, A. I. Isayev, University of AkronPredicting Thermal Degradation of PVC Compounds during Injection Molding (604) 491J. L. Garcia, K. W. Koelling, The Ohio State UniversityJ. W. Summers, The GEON CompanyInjection Molding Cycle Time Reduction Using an Advanced PC/ABS Blend (791) 496C. L. Weckle, D. P. Lauer, B. S. Patty, H. T. Pham, Dow PlasticsIntegrating Thin-Wall Molder's Needs into Polymer Manufacturing: Part II (345) 499W. G. Todd, T. J. Schwab, D. L. Wise, Equistar Chemicals, LPPressure Dependent Viscosity of Polymer Melts (117) .* 5040. Amano, Amano Molding Laboratory Ltd.K. Ainoya, Kougakuin UniversitySimulation of the Filling and Curing Phase in Injection Molding of Liquid SiliconeRubber (LSR) (219) 512E. Haberstroh, W. Michaeli, Institute of Plastics Processing (IKV)E. Henze, GE Bayer Silicones GmbH & Co. KG

M22—General Session

Bubble Growth in a Solvent-Polymer Solution (56) 518V. Pai, M. Favelukis, National University of SingaporeA Transparent Barrel for Study of Reciprocating Screw Injection Molding (276) 523F. Gao, Z. Jin, X. Chen, Hong Kong University of Science and TechnologyMulti-Component Injection Molding—Part 1: Interface and Microstructure Development (638) 528K. P. Palluch, A. I. Isayev, University of AkronPolymer Melt Flow Behavior in the Coinjection Molding Process (753) 533K. T. Nguyen, E. Turcott, A. Derdouri, National Research Council CanadaD. A. Messaoud, B. Sanschagrin, Ecole Polytechnique de MontrealB. A. Salamon, K. A. Koppi, Dow Chemical

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On the Prediction of Crystallinity Distribution in Injection MoldedSemi-Crystalline Thermoplastics (548) 538J. Guo, K. A. Narh, New Jersey Institute of TechnologyThin-Wall Injection Molding (221) 543S. C. Chen, H. S. Peng, L. T. Huang, Chung Yuan UniversityC. T. Chang, D. Y. Wei, R. C. Ruo, Chung Cheng UniversityThe Development of Weld Line Strength in Injection-Molded Poly(methyl methacrylate) (438) 547A. K. O'Brien-Soucy, C. M. F. Barry, R. G. Stacer, University of Massachusetts at Lowell

T3—Gas-Assist

The Occurrence of Fiber Exposure in Gas Assist Injection Molded Nylon Composites (909) 554S.-J. Liu, J.-H. Chang, Chang Gung UniversityGas-Assisted Reaction Injection Molding (GRIM): Application of the Gas Injection Technologyto the Manufacturing of Hollow Polyurethane Parts (714) 559I. Kleba, E. Haberstroh, Institutfiir Kunststojfverarbeitung (IKV)A Study of the Weldline Strength in Gas-Assist Injection Molded Thermoplastics (910) 564S.-J. Liu, C.-Y. Ho, J.-H. Chang, Chang Gung UniversityApplications of Gas-Assisted Injection Molding and Injection/Compression Moldingin Thinwall Molding (374) 569T. J. Wang, C-MOLD/AC TechnologyS.-C. Chen, Chung Yuan Christian UniversityH. H. Chiang, Green Point Enterprises Co., Ltd.

T4—Novel Processes

Simulation of the Micro Injection Molding Process (487) 576O. Kemmann, L. Weber, Institutfiir Mikrotechnik Mainz GmbHC. Jeggy, O. Magotte, F. Dupret, Universite Catholique de LouvainAdvances in Fusible Core Technique (650) 581E. Schmachtenberg, O. Schroder, University of EssenExperimental Determination of Optimized Vibration-Assisted Injection Molding ProcessingParameters for Atactic Polystyrene (1130) 585A. M. Tom, A. Kikuchi, J. P. Coulter, Lehigh UniversityProcessing Glass-Filled Polyethylene on a Twin-Screw Injection Molding Extruder (491) 590D. Bigio, R. Mudalamane, Y. Huang, University of MarylandS. Zerafati, Elf Atochem

W3—General Session

Application of Internet and Web Technologies for Management of Molding Know-How (776) 596L.-S. Turng, J. Lottey, M. Mahishi, N. Yildirim, M. N. Damle, B. Gupta, C-MOLDThe Comparison of Newly Proposed Cavity-Variable-Based Full Factorial Design andArtificial Neural Network in Injection Molding Process (483) 601J. G. Kim, I. H. Shin, J. W. Lee, Sogang UniversitySome Reasons Not to Use Multi-Cavity (>4) Tools (736) 606J. W. Bozzelli, Injection Molding SolutionsA Fast Approach to Automotic Runner Balance (512) 609K.-C. Chen, Yue Ki Industrial Co., Ltd.R.-Y. Chang, National Tsing-Hua UniversityD. C. Hsu, A. S. Lin, CoreTech System Co., Ltd.K. Lu, Takaotec CorporationImproving Polyethylene Performance—The Use of Metallocene Catalysed Polyethylenein Injection Moulding (754) 612M. J. Murphy, P. B. Kelly, G. M. McNally, M. P. Kearns, The Queen's University of BelfastThe Use of Thermomechanical Indices to Establish Straightforward Processing-MechanicalProperties Relationships (188) 617J. C. Viana, A. M. Cunha, University of MinhoN. Billon, Ecole des Mines de Paris

W4—Processing/Controls

Ultrasonic Monitoring of Nozzle and Cavity during Injection Moulding (592) 624E. C. Brown, A. J. Dawson, P. D. Coates, University of Bradford

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Comparing Ultrasonic and Cavity Pressure Sensors for In-the-Mold Process Monitoringin Injection Molding (1038) 629S. Y. Baek, R. Edwards, C. L. Thomas, University of UtahR. Peterson, 3MAn On-Line Measurement Scheme of Melt-Front-Area during Injection Filling via aSoft-Sensor Implementation (278) 633X. Chen, F. Gao, The Hong Kong University of Science and TechnologyNon-Return Valve with Distributive and Dispersive Mixing Capability (18) 638C. Rauwendaal, Rauwendaal Extrusion Engineering, Inc.Injection Molding Tie Bar Extension Measurements via Strain Gauge Collars forOptimized Processing (368) 642N. Miiller, N. R. Schott, University of Massachusetts at Lowell

W21—Processing/Controls

The Establishment of a Processing Window for Thin Wall Injection Molding ofSyndiotactic Polystyrene (237) 648M. Coxe, C. M. F. Barry, University of Massachusetts at LowellD. Bank, K. Nichols, The Dow Chemical CompanyThe Effect of Varying Injection Molding Conditions on Cavity Pressure (421) 653S. Macfarlane, R. Dubay, University of New BrunswickFactors Affecting Shot Size Variation in Injection Molding Processes (729) 658M. R. Groleau, R. J. Groleau, RJG, Inc.Analysis of the Flow Front Profile by In-Line Visualization of the Filling Stage (119) 663G. R. Dias, A. M. Brito, A. M. Cunha, University ofMinhoM. Vincent, Ecole des Mines de ParisApparent Viscosity Measurements for Determining Injection Molding Dimensional Variations (274) 667G. L. Freiberg, Nypro OregonBrownian Dynamics Simulation of Non-Dilute Fibre Suspension Flows in a Centre-Gated Disk (888) 671R. Zheng, P. Kennedy, Moldflow Pty. Ltd.X.-J. Fan, N. Phan-Thien, R. I. Tanner, The University of SydneyPredictive Control of Melt Temperature Incorporating the Effect of Screw Rotation (228) 675R. Dubay, J. Beyea, University of New Brunswick

W22—Analysis

Polymer Raw Material, Process and Production Fingerprints in Injection Moulding (100) 682A. J. Dawson, A. Key, P. D. Coates, University of BradfordShrinkage and Warpage Analysis of Injection-Molded Parts (376) 687T. J. Wang, C-MOLD/AC TechnologyC. K. Yoon, Exxon Chemical CompanyA Knowledge-Based Tuning Method (1135) 693D. Yang, D. Kazmer, K. Danai, University of Massachusetts at AmherstTranscription of Small Surface Structures in Injection Molding—An Experimental Study (653) 698U. R. Arl0, E. M. Kjcer, Technical University of DenmarkOptimization of Cooling Systems in Injection Molds by an Easily Applicable Analytical Model (78) 702N. S. Rao, Plastics Solutions InternationalG. Schumacher, Forschungszentrum InformatikN. R. Schott, University of Massachusetts at LowellK. T. O'BrienPrediction of the Weld Lines in Injection Molding Process Using Neural Networks (372) 707F. Soltani, S. Manoochehri, Stevens Institute of TechnologyModeling of Sink Mark Formation in Cross-Rib-Reinforced Injection-Molded Plastic Parts byLocalized Finite Element Shrinkage Analysis (739) 712L. Shi, M. Gupta, Michigan Technological University

W32—Designing for the Injection Molding Process

*A Study of the Effects of Process Conditions on the Shrinkage of Plastic Parts in Injection Moldingby the Taguchi Method (737) 3068T. C. Chang, E. Faison III, Iowa State University

•Present in a joint session.

ANTEC 20001XV

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*The Effects of Mold Filling on Living Hinge Performance (373) 3074P. J. Brannon, PolytopB. LiPetri, 3D ShapesC. M. F. Barry, University of Massachusetts at Lowell

*Cover Part as an Application Example for Gas-Assisted Injection Molded Parts (880) 3079M. Hansen, Mack Molding Company

•Benchmarking STL-Based Plastic Analysis (410) 3084G. Engelstein, GR Technical Services

*Modeling the In-Mold Coating Process of Thermoplastic Substrates (720) 3091S. Vadlamudi, J. M. Castro, The Ohio State UniversityE. J. Straus, Omnova Solutions Inc.

*Towards Design Guidelines for Injection Molded Biodegradable Plastics Products (474) 3097P. Kandachar, R. Koster, Delft University

W35—Injection Molding

*Shearing of Plastic in Runners Causes Property Differences in Parts (1067) 3552R. H. Bishop, Pennsylvania State University at Erie, The Behrend College

*An Injection Molding Dimensional Capability Comparison of Three Molding TransferModes Each Run under Both a Two and a Three-Stage Molding Strategy 3555M. J. Christie, M. D. Leatherman, Pennsylvania State University at Erie, The Behrend College

*An Injection Molding Process Capability Comparison between Position and Hydraulic TransferModes across Various Degrees of Check Ring Wear (1068) 3559J. D. Nicolia, M. D. Roth, Pennsylvania State University at Erie, The Behrend College

*Effect of Heater Band Orientation on Cavity to Cavity Variations (1043) 3564A. J. Shuttleworth, R. J. Haylett, Pennsylvania State University at Erie, The Behrend College

*Economics of Plastics Materials over the Last Few Decades (1035) 3569N. Chasmawala, University of Massachusetts at Lowell

*Method for Injection Molding a Crosslinkable Extrusion Grade of PEX (1088) 3575J. Kopchick, E. Moore, Pennsylvania State University at Erie, The Behrend College

TH2—CAE/Simulation

Metal Injection Molding: Simulation of Three-Dimensional Flow with Free Surface Boundaryand Experimental Comparison (174) 718F. Ilinca, J.-F. Hetu, A. Derdouri, National Research Council of CanadaB. Holmes, Columbia Powder Injection MoldingC. Scott, J. Stevenson, AlliedSignal, Inc.Warpage Analysis of Solid Geometry (891) 723Z. Fan, R. Zheng, P. Kennedy, H. Yu, A. Bakharev, Moldflow Pry. Ltd.3D Simulation of the Packing-Cooling Stage in Polymer Injection Molding (113) 727F. Ilinca, J.-F. Hetu, National Research Council of CanadaInjection Molding Process Simulation: A Productivity Tool for the Processor (382) 732T. Kruse, Paulson Training Programs, Inc.Development of 0.5 mm Super SO DIMM Connector with Computer Simulation Tools (510) 735S.-C. Lin, J.-M. Yang, W.-L. Yang, CoreTech System Co., Ltd.R.-Y. Chang, National Tsing-Hua UniversityL.-S. Chen, C.-S. Huang, Material Research Laboratories, ITRI3-D Simulation of Thin-Wall Injection Molded Part by CAE (613) 739S. Cha, F. S. Lai, University of Massachusetts at Lowell

TH9—Quality

Improvement of the Molded Part Quality—Optimization of the Plastification Unit (684) 746S. Boelinger, W. Michaeli, Institutfiir Kunststoffverarbeitung (IKV)Intelligent Guidance of the Melt Front in Injection Molding Machines (48) 751A. Bikas, N. Pantelelis, A. Kanarachos, National Technical University of AthensOptimizing Injection Molding towards Multiple Quality and Cost Issues (519) 756D. Yao, B. Kim, University of Massachusetts at AmherstJ. Choi, R. Brown, Lucent TechnologiesDrying: A Closer Look (346) 761T. Schwab, J. E. Perry, Siemens EC

*Present in ajoint session.

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THERMOFORMING DIVISION

M5—Technology

Solution of Inverse Thermoforming Problems Using Finite Element Simulation (786) 768C.-H. Wang, H. F. Nied, Lehigh UniversitySimulation of Pharmaceutical Blister Pack Thermoforming Using a Non-IsothermalIntegral Model (956) 773R. Christopherson, REXAM Medical PackagingB. Debbaut, Y. Rubin, Polyflow S.A.Thermoforming Simulation and Experimental Validation on a Bass Boat Hull (764) 778D. Laroche, R. Connolly, National Research Council of CanadaC. Elie, M. Gundjian, Pelican InternationalThe Use of Hot Impact Testing in the Simulation of the Plug-Assisted Thermoforming Process (707) 783N. J. Martin, J. F. Lappin, E. M. A. Harkin-Jones, P. J. Martin, The Queen's University of BelfastInvestigation of Heat Transfer in the Plug Assisted Thermoforming Process (706) 788P. Collins, J. F. Lappin, E. M. A. Harkin-Jones, P. J. Martin, The Queen's University of Belfast

M23—Applications

Developing a Surface Texture with Film Insert Molding (FIM) (916) 794P. E. Koch, Pennsylvania State University at Erie, The Behrend CollegeM. P. McCarren, Bayer Corporation; Pennsylvania State University at Erie, The Behrend CollegeUsing Branched Polypropylene as a Melt Strength Modifier—Improvement inSheet Sag Resistance (236) 799V. V. DeMaio, D. Dong, A. Gupta, Montell USA Inc.An Analysis of the Heat Exchange Phenomena in Heavy Gauge Thermoforming—Part I (602) 804D. Hylton, T. Spence, E. Sampson, Clark Atlanta UniversityK. Dorsey, R. Parker, Georgia Institute of TechnologyT. Emyael, FachhochschuleVacuum Stamping of a Refrigerator: Identifying Problems through Numerical Simulation,Solving Them and Validating the Solution on the Production Line (489) 811N. G. Pantelelis, P. Megisidis, A. E. Kanarachos, National Technical University of AthensT. M. Marchal, L. Fondin, Polyflow SAEvaluating the Cutting Behavior of Amorphous Poly(ethylene terephthalate) Sheet UsingSteel Rule Dies (91) 816E. Moskala, D. Barr, Eastman Chemical Company

THERMOSET DIVISION

T7—Analysis of Cure in Thermoset Materials

Practical Guidelines for Predicting Steady State Cure Time during Sheet Molding Compound(SMC) Compression Molding (350) 822L. M. Abrams, J. M. Castro, The Ohio State UniversityA Practical Fiber Optic Sensor to Monitor Resin Cure and Interphase Formation (583) 827J. L. Lenhart, Johns Hopkins UniversityJ. H. van Zanten, North Carolina State UniversityJ. P. Dunkers, R. S. Parnas, National Institute of Standards and TechnologyModel-Free Kinetic Analysis of Epoxy Cures (860) 832S. Vyazovkin, University of UtahN. Sbirrazzuoli, University of NiceToughening of Epoxy Resins by Partially Decomposed Polyurethane Waste (74) 840J. Karger-Kocsis, J. Gremmels, University of KaiserslauternThermal Analysis during Epoxy Casting Process for Joint Units of High Voltage Cable (507) 845H. S. Koo, S. J. Park, LG Electronics, Inc.W. B. Kim, C. M. Kim, Y. K. Ha, Y. S. Kim, LG Cable, Inc.3-D Curing Simulation of Thick Thermoset Components (358) 849J. Viego, R. P. Theriault, T. A. Osswald, University of Wisconsin-Madison

ANTEC 20001 xv i i

W8—Characterization and Properties of Thermosets I

*Molecular Design of Thermosetting Systems: Evolution of Properties during Cure in Termsof Transitions (954) 2086J. K. Gillham, Princeton University

^Influence of Chemical Composition on the Rheological Behaviour of CondensationReaction Resins (144) 2091M. Doyle, J.-A. E. Manson, Ecole Polytechnique Federate de Lausanne

*Cure Characterization of an Epoxy Resin System by Thermal Analysis (876) 2096W. X. Zukas, Foster-Miller, Inc.L. L. Ghiorse, E. J. Robinette, U.S. Army Research Laboratory

•Modeling Residual Stresses in Thermosetting Materials (302) 2102P. Prasatya, University of PittsburghG. B. McKenna, S. L. Simon, Texas Tech University

*Crosslinking Kinetics during Continuous Polymerization (845) 2107K. R. Sharma, George Mason University

BLOW MOLDING DIVISION

M17—Blow Molding

* Verification of Parison Shape and Diameter with Extrusion and Blow Molding SimulationSoftware (1074) 3428M. Niemiec, K. Montague, Pennsylvania State University at Erie, The Behrend College

* V e r i f i c a t i o n S t u d i e s o f B l o w M o l d i n g S o f t w a r e o n O v a l i z e d P a r i s o n s i n E x t r u s i o n B l o w M o l d i n g ( 1 0 6 5 ) . . . . 3 4 3 1T. J. Pfleger, G. W. Munz II, Pennsylvania State University at Erie, The Behrend College

*Effects of Processing Parameter on Pinch-Off Designs (1062) 3436C. Weller, M. Marlowe, Pennsylvania State University at Erie, The Behrend College

intermittent Extrusion Blow Molding Using a Reciprocating Screw (1019) 3440N. A. Mancine, Pennsylvania State University at Erie, The Behrend College

T9—Advances in Processing

Thermal Imaging Your Process—No Guesswork (35) 856S. L. Belcher, Sabel Plastechs, Inc.Extrusion Blow Molding Process—Development and Optimization (1134) 857K. Kouba, P. Novotny, AccuformP. Gust, Dr. Reinhold Hagen FoundationParison Wall Control Systems for Extrusion Blow Molding Equipment (222) 863M. Thielen, Krupp KautexScale-Up Rules for Blow Heads (651) 868H. Potente, B. Krell, S. Kramme, University of Paderborn

T27—Product and Part Design

Improving Accuracy of Blow Molding Simulation (725) 874J. Z. Yuan, C. J. Matice, B. Haridas, Stress Engineering Services, Inc.Modelling and Validation of the Blow Moulding of HDPE/Nylon Multilayer Containers (719) 879A. Meddad, P. Debergue, A. Garcia-Rejon, R. DiRaddo, National Research Council of CanadaModel-Based Techniques for Improving Part Development (33) 884A. Attar, L. Pecora, R. DiRaddo, Industrial Materials InstituteN. Bhuiyan, V. Thomson, McGill UniversityThe Effect of Preform and Bottle Design Characteristics on the Performance ofPET Water Bottles (567) 890L. Martin, A. Khalighi, R. Dravetz, Husky Injection Molding SystemsBlow and Injection Molding Process Set-Ups Play a Key Role in Stress Crack Resistance forPET Bottles for Carbonated Beverages (777) 895S. W. Zagarola, Terra Firma International, Ltd.

'Present in ajoint session.

xviii / AN'TEC 2000

MOLD MAKING/MOLD DESIGN DIVISION

M34—Mold Making and Mold Design

*Building Soft Tooling Molds Using Rapid Prototyping and Different Methods of Construction ina University Environment (1031) 3446K. Bussard, Western Washington University

*Modeling Gate Freeze in Hot Runners Using CAE (1087) 3449J. J. Chiamardas, Pennsylvania State University at Erie, The Behrend College

*The Effects of Pulse Cooling on the Molding Cycle and Part Variation (1075) 3454A. S. Lamont, C. J. Linden, Pennsylvania State University at Erie, The Behrend College

•Comparison of Aluminum, Wood, and Epoxy as Thermoforming Mold Materials (1055) 3456D. Oliver

•Sequential Valve Gating for Thin Wall Injection Molding Comparison between ExperimentalResults and Filling Software (1022) 3461R. Shah, University of Massachusetts at Lowell

•Linear Shrinkage Differences in Plastic Injection Molded Parts (1085) 3466D. A. Velarde, M. J. Yeagley, Pennsylvania State University at Erie, The Behrend College

•Development of a Rotational Molding Machine with Integral Heating and Cooling Passageswithin the Mold (1089) 3470J. A. Sunday, Pennsylvania State University at Erie, The Behrend College

T29—Mold Design and Guidelines

The Three-Level Stack Mold (30) 902J. R. Klanfar, H. Rozema, V. Travaglini, Tradesco Mold LimitedTooling Project Management of Injection Molding (663) 907M. Yue, SINOCA AssociatesAdvances in Modular Tool Design Coupled with the In Mold Process Control of Dynamic FeedProvides Lower Tooling Costs, Shorter Lead Times, High Level Part Quality and ImprovedMachine Utilization (1025) 911C. Watkins, Plastic Molding CorporationW. J. Hume, Dynisco Hot RunnersAnticipated Electrical Guidelines for the Upcoming Mold Safety Standard (10) 916T. P. Linehan, D-M-E CompanyHot Runner Molding: Products, Systems and Applications (858) 921D. Hugo, D-M-E CompanyGate Land and Its Effects on Gate/Cavity Pressure Loss (857) 924B. Fierens, S. Mertes, General PolymersDesign Sequential Gating for Family Mold (24) 927A. Pipino, G. Boero, Fiat Research CenterG. Bertacchi, Plastics & ComputerAutomatic Cooling Channels Layout of Straight Cooling Pipes in Injection Molding (756) 932H. Koresawa, H. Suzuki, Kyushu Institute of Technology

W9—Mold Materials

How to Add Value and Solve Mold Problems—With Steel (249) 938F. T. Gerson, F. T. Gerson LimitedP20 and Beyond: Mold Steel for New Challenges (467) 943N. Cerwin, A. Finkl & Sons Co.Use of Copper Alloys to Reduce Mold Condensation Problems (678) 947K. Hayden, P. Engelmann, Western Michigan UniversityJ. Shoemaker, Moldflow Corp.M. Monfore, Johnson Controls Inc.R. Dealey, Dealey's Mold and EngineeringUnderstanding Wear Mechanisms: The Key to Mold Life (677) 952P. Engelmann, K. Hayden, P. Guichelaar, Western Michigan UniversityR. Dealey, Dealey's Mold and EngineeringM. Monfore, Johnson Controls Inc.

'Present in a joint session.

ANTEC 20001 x ix

W28—Moldmaking Innovations

Optimizing the High Speed Machining Process for Hardened Steel Molds (313) 958S. Gunnarsson, B. Nilsson, Uddeholm Tooling ABApplication of Pulsed Electrochemical Machining to Micromold Fabrication (456) 963B. Lilly, The Ohio State UniversityRapid Tooling: The Rapid-to-Market Advantage (633) 968M. J. Janaes, J. E. Folkestad, Colorado State UniversityNew Rapid Tooling Concepts (712) 973F. Lindner, W. Michaeli, Institutfiir Kunststoffverarbeitung (IKV)Stereolithography Inserts—"Pros" and "Cons" to Use Tin as a Backfilling Material (962) 978A. C. Ferreira, C. H. Ahrens, F. H. Lafratta, R. B. Gomide, Universidade Federal de Santa Catarina

APPLIED RHEOLOGY DIVISION

M13—Rheology I

On-Line Viscosity Measurement during Poly(ethylene terephthalate) Extrusion (746) 984R. Gendron, P. Sammut, National Research Council of CanadaA. Correa, C. L. Rohn, Rheometric ScientificA Novel Gas Driven Dual Barrel Capillary Rheometer (486) 989A. Goettfert, GoettfertNovel In-Line Rheometer for Polymer Melts, Compounds and Solutions (415) 993M. McBrearty, Chemical ElectroPhysics Corp.S. Tadros, GE PlasticsThe Modified Imbedded Disc Retraction Method for Measurement of Interfacial Tensionin Polymer Melts (155) 998M. Rodic, A. N. Hrymak, McMaster UniversityBroad Shear Rate Viscosity Measurements via Reconstruction of Fluid Velocity Profilesin Contaminant Melts (863) 1003D. W. Riley, Extrusion EngineersJ. Reilly, A. H. Schall, Dynisco Polymer TestDependence of Draw Resonance on Extensional Rheological Properties of LLDPE (269) 1005M. J. Bortner, D. G. Baird, Virginia Polytechnic Institute and State University

M29—Rheology II

Constitutive Analysis of the Nonlinear Shear Rheology of Flour Suspensions Obtainedfrom Different Botanical Sources (40) 1012C. J. Carriere, A. J. Thomas, G. E. Inglett, United States Department of AgricultureMelt-Flow Instabilities in Metallocene Based Polyethylenes (1106) 1016A. Munoz-Escalona, P. Lafuente, RepsolM. Fernandez, A. Santamana, University of the Basque CountryP. Munoz-Escalona, Universidad Simon BolivarCritical Conditions for the Onset of Unstable Flows of Molten Polymers (233) 1021K. P. Adewale, NOVA Chemicals Inc.A. I. Leonov, University of AkronA Study on Melt Fracture of Linear and Branched Propylene/Butane Solutions withAdditives (950) 1025H. E. Naguib, C. B. Park, University of TorontoViscoplastic Analysis of Hot Embossing in Microfabrication (224) 1032Y.-J. Juang, L. J. Lee, K. W. Koelling, The Ohio State UniversityRheology of Highly Interactive Polymer-Filler Mixtures (642) 1037G. Havet, A. I. Isayev, University of AkronStandard Reference Materials: Non-Newtonian Fluids for Rheological Measurements (106) 1042C. R. Schultheisz, National Institute of Standards and TechnologyG. B. McKenna, Texas Tech UniversityMeasuring Viscosity of Filled Polymer Systems (122) 1047V. B. Warrier, D. B. Todd, Polymer Processing Institute

XX/ANTEC2000

T15—Melt Rheology I

•Polymer Rheology—Challenges for the 21st Century (141) 1054J. M. Dealy, McGill University

•Novel Small and Large Scale Flow Visualisation of Polymer Melts (101) 1056P. D. Coates, M. T. Martyn, M. Kamala, C. Parminter, University of Bradford

•Magnetic Resonance Imaging of Polymer Melt Flows (881) 1061Y. Uludag, M. J. McCarthy, R. L. Powell, University of CaliforniaG. Barall, Quantum Magnetics

•Anisotropic Thermal Conduction in Deforming Polymer Melts (255) 1065D. C. Venerus, J. D. Schieber, H. Iddir, J. D. Guzman, A. W. Broerman, Illinois Institute of Technology

•Measuring the Low Frequency Linear Viscoelastic Properties of Polymer Melts: Trials with PDMSUsing Sphere-Plane Squeeze Flow and Interferometry (282) 1070E. C. Cua, M. T. Shaw, University of Connecticut

T34—Melt Rheology II

•The Role of Interfacial Slip in Melt Rheology of Immiscible Polymer Blends (1016) 1076R. Zhao, C. W. Macosko, University of Minnesota

•PEN-Poly(ether imide) Blends: Melt Rheology and Stress Relaxation in Semi-Crystalline Films (918) 1081J. R. Gillmor, J. Greener, Eastman Kodak Company

•Direct Numerical Simulations of Drops and Bubbles in Viscoelastic Shear andPressure Driven Flows (867) 1086P. Singh, S. B. Pillapakkam, A. Narh, New Jersey Institute of Technology

•Thermorheological Investigation of Entangled Branch Polybutadienes Having DifferentArchitectures and Arm Lengths (79) 1091M. T. Islam, Juliani, L. A. Archer, Texas A&M University

•The Effect of Molecular Structure on the Extensional Melt Rheology of Conventional andMetallocene Polyethylenes (207) 1096C. K. Chai, BP Amoco Chemicals

•Flow Behavior of Sparsely Branched Metallocene-Catalyzed Polyethylenes (319) 1101P. J. Doerpinghaus, S. E. Bin Wadud, D. G. Baird, Virginia Polytechnic Institute and State University

•Rheology of Randomly Branched Polymers (111) 1106R. H. Colby, Penn State UniversityC. P. Lusignan, Eastman Kodak CompanyJ. Janzen, Phillips Petroleum Company

JOINING OF PLASTICS & COMPOSITES DIVISION

M31—Hot Plate Welding

Morphology and Mechanical Behaviour of Polypropylene Hot Plate Welds (125) 1112M. J. Oliveira, C. A. Bernardo, Universidade do MinhoD. A. Hemsley, Polymer Microscopy ServicesComparative Study of Contact and Non-Contact Hot Plate Welding of HDPE (795) 1117B. Poopat, A. Benatar, The Ohio State UniversityJ. B. Park, Visteon, Ford Motor CompanyInfluence of Process Parameters on the Phenomenon of Stress Cracking duringHot Plate Welding (429) 1122H. Potente, J. Schnieders, University of PaderbornComparison of DOE Methods on Hot-Plate Welding of Polypropylene (727) 1126M. St. John, R. Grimm, Edison Welding InstituteToward a Weld-Strength Data Base for Hot-Tool Welding of Thermoplastics (944) 1132V. K. Stokes, GE Corporate Research and Development

T16—Infrared Welding

Welding of Plastics: Introduction into Heating by Radiation (351) 1138C. Bonten, C. Tiichert, University of EssenThrough-Transmission Infrared Welding (TTIR) of Teflon® TFE (PTFE) (324) 1143R. A. Grimm, Edison Welding Institute

*Present in a joint session.

ANTEC 20001 xxi

TTIR Welding of Aliphatic Polyketone (742) 1148D. A. Grewell, Branson Ultrasonics CorporationW. Nijenhuis, Shell ChemicalsMethods for Making Nearly Invisible Welded Joints in Clear Polymers (326) 1153R. A. Grimm, B. Christel, J. Robinson, Edison Welding InstituteAssessment of a New, Completely Controlled, IR Welding System Using StatisticallyDesigned Experiments (151) 1159M. Troughton, TWIJ. Wermelinger, Georg Fischer Piping Systems Ltd.

T35—Laser Welding

Use of Infrared Dyes for Transmission Laser Welding of Plastics (158) 1166I. A. Jones, N. S. Taylor, TWIR. Sallavanti, Gentex CorporationJ. Griffiths, University of LeedsLaser Transmission Welding of Semi-Crystalline Thermoplastics—Part I: Optical Characterizationof Nylon-Based Plastics (794) 1171V. A. Kagan, R. G. Bray, W. P. Kuhn, HoneywellLaser Transmission Welding of Semi-Crystalline Thermoplastics—Part II: Analysis ofMechanical Performance of Welded Nylon (856) 1182V. A. Kagan, HoneywellG. P. Pinho, MAGNA, ATCMorphology and Thermal Loading in Laser Welding of Thermoplastics (424) 1191J. Vetter, F. Duriau-Montagne, G. W. Ehrenstein, University of Erlangen-NurembergD. Hansch, Fraunhofer Institute fiir Lasertechnik (ILT)Welding of Polymers Using a Diode Laser (710) 1196J. Schulz, E. Haberstroh, Institutfiir Kunststoffverarbeitung (IKV)

W14—Ultrasonic Welding

Weldability Diagram for the Ultrasonic Welding of Thermoplastics in Far-Field (913) 1202S.-J. Liu, B.-C. Chang, L.-H. Chien, G.-M. Wu, Chang Gung UniversityY.-K. Chuah, National Taipei University of TechnologyOptimizing the Joint Strength of Ultrasonically Welded Thermoplastics in Near-Field (914) 1207S.-J. Liu, W.-F. Lin, B.-C. Chang, Chang Gung UniversityA Case Study on the Application of Finite Element Modeling in Ultrasonic Resonator Design (830) 1212T. R. Kirkland, J. A. Kosterman, Dukane UltrasonicsUltrasonic Heating and Hardening of Hot Melt Adhesive (793) 1217K. M. Kwan, A. Benatar, The Ohio State UniversityDesign of Experiment (DOE) Procedures to Evaluate Ultrasonic Weldability of Materials (129) 1222J. Park, J. Liddy, Visteon Automotive Systems

W33—Adhesives and Fastener

The Effect of Monomer Structure on the Adhesive Properties of Thermally ReversibleIsocyanate Polymers (143) 1228D. M. Bigg, METSS CorporationR. A. Markle, Battelle"Kinetic" Welding of Plastic Parts (789) 1232J. A. H. Jones, Y. Mahadevaiah, B. Koroskenyi, S. Mehta, S. P. McCarthy, University of

Massachusetts at LowellInduction-Assisted Bonding of Elevated Temperature Curing Adhesive Systems (698) 1237S. Yarlagadda, B. Gourichon, J. W. Gillespie, Jr., University of DelawareB. K. Fink, S. H. McKnight, U.S. Army Research LaboratoryJoint Performance of Mechanical Fasteners under Dynamic Load (426) 1242A. Tome, G. W. Ehrenstein, University of ErlangenF. Dratschmidt, EJOT GmbH & Co. KGLaser Surface Modification of Polymers to Enhance Adhesion Part II—PEEK, APC-2, LCP and PA (939) 1248S. M. Tavakoli, TWIS. T. Riches, Micro Circuit EngineeringElectrofusion Joint Strength of Polyethylene Pipes (649) 1253H. Nishimura, F. Inoue, H. Inoue, H. Tani, Y. Higuchi, Osaka Gas Co., Ltd.

xx i i / ANTEC 2000

Avoiding the GIGO Syndrome—Combining the Real and Virtual Worlds in Analysis ofPolymer Product Failures (801) 1257J. Moalli, S. Kurtz, R. Sire, S. Srivastav, M. Wu, Exponent Failure Analysis Associates

TH7—Joining of Plastics and Composites

On the Experimental Investigation of High-Frequency Dielectric Sealing of PVC (543) 1264B. Brahimi, Algerian Institute of PetroleumU. Yilmazer, Middle East Technical UniversityMultilayer Films Using PP/PPgAA Blends (138) 1269S. Flores-Gallardo, S. Sanchez-Valdes, L. F. Ramos de Valle, CIQAThe Role of a Heat Affected Zone (HAZ) on Mechanical Properties in Thermally WeldedLow Density Polyethylene Blown Film (837) 1273T. E. Weston, Pennsylvania College of TechnologyI. R. Harrison, Pennsylvania State UniversityHeat Affected Zone Structure in Vibration Welded Polyvinylidene Fluoride and Its Copolymer (931) 1278D. Valladares, M. Cakmak, University of AkronAn Assessment of Weld Heterogeneities in PMMA Using Birefringence (664) 1283R. J. Wise, R. Thomas, TWIOptimizing Welding Temperature of Semi-Crystalline Thermoplastics—Memory Effects of Nylon (763) 1288V. A. Kagan, Honeywell

ROTATIONAL MOLDING DIVISION

M12—Materials

The Foaming Mechanism in Rotational Molding (62) 1304J. Throne, Sherwood Technologies, Inc.Rotational Molding of Polyethylene Foam by Pellets (911) 1309S.-J. Liu, C.-H. Yang, Chang Gung UniversityProcessing of Polypropylene Foams in Melt Compounding Based Rotational Foam Molding (935) 1314R. Pop-Iliev, C. B. Park, University of TorontoInvestigation of Rotational Moulding Characteristics and Mechanical Properties ofMetallocene Polyethylene (360) 1326X. Wang, E. Harkin-Jones, The Queen's University of BelfastR. J. Crawford, The University of AucklandA. M. Fatnes, Borealis ASAn Investigation of the Rotomoldability of New Generation Polyethylene (619) 1331E. Takacs, D. Annechini, J. Vlachopoulos, McMaster UniversityM. Kontopoulou, Queen's University

M28—Materials and Processing

Studies on the Rotomolding of Liquid Crystalline Polymers (227) 1338P. Rangarajan, J. Huang, D. Baird, Virginia Polytechnic Institute and State UniversityInfluence of the Percentage of Gel Content on Impact Strength of Cross-Linked RotationallyMoulded Parts (142) 1343R. Soares, J. F. Orr, The Queen's University of BelfastR. J. Crawford, The University of AucklandPrediction of Degradation of Polyethylene during Rotational Molding (82) 1351M. C. Cramez, M. J. Oliveira, Universidade do MinhoR. J. Crawford, The University of AucklandModelling of Bubble Formation in Rotational Molding (757) 1356C. T. Bellehumeur, J. S. Tiang, University of CalgaryA Comparison between Open Flame and Hot Air Heating Methods for the RotationalMoulding of Plastics (352) 1360M. P. Kearns, N. Corrigan, The Queen's University of BelfastR. J. Crawford, The University of Auckland

ANTEC 20001 xxiii

T14—Rotational Molding and Product Design and Development

•The What, How and Why of Rotational Molding (183) 1368G. L. Beall, Glenn Beall Plastics, Ltd.

•Aesthetics, Industrial Designers, and Designing for Rotational Molding (182) 1372G. Bothun, Design Verks, Inc.

•Design for Rotational Molding (180) 1377J. I. Rotheiser, Rotheiser Design Inc.

•Designing for the Process? (Design Details to Avoid) (181) 1382K. Bather, Diamond Plastics

•Computer Aided Design for Rotationally Molded Parts (179) 1385J. Fawcett, Fawcett Design Inc.

•Design of Stiffening Features in Rotationally Moulded Plastic Parts (4) 1388R. J. Crawford, The University of Auckland

T33—Additives

Improving the Performance of Rotomolding Resins (531) 1394A. Spence, Centro IncorporatedInfluence of Mica and Talc Fillers on the Properties of Rotationally Moulded LLDPE (330) 1399A. Robert, J. F. Orr, The Queen's University of BelfastR. J. Crawford, The University of AucklandAdding Value to Rotational Moldings with Color and Special Effects (730) 1404N. Henwood, Just Roto Inc.A Gram of Prevention: Additives to Improve UV Stability and Processability ofRotomolded Parts (555) 1409T. Steel, L. Davis, Cytec Industries, Inc.

VOLUME II—MATERIALS

ELECTRICAL AND ELECTRONIC DIVISION

T5—Electrical and Electronic Polymers I

Anisotropic Electrical Percolation and Electrostatic Dissipation in Chaotically MixedCarbon Black Filled Polyethylene Composites (34) 1418S. G. Kasliwal, A. A. Ogale, D. A. Zumbrunnen, Clemson UniversityFactorial Design Approach Applied to Electrically Conductive Nylon 6,6 (39) 1423J. A. King, E. H. Weber, M. L. Clingerman, Michigan Technological UniversityThe Study of the Optimum Processing Temperatures for Styrene-Complex/Cu Substrates (895) 1427S. H.-Y. Tsai, H. C.-H. Hu, Industrial Technology Research InstituteT. C.-K. Yang, National Taipei University of TechnologyElectrical Static Dissipative Composites Made from Coated Fillers (387) 1431B. P. Grady, W. B. Genetti, University of OklahomaColorable Thermoplastic Compounds for Electrostatic Painting Applications (252) 1434B. Nelson, S. J. Dahman, RTP CompanyElectromagnetic Shielding and Protection against ESD by Using Stainless Steel Fibres (814) 1438J. Versieck, Bekaert Fibre Technologies

T21—Electrical and Electronic Polymers II

Structural Order and Charge Transport in Polymers (586) 1444A. J. Epstein, V. N. Prigodin, The Ohio State UniversityEvolution of the Anisotropic Structure of Poly(phenylene vinylene) Films with Stretching (1132) 1449R. Ou, R. Samuels, Georgia Institute of TechnologyX. Wang, R. Gregory, Clemson UniversityPolydiacetelene Fiber Optic Pressure Sensors (202) 1453M. Tabib-Azar, S. Angkaew, J. Lando, Case Western Reserve UniversityConductive Thermoplastic Elastomers (251) 1458S. J. Dahman, T. Holzbauer, B. Nelson, RTP Company

*Present in ajoint session.

xxiv / ANTEC 2000