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CONTENTS

VOLUME I—PROCESSINGEXTRUSION DIVISION

Interlayer Adhesion between Acrylic Acid Copolymers and Low Density Polyethylene:Test Method Development and Impact of Extrusion Variables 2G. L. Young, T. J. Pope, The Dow/Chemical CompanyBlown Film Frost Line-Freeze Line Interactions 15T. I. Butler, S. Lai, R. P. Patel, J. E. Spuria, The Dow Chemical CompanyThe Influence of Polymer Processing Additives on the Surface, Mechanical, andOptical Properties of LLDPE Blown Film 28T. J. Blong, D. F. Klein, 3M Specialty Fluoropolymer DepartmentA. V. Pocius, 3M Adhesive Technologies CenterM. Strobel, 3M Corporate Research Process Technology LabResidence Time Distribution in Spiral Mandrel Die Design 35J. Perdikoulias, Brampton EngineeringC. Tzoganakis, A. Penlidis, University of WaterlooPredicting Film Strength Properties of PCR/LLDPE Blends 38A. L. Simons, V. Firdaus, Mobil Chemical Company

*A New Approach to Reactive Compounding 46D. J. van der Wai, L. P. B. M. Janssen, University of Groningen

*Preparation of Starch Derivatives by Reactive Extrusion 50M E . Carr, National Center for Utilization Research, ARS, USDA

•Reactive Extrusion of PP-g-AA with Alkyl Amines 55X. C. Wang, C. Tzoganakis, G. L. Rempel, University of Waterloo

*Poly(isoprene-g-styrene) by Reactive Extrusion 62W. Michaeli, W. Frings, A. Ortmann, Institut fur KunststoffverarbeitungH. Hocker, Deutsches Wollforschungsinstitut

•Modeling of Polymer Flow in Single Spiral Dies 70A. Sakthivel, Hercules Incorporated

•Comparison of Experimental Velocity Measurements in the Manifold of anExtrusion Die with Numerical Predictions 75R. Shanker, R. Ramanathan, W. J. Schrenk, The Dow Chemical Company

•Thermal Effects on Layer Uniformity of Coextrusion Flows 80E. Takacs, A. Torres, J. Vlachopoulos, A. N. Hrymak, McMaster University

•Flow Birefringence in the Manifold Region of an Extrusion Die 83S. Jons, R. Ramanathan, W. J. Schrenk, D. L. Headley, The Dow Chemical Company

•Coextrusion Layer Thickness Variation—Effects of Geometry on Layer Rearrangement 89J. Dooley, R. Ramanathan, The Dow Chemical Company

•Use of Die Modeling to Improve the Manufacturing Process for Extruded Silicone Rubber 94C. Reese, Dow Corning Corporation

•Melt Grafting of a Basic Monomer onto Polyethylene in a Twin Screw Extruder 102K. E. Oliphant, W. E. Baker, Queen's University

•The Grafting of Polystyrene on Starch in a Twin-Screw Extruder 108R. A. de Graaf, L. P. B. M. Janssen, University of Groningen

•Continuous Polymerization in a Back-Mixed Drag Flow Reactor 113Y. Lu, J. A. Biesenberger, D. B. Todd, Stevens Institute of Technology

•Continuous Polymerization of Caprolactam in a Twin Screw Extruder On-LineBlending and Melt Spinning to Form Blend Fibers 116H. Kye, J. L. White, The University of Akron

•Present in a joint session.

ANTEC '94/bi

• Non-Homogeneous Mixing Rates and Conversion 123C. Maier, GE Corporate Research and DevelopmentM. Lambla, EAHP-ULPD. Bigio, University of Maryland

•Evaluation of Chemically Modified Polypropylene with Various Glass Fiber Types,for Performance Enhancement in Glass Filled Polypropylene 127R. C. Constable, BP Chemicals Inc.

•Transesterification of Ethylene Vinyl Acetate Copolymer in a Modular IntermeshingCorotating Twin Screw Extruder with Different Screw Configurations 131P. J. Kim, J. L. White, University of AkronEffect of Head Pressure Variation on Stability: An Experimental Verification 142J. R. Thompson, Davis Standard—Division of Crompton Knowles CorporationA Melt Bank Monitoring and Control System for Sheet Forming 146M. Yagi, Toshiba Machine Co., Ltd.Extruding HIPS on ABS Screws 151J. R. Powers, M. A. Spalding, K. S. Hyun, The Dow Chemical CompanyContinuous Three-Dimensional Forming of Extruded Shapes 156T. Jacobson, C. Rauwendaal, Continuous Molding, Inc.Debugging and Optimizing Extruder Performance Using Process Data Collectedwith a Data Acquisition System 162K. S. Hyun, M. A. Spalding, The Dow Chemical CompanyResidence Time Distribution in Extruders Determined by In-Line Ultrasonic Measurements 167R. Gendron, L. E. Daigneault, J. Tatibouet, M. M. Dumoulin, Industrial Materials InstituteHeat Transfer during Polymer Melting in ZSK Extruder 172J. Curry, A. Kiani, Werner & Pfleiderer CorporationIntelligent Advisor to Assist Extruder Operators: A Case Study 182V. A. Folwarczny, J. Gish, Intelligent Systems Application Center (ISAC)J. Witt, Witt Plastics Inc.Screw Speed Control Strategy for Multicomponent Extrusion 187J. F. Stevenson, T. E. Codispoti, B. Chung, GenCorp ResearchGravimetric Throughput Control for Twin-Screw-Extruder/Gear Pump Systems 193D. Wolf, J. Wortberg, University of EssenM. Mahlke, Bayer AGR. Stehr, MAAG Pump Systems AGThe Use of Bubble Kinematics in the Scale Up and Processing-PropertyAnalysis of the Blown Film Process 202A. M. Sukhadia, Phillips Petroleum CompanyScale-Up of LLDPE Blown Film Extrusion 211P. P. Shirodkar, V. Firdaus, H. Fruitwala, Mobil Chemical CompanyCast Film Extrusion with Water Bath Cooling 218P. R. Mitchell, Arlin Mfg. Co., Inc.N. R. Schott, The University of Massachusetts at LowellCorrelation between the Plastic Strain and the Properties of the Low andLinear Low Density Polyethylene Blown Films 224A. K. Babel, G. A. Campbell, Clarkson UniversityCounter-Rotating Die Design in Micro Blown Film Line 229W. Chinsirikul, T. C. Hsu, I. R. Harrison, The Pennsylvania State UniversityDevolatilization of PDMS Gums: A Performance Comparison ofCo- and Counter-Rotating TSEs 234K. G. Powell, General Electric Corporate Research and DevelopmentScale-Up Study of Co-Rotating Fully Intermeshing Twin Screw ExtrudersUsing 47 mm, 69 mm, and 96.5 mm Diameters 239J. P. Christiano, Davis Standard—Division of Crompton Knowles CorporationEffect of Screw Root Profile on PMMA Melting in Counter-RotatingNon-Intermeshing Twin Screw Extruder 248S. Satija, Rohm and Haas Co.C. S. Tucker, Welding Engineers

•Present in a joint session.

X/ANTEC '94

Specific Throughput as an Operating Parameter for Mixing 256D. Bigio, W. Baim, K. Wang, University of MarylandThe Geometry of Self Cleaning Twin Screw Extruders 261C. Rauwendaal, Rauwendaal Extrusion EngineeringThe Effect of Viscosity Ratio and Volume Fraction on the Distributive Mixingof Two Miscible Fluids in the NITSE 266W. Baim, D. Bigio, University of MarylandThe Twin-Screw Mixing Element Evaluator: On-Line Performance Evaluation ofModular Twin-Screw Mixing Elements 270C. G. Gogos, M. Esseghir, D. W. Yu, D. B. Todd, Polymer Processing InstituteJ. E. Curry, Werner & Pfleiderer CorporationDeveloping Melt Temperature in Flight Clearances 278S. J. Derezinski, Eastman Kodak CompanyBarrel Cooling Effects in PET Extrusion 282E. L. Steward, Davis Standard—Division of Crompton Knowles CorporationA Device to Study Solids Compaction and Conveying in Single Screw Extrusion 288C. G. Gogos, M. Zafer, D. Sebastian, D. B. Todd, Design and Manufacturing Institute

and Polymer Processing InstituteK. S. Hyun, M. A. Spalding, The Dow Chemical CompanyMaterial Selection, Screw Design, and Process Optimization Using Expert Systems 293R. Rakos, S. K. Basu, Polymer Processing InstituteFEA of Flow in Single Screw Extruders 298C. Rauwendaal, J. Anderson, Rauwendaal Extrusion Engineering, Inc.The Effect of Elongational Viscosity on Polymer Melt Distribution in Extrusion Dies 306J. Vlcek, Compuplast InternationalJ. Perdikoulias, Brampton EngineeringJ. Vlachopoulos, McMaster UniversityC. Tzoganakis, University of WaterlooArea Deformation as a Basis for Mixing Prediction 310S. Zerafati, D. Bigio, University of MarylandFully Transient Analysis of Heat Transfer in Single andTwin Screw Mixing Elements 318A. Kiani, J. E. Curry, Werner & Pfleiderer CorporationE. Grald, Fluent Inc.3D Finite-Element Analysis of the Flow in the Intermeshing Region ofCo-Rotating Twin Screw Extruders 327M. A. Huneault, M. M. Dumoulin, Industrial Materials InstituteThree Dimensional Numerical Analysis of an Energy Transfer (ET) Screw Sectionof a Single-Screw Extruder 332T. A. Plumley, M. A. Spalding, J. Dooley, K. S. Hyun, The Dow Chemical CompanySimulating Mixing in the Extrusion Process 336A. Biswas, B. A. Davis, P. J. Gramann, L. Stradins, T. A. Osswald, University of Wisconsin-Madison

INJECTION MOLDING DIVISION

Process Quality Assurance for Injection Molding of Thermoplastic Polymers 342J. C. Rowland, K. Ho-Le, Moldflow Pty. Ltd.An Investigation of Time Based Holding Pressure Profiles 348M. Bandreddi, R. Nunn, R. Malloy, University of Massachusetts at LowellA Total System Approach to Improving an Injection Molded Plastic Part Quality 353Q. Zou, Black and Decker Inc. (US)G. Ari, Bowles Fluidics CorporationOn the Study of Surface Defects in the Injection Molding ofRubber-Modified Thermoplastics 360M. C. O. Chang, Monsanto CompanyVisual Analyses of Flow Marks Generation Process Using Glass-InsertedMold-Part I. Micro-Grooved Flow Marks 368H. Ybkoi, Y. Murata, University of TokyoS. Nagami, Mitsui Petrochemical Industries, Ltd.A. Kawasaki, Sekisui Chemical Co., Ltd.

ANTEC '94 / x i

Fiber Orientation and the Mechanical Properties of SFRP Parts 374E. Henry, P. Kennedy, Moldflow Pty. Ltd.S. Kjeldsen, GrundfosFiber Length Degradation in the Feed Zone during Injection Molding 378A. Parkar, SCIMED Life Systems, Inc.R. E. Nunn, S. A. Orroth, University of Massachusetts at LowellInjection Molding Process Development for Long Fiber Reinforced Thermoplastics 384C. G. Gogos, C. K. Yoon, J. Brizzolara, Stevens Institute of TechnologyVisual Analysis of Fiber Orientation Process by Glass-Inserted Mold. Part 1:Analysis Using a Back-Lighting Method 392H. Yokoi, Y. Murata, University of TokyoY. Nishi, Polyp las tics Co., Ltd.T. Seki, Toppan Printing Co., Ltd.Applications of Fiber Orientation Analysis in Injection Molding ofFiber-Filled Composites 397C. S. Randall, AC Technology North America, Inc.H. H. Chiang, AC Technology, Inc.Experimental Study of Gas-Assisted Injection Molding 404S. Y. Yang, S. J. Liou, National Taiwan UniversityInfluence of Processing Parameter on Quality of Gas-Assisted-Injection-Molded Parts 408S. Y. Yang, S. J. Liou, National Taiwan UniversityFilling and Packing CAE Software for Gas Injection Molding 411G. Sherbelis, Moldflow Pty. Ltd.Numerical Simulations and Experimental Studies of Gas-Assisted Injection Molding 417S. C. Chen, K. S. Hsu, Chung Yuan UniversityM. C. Jeng, Central UniversityGeneral Design Guidelines for Gas-Assisted Injection Molding Using a CAE Tool 421K. S. Barton, AC Technology North America, Inc.L. S. Turng, AC Technology, Inc.Characterization and Studies of Clamp Force Generation Using Toggle Molding Machines 428R. W. Peterson, D. F. Reuter, 3M Corporate Molding Technology CenterCapability Evaluation of a Toggle Clamping System for Injection Compression Molding 435M. Rahman, N. R. Schott, V. N. Reddy, University of Massachusetts at LowellRemanufacture of Toggle and Hydraulic Clamp Injection Molding Machines 439S. R. Schroeder, John Brown Plastics MachineryAn Empirical Study of Various Non-Return Valves Available to the InjectionMolding Industry Today 444T. W. Womer, M. F. Durina, Spirex CorporationThe Measurement and Control of Nozzle Melt Temperature in Injection Molding 448G. Ruscitti, W. I. Patterson, M. R. Kamal, McGill UniversityEquipment Temperature Influence on Infrared Temperature Measurements 454L. E. Barron, Dynisco Instruments Inc.

•Preventing Plastic Part Failure after Radiation Sterilization 464J. A. Stubstad, K. J. Hemmerich, Ageless Processing Technologies

•Effect of Injection Molding Process on Radiation Stability of Polypropylenes 470N. M. Tollefson, T. A. Shepard, Becton Dickinson Research Center

•Injection Molding of LDPE/BaSO4 Blends for Medical Applications 474K. Amellal, C. Tzoganakis, G. L. Rempel, A. Penlidis, University of Waterloo

•Injection-Spin Process 479B. Cao, T. Shepard, N. Tollefson, H. Sugg, Becton Dickinson Research Center

•The Effect of Chemical Visbreaking and Molding Conditions on Physical Propertiesof Three Polypropylenes: Homopolymer, Random Copolymer, and Heterophasic Copolymer 483M. R. Drickman, Himont U.S.A., Inc.Real-Time Optical Monitoring of Polymer Injection Molding 490A. J. Bur, National Institute of Standards and TechnologyC. L. Thomas, University of Utah

•Present in a joint session.

•S\i/ANTEC '94

Experimental Investigation of Thermal Contact Resistance in Injection Molding 496B. 0. Rhee, AJOU UniversityC. A. Hieber, K. K. Wang, Cornell UniversityInvestigation of Thermal Conduction between Mold and Melt duringInjection Molding Process 501M. K. Liao, C. S. Li, National Taiwan UniversityThe Effects of Differential Mold-Surface Temperatures on the Warpage ofPacked Injection-Molded Parts 506W. C. Bushko, V. K. Stokes, GE Corporate Research and DevelopmentShrinkage Analysis of Injection Molded Polypropylene Parts 513A. Mamat, F. Trochu, B. Sanschagrin, Applied Polymer Research CentreMisuse and Abuse of Plastic Process Simulation 520G. Engelstein, GR Technical ServicesInterpreting Process Set-Up Sheets for Flow Analysis 522C. S. Randall, AC Technology North America, Inc.Computer Analysis-The Optimization Tool for the '90s 527C. Austin, Moldflow Pty. Ltd.Warpage Analysis and Resulting Improved Design for a Laser-Printer Part 531S. Ni, Tianjin Institute of Light IndustryR. A. Guinn, Lexmark International Inc.Simulation of the Complete Injection Cycle 542P. Ehret, A. Davidoff, F. Jacque, CisigraphH. Bung, French Atomic Energy Commission3D Effects in Injection Molding Simulation 547G. Batch, 3M Corporate Molding Technology CenterNumerical Simulation of the Sequential Filling in Injection Molding Process 554D. M. Gao, K. T. Nguyen, P. Girard, G. Salloum, Industrial Materials InstituteShrinkage of Packed Injection-Molded Parts: Simulation of Gate Freeze-Off Effects 559W. C. Bushko, V. K. Stokes, GE Corporate Research and DevelopmentNew Developments in the Simulation of Injection Moulding and Special Processes 565W. Michaeli, S. Galuschka, Institut fur KunststoffverarbeitungAn Experimental Comparison of State of the Art High Shear Rate PolymerRheological Characterization Techniques 572C. T. Burke, GE PlasticsD. O. Kazmer, Stanford UniversityHigh Modulus Impact Copolymer Polypropylene. Effects of Polymer and ProcessingVariables on the Physical Properties of Injection Molded Articles 579G. Hebert, Himont USA, Inc.Injection Molding of Semi-Crystalline Polymers: Characterization and Modeling 587A. I. Isayev, T. W. Chan, M. Gmerek, K. Shimojo, University of AkronProcessing Effects for High Speed Thin Wall Injection Molding of PolyethyleneImproved Processing (IP) Resins 593A. Whetten, D. Belcher, The Dow Chemical CompanyInjection Molding for Part Stress Reduction in Plating Grade ABS 601M. Serrano, The Dow Chemical CompanyAdvanced Styrenic Resins: A New Alternative for Value Engineering 608J. R. Montanye, J. McGettrick, The Dow Chemical CompanyIntroduction to Dynamic Feed Control for Injection Molding 616D. O. Kazmer, Stanford UniversityMonitoring the Multiple Live Feed Injection Molding Process with Cavity Instrumentation 621S. Parekh, S. Desai, J. Brizzolara, Stevens Institute of TechnologyA Moving Boundary Technique to Strengthen Weld Lines in Injection Molding 626G. Gardner, R. Malloy, University of Massachusetts at LowellIncreasing Weld-Line Strength through Dynamic Control of Volumetric Shrinkage 631D. O. Kazmer, Stanford UniversityD. S. Roe, GE PlasticsWeldline Strength Evaluation in Injection Molded HDPE/PA6 Blends 637S. Fellahi, B. Fisa, B. D. Favis, Ecole Polytechnique de Montreal

ANTEC '94/xiii

Advanced Methods for Monitoring Injection Molding Processes 644B. Souder, United Technologies Research CenterS. Woll, D. Cooper, University of ConnecticutForce Reflex Energy Differential Sensing—A New Method to Quantify the Molding Process 651F. J. Buja, Hi-Volume Molding/Machine Co., Inc.Gaining Statistical Process Control of Injection Molding Machines:To Buy or Not to Buy 655M. F. Martin, The Dow Chemical CompanyEffects of Small Changes in the Melt Viscosity on the Filling and PackingStages of Injection Molding 659A. J. Poslinski, C. A. Deborski, S. Aslam, GE Corporate Research and DevelopmentTemperature Profiles and Shear Heating Effects in Polymer Processing: Tapered Die 666M. Yue, A. K. Wood, University of Manchester and UMISTStudy of Polymer Melt Flow during Injection Molding Using Co-InjectionMolding Technique 671S. C. Chen, K. F. Hsu, W. R. Jung, Chung Yuan UniversityAn Intelligent Function-Based Design System for Injection Molded Plastic Parts 680S. Manoochehri, Stevens Institute of TechnologyDesign for Cost of Plastic Injection Molded Parts 684D. W. Merino, Jr., D. N. Merino, Sr., Stevens Institute of TechnologyConcurrent Design Methodology for Injection Molded Parts 687D. H. Sebastian, Stevens Institute of TechnologyExpert System for Injection Molding 692R. E. Farrell, L. Dzeskiewicz, The Pennsylvania State University-Erie, The Behrend CollegeThe Use of Process Measurements for Real Time Injection Moulding Process Control 696R. G. Speight, P. D. Coates, J. B. Hull, University of BradfordControl of Cavity Pressure during Packing 701W. I. Patterson, M. R. Kamal, McGill UniversityF. Gao, Moldflow Pty. Ltd.Cavity Pressure Control during Cooling 706M. R. Kamal, W. I. Patterson, McGill UniversityF. Gao, Moldflow Pty. Ltd.Effect of Variable Injection Speed in Injection Mould Filling 712D. M. Gao, K. T. Nguyen, P. Girard, G. Salloum, Industrial Materials InstitutePart Dimensional Consistency with Different Switchpoint Controls Techniques 716M. Wagner, Xerox CorporationMAD Approach to the Determination of Optimum Machine Setups in InjectionMolding of Thermoplastics 721D. B. Hunkar, Hunkar Laboratories, Inc.Applying Design of Experiment Analysis Techniques to the Injection Molding Process 729P. J. Blyskal, P. J. Meheran, PreSource Technologies, Inc.An Experimental Study of Ejection Temperature and Cooling Time for Injection Molding 733F. S. Lai, Y. S. Wang, H. H. Tseng, University of Massachusetts at Lowell

•The Secrets of Proper Gate, Runner, and Vent Design 740D. M. Bryce, Texas Plastic Technologies

•Effects of Molding Conditions upon the Molding Shrinkage of Polypropylene 745W.-S. Jou, National Kaohsiung Institute of Technology

•An Integrated Design System for 3-D Runner Balancing of Injection-Molding Process 749W. R. Jong, S. C. Chen, Chung Yuan Christian UniversityK. K. Wang, Cornell University

•Use of Computerized Mold Filling Analysis to Optimize Tool Design 754S. E. Blackson, ARCO Chemical Company

•Artificial Intelligence in Runnerless Molding 759T. P. Linehan, D-M-E CompanyF. Humbert III, American MSI

•Present in a joint session.

XW/ANTEC '94

•Use of a Differential Scanning Calorimeter as a Trouble Shooting Toolfor Injection Molding 766S. L. Thompson, The Pennsylvania State University-Erie, The Behrend College

•Dimensional Stability for Powder Injection Molding Using Isothermal Techniques 770R. T. Shaffer, The Pennsylvania State University-Erie, The Behrend College

•Modeling the Shear Dissipation along the Injection Screw during Injectionfor Various Materials 7730. P. Bartholomew, The Pennsylvania State University-Erie, The Behrend College

•A Math Model to Predict the Actual Melt Viscosity to be Used in Flow Analysis Software 778M. L. Selker, The Pennsylvania State University-Erie, The Behrend College

•Comparison of Mechanical Properties between Isothermal Molding and Injection Molding 783C. T. Stipkovic, The Pennsylvania State University-Erie, The Behrend College

•A Study of Corner Cooling as Related to Warpage Analysis 786J. E. Shrock, The Pennsylvania State University-Erie, The Behrend College

•Warpage Scale to Evaluate Injection Molded Plastics 791D. E. Heberlein, Jr., The Pennsylvania State University-Erie, The Behrend College

•The Effects of Shear on Fiber Filled Materials during Injection Molding 796G. Turcovsky, The Pennsylvania State University-Erie, The Behrend CollegeExperimental Validation of Mold Cooling Analysis 802M. Rezayat, D. Hampton, Structural Dynamics Research CorporationM. Yamabe, T. Ishii, Nissan Motor Co., Ltd.Temperature Prediction of Part and Mold Using Finite Element Simulations 809Y. Lauze, J.-F. Hetu, Industrial Materials InstituteDevelopment of Cooling Process Window for Injection Molding 813D. Bigio, B. Xie, University of MarylandPrediction of Anisotropic Shrinkage of an Injection Molded Part 817H. Kumazawa, Japan Synthetic Rubber Co., Ltd.Visual Analysis of Fiber Orientation Process by Glass-Inserted Mold.Part II: Analysis Using a Fiber Tracing Method 824H. Yokoi, Y. Murata, University of TokyoN. Nagaya, Fanuc Ltd.H. Harada, Sekisui Chemical Co., Ltd.Visual Analyses of Flow Marks Generation Process Using Glass-Inserted Mold—Part II. Synchronous Flow Marks with Same Phases on Both Top and BottomSurfaces of Molded Samples 829H. Yokoi, Y. Murata, University of TokyoY. Deguchi, Sekisui Chemical Co., Ltd.1. Sakamoto, Sumitomo Heavy Industries, Ltd.Measurement of Shear Stress Distributions on a Mold Cavity Wall duringthe Filling Process 833H. Yokoi, N. Masuda, R. Kosaki, University of TokyoInverse Method for Obtaining the Temperature Profile within a Mold Cavityvia IR Pyrometry 836J. X. Rietveld, G.-Y. Lai, University of Wisconsin-Madison

THERMOFORMING DIVISION

Thermoforms and the Solid Waste Issue 842N. H. Malone, Jr., Eastman Chemical CompanyExperimental Study of Thermoforming Dynamics 844M. J. Stephenson, M. E. Ryan, State University of New York at BuffaloSome New Results in Modeling of Thermoforming 850K. Kouba, M. O. Ghafur, J. Vlachopoulos, McMaster UniversityW. P. Haessly, Eastman Kodak Co.The Sag Process in Modified Polypropylene 854C. A. Cruz, Jr., Rohm and Haas CompanyDevelopment of Sparsely Reinforced Elastomer Sheet 860D. F. Watt, R. Pan, University of Windsor

•Present in a joint session.

ANTEC '94 / x v

A New Polypropylene Resin with Enhanced Thermoformability 865P. Jacoby, J. C. Yang, W. J. Kissel, Amoco Chemical CompanyThermoformed Packaging to Extend the Shelf-Life of Fresh Meats 872J. Caldwell, Eastman Chemical CompanyThe Sleeping Giant: Thermoforming 877R. Kostur

THERMOSET DIVISION

•The Effect of Recycled Phenolics on Processing 880D. A. Hoffman, The Pennsylvania State University-Erie, The Behrend College

•The New Plastic "Masonry" Block 884T. P. Morrissey, T. W. Sinnett, Shawnee State University

•The Use of Polyurethane Elastomers for Orthodontal Applications 886L. M. Rembiszewski, University of Massachusetts at Lowell

•Rubber Toughening of Thermosetting Poly (methyl methacrylate) 889P. Brandenburger, Lehigh University

•Determining Mold Filling Analysis Accuracy for Thermoset Material 894E. A. Mutkus, The Pennsylvania State University-Erie, The Behrend CollegeCalculation of Volume-Flow Disturbance on RIM Plant 898W. Michaeli, K. Hohenauer, Institut fur KunststoffverarbeitungProcessing of Glass Fiber Reinforced Composites with RIB in StructuralResin Transfer Molding with Twin Injection System 904H. Hamada, N. Ikegawa, Z. Maekawa, Kyoto Institute of TechnologyQuality Improvement in Thermoset Processing through the Use of New Processing Methods 909T. Schroder, Battenfeld GmbHExperimental Verification on Simulating Shrinkage and Warpage of ThinCompression Molded SMC Parts 914T. A. Osswald, E. M. Sun, S.-C. Tseng, University of Wisconsin-MadisonP. J. Gramann, The Madison Group: Polymer Processing Research Corp.Simultaneous Dielectrometry and Rheology of Model Epoxy Resins 918A. Ajji, P. Sammut, M. M. Dumoulin, Industrial Materials InstituteE. Bellefleur, L. Boutin, IBM CanadaRecycling of Mineral Filled Thermoset Epoxy 924J. P. Whalen, D. D. Poston, Loranger Manufacturing CorporationPhenolic Composites with Recycled Paper Fibers 929R. D. Deanin, G. F. Bixby, University of Massachusetts at LowellEvaluation of Regrind in Thermoset Applications 931L. A. Dzeskiewicz, J. D. Ralston, The Pennsylvania State University-Erie, The Behrend CollegeViscosity Characterization of Fast-Curing Epoxy Molding CompoundUsing a Modified Slit Rheometer 935S. Han, K. K. Wang, Cornell UniversityDielectric Analyses of Microelectronic Epoxy Compounds 941H. W. Rauhut, Dexter Electronic MaterialsDilatometry of Thermoset Resins in Reactive Processing 951M. Kinkelaar, S. Muzumdar, B. Wang, Y.-Y. Chiu, L. J. Lee, The Ohio State UniversityModification of Polyester Composites by the Use of Cellulosic Fibersand Butyl Acrylate Monomer 956C. F. Jasso, R. Sanjuan, E. Mendizabal, Universidad de GuadalajaraSyntheses and Properties of AHyl Novolac Resin/Polyurethane InterpenetratingNetwork Polymers 959W. Y. Chiang, D. M. Chang, Tatung Institute of Technology

BLOW MOLDING DIVISION

Systems Integration for Downstream Operations 964S. H. Aidlin, Aidlin Automation CorporationShuttle IML & Value Added Packaging for the '90s 969T. L. Blucher, Techne Graham—A Division of Graham Engineering Corporation

•Present in a joint session.

xvi/ANTEC '94

A Novel Method of Developing a Blow Molding Head 971Y. Kanoh, Ube Industries, Ltd.H. Furuya, L. Ferguson, GE PlasticsThe New Extrusion Blow Molding Machine-Standard PET Resin 980S. L. Belcher, Sabel Plastechs, Inc.Manufacture of Axle Boots Made of Thermoplastic Elastomers 985K. Haub, Ossberger-Turbinenfabrik GmbH & Co.

•Recycled Content in PET Bottles-A Review of the Options 996M. Bakker, Technology Forecast

•Recycling Postconsumer PVC Bottles: Technology and Market Development 1001W. F. Carroll, Jr., Occidental Chemical Corporation

•Recycling of Polyolefins in Blow Moulding 1004R. W. DiRaddo, L. Pecora, A. Garcia-Rejon, Industrial Materials InstituteJ. I. Inch, Ciba-Geigy Canada Ltd.

•Blow Molding of Low Modulus TPO Resins 1010O. J. McGarel, Quantum Chemical Company

•Blow Molding of Long Fiber Reinforced Thermoplastics 1016M. Thielen, Krupp Forschungsinstitut GmbHDetermining the Center Layer Volume of Multilayer Bottles 1022K. Kurtz, KONA CorporationSimulation and Experimental Study of Annular Extrusion from Round,Non-Round and Coextrusion Dies 1026R. W. DiRaddo, A. Garcia-Rejon, L. Pecora, D. Poirier, Industrial Materials InstituteZero Defects via Integrated Quality Systems and Procedures 1031C. Maczko, TopWave Instruments USA3-D Numerical Simulation of the Blow Moulding Process 1037

- B. Debbaut, B. Hocq, Y. Jiang, J. M. Marchal, Polyflow S.A.Heat Transfer Dynamics of the Cooling and Solidification Phase of Blow Moulding 1042R. W. DiRaddo, A. Garcia-Rejon, Industrial Materials InstituteLow Energy Drying and Heating of Raw Plastic Resins for the Productionof Blow Molded Container 1048R. Farrag, FASTI GmbHProcess Drying—Innovations in Technology and Energy Efficiency Advancements 1052D. Rainville, R. Crawford, Universal Dynamics, Inc.Cost-Effective Mold Dehumidification of Blow and Injection Molds and ToolsUsing a Refrigerant Based System 1058B. Stipsits, FASTI GmbHPET Preforms for Custom Containers: Achieving Competitive Prices andAvailability-Without the Pain 1061J. C. Maddox, Broadway Companies, Inc. and Encon, Inc.

MOLD MAKING & MOLD DESIGN DIVISION

•Utilizing Stereolithography to Produce a Rapid Prototype Thermoforming Mold 1064D. S. Cummings, The Pennsylvania State University-Erie, The Behrend College

•Computer Integrated Manufacture of an Injection Mold 1069D. Picarsic, North Carolina Agricultural and Technical State University

•Creating Mold Technology for the Isothermal Molding Process 1073J. D. Davis, The Pennsylvania State University-Erie, The Behrend College

•Selecting the Proper Gate Selection Using Moldflow 1077H. E. Payne, Jr., D. K. Knauff, Shawnee State University

•Using Stereolithography to Produce Production Injection Molds 1082K. Maley, The Pennsylvania State University-Erie, The Behrend College

•Comparing Thermoforming Computer Analysis to Actual Molded Parts 1085D. D. Lumpkin, The Pennsylvania State University-Erie, The Behrend College

•Development of Mold Design Software 1090M. A. Lodenstein, D. M. Romps, P. Tran, Western Michigan University

•Present in a joint session.

ANTEC '94/XVU

•Rapid Mold Prototyping through Investment Casting 1094G. D. Dunham, The Pennsylvania State University-Erie, The Behrend CollegeIntegration of CAD/CAM/CAE in Mold Design and Manufacturing 1100H. H. Tseng, F. S. Lai, University of Massachusetts at LowellT. Peng, Keymold Enterprise & Engineering Co.Minimize Injection Molded Plastic Part Warpage by ApplyingWarpage Analysis in Mold Design 1104Q. Zou, J. R. Horney, Black and Decker Inc. (US)Concurrent Engineering Approach to Injection Mold Design and Fabrication 1111V. B. Gerdes, D. Webb, C. Chassapis, Stevens Institute of TechnologyDetermining the Correct Number of Cavities by Utilization of Elemental LinearRegressions at the Planning Stage 1117R. J. Peret, Nypro Inc.Expandable Cavity Technology 1123J. CullisonA New Prehardened Stainless Mold Base Steel 1126E. J. Tarney, Crucible Service CentersThe Lastest Developments in Steel Technology for Molds 1132B. Gehricke, Research/Quality Engineering and Testing LaboratoriesJ. Worbye, Thyssen Specialty SteelsAn Inexpensive Tooling Method for Prototype and Short Run Small Parts 1136J. C. Kiester, Colorado Small Parts, Inc.Prototype Spray Metal Injection Mold for Long Fiber Reinforced Thermoplastic Part 1142M. Cantwell, C. Chassapis, Stevens Institute of TechnologyValve Gating Large Parts: Doing It in a Compact Way 1148P. Weick, Husky Injection Molding SystemsValve to Valve Shut-Off in Stack Molds 1151D. S. Vettor, Mold-Masters LimitedThe Internally Heated Runnerless Molding System 1154T. P. Linehan, D-M-E CompanyAdvanced Hot Runner System Design for Enhanced Color Change Capabilities 1160W. J. Hume, KONA CorporationAdvances in Runnerless Molding Technology 1164A. Bernhardt, G. Bertacchi, Plastics & Computer

•The Secrets of Proper Gate, Runner, and Vent Design 740D. M. Bryce, Texas Plastic Technologies

•Effects of Molding Conditions upon the Molding Shrinkage of Polypropylene 745W.-S. Jou, National Kaohsiung Institute of Technology

•An Integrated Design System for 3-D Runner Balancing of Injection-Molding Process 749W. R. Jong, S. C. Chen, Chung Yuan Christian UniversityK. K. Wang, Cornell University

•Use of Computerized Mold Filling Analysis to Optimize Tool Design 754S. E. Blackson, ARCO Chemical Company

•Artificial Intelligence in Runnerless Molding 759T. P. Linehan, D-M-E CompanyF. Humbert III, American MSI

APPLIED RHEOLOGY SPECIAL INTEREST GROUP

Role of Rheology in Processes Involving Free Surfaces 1170J. M. Dealy, McGill UniversityExtrudate Swell Behavior of Engineering Plastics Reinforced with Glass Fibers 1172R. Yazici, A. Wagner, D. M. Kalyon, S.-B. Han, Stevens Institute of TechnologyEntrance Pressure Loss and Extrudate Roughness during HDPE Extrusion 1175X. Wang, Brownsburg Technical CentreP. J. Carreau, P. G. Lafleur, Ecole Polytechnique de Montreal

•Present in a joint session.

XVUl/ANTEC '94

Melt Fracture Behaviour of a Molten Polypropylene 1180I. B. Kazatchkov, S. G. Hatzikiriakos, University of British ColumbiaC. W. Stewart, E. I. du Pont de NemoursOptimized Data Collection for Determination of MWD from Dynamic Viscosity 1188Y. Liu, M. T. Shaw, University of ConnecticutW. H. Tuminello, DuPont Experimental StationThe Application of SPC to Capillary and Dynamic Oscillatory Rheometers 1193S. S. Bafna, W. L. Ford, Solvay Polymers Technical CenterMeasuring the Viscoelastic Properties of Polytetrafluoroethylene Copolymersat Ultrasonic Frequencies 1198V. Thomas, A. J. Giacomin, A. Wolfenden, Texas A&M UniversityAccuracy in Linear Viscoelastic Property Measurement: Effects ofInstrument Compliance and Inertia Revisited 1205W. J. Tchir, Dow CanadaP. C. Saucier, Dow CanadaNumerical Study of Extrudate Swell 1212Y. Sasaki, Nippon Petrochemical Co.M. R. Kamal, I. Ansari, W. Frydrychowicz, McGill UniversityM. E. Ryan, State University of New York at BuffaloCapillary Rheometry Revisited 1216J. F. Reilly, P. S. Oliver, Kayeness, Inc.Rheological Modeling of Insite Technology Polymers 1221T. A. Plumley, S. Y. Lai, S. R. Betso, G. W. Knight, The Dow Chemical CompanyClosed Loop Control of Recycled HDPE Crosslinking Using an In-Line Rheometer 1228A. Pillo, W. I. Patterson, J. M. Dealy, McGill UniversityInfluence of Polymer Structure on the Melt Strength Behavior of Polyethylene Resins 1232S. K. Goyal, Novacor Chemicals Ltd.Applications of Rheology in the Computer Industry 1239T. E. Karis, IBM Research DivisionPerformance of High Melt Strength (HMS) Polypropylene Resins in ExtrusionCoating Process 1243H. J. Yoo, Himont R&DCDifferences in Behaviour of Various Polyethylene Melts through Numerical Simulation 1247E. Mitsoulis, G. Barakos, University of Ottawa

JOINING OF PLASTICS & COMPOSITES SPECIAL INTEREST GROUP

The Effect of Ageing on Structure and Properties of Hot Plate Welds inAcrylonitrile-Butadiene-Styrene 1254S. M. Tavakoli, TWIStructure Evaluation of Polyethylene and Polypropylene Hot Plate Welds 1258S. M. Stevens, TWIModeling Thermal Degradation during Thermoplastic Fusion Bonding ofThermoset Composites 1263E. D. Wetzel, R. C. Don, J. W. Gillespie, Jr., University of DelawarePollutants from Laser Cutting and Hot Gas Welding of Polymer Based Materials 1269J. Sims, TWIP. A. Ellwood, H. J. Taylor, Occupational Medicine and Hygiene LaboratoriesComparison of Three Methods for Welding Glass-Fibre Reinforced PES 1274H. Potente, J. Natrop, T. Klit Pedersen, M. Uebbing, University ofPaderbornEffects of Process Conditions and Internal Lubricants on the Pull-OutResistance of Threaded Inserts in Polypropylene 1282E. Lokensgard, Eastern Michigan UniversityAnalysis of a Taper-Taper Adhesive-Bonded Joint in a Composite Flat Plate 1284J. E. Helms, Ethyl CorporationC. Yang, S. S. Pang, Louisiana State UniversityEnhanced Finite Element Analysis (FEA) for Adhesive Joining of CompositePlates with Preferred Fiber Orientation 1289J. B. Park, Automated Analysis Corp.R. H. Visintainer, Ford Motor Co.

ANTEC '94/xix

Application of Thermoplastic Resistance Welding Techniques to Thermoset Composites 1295R. C. Don, S. H. McKnight, E. D. Wetzel, J. W. Gillespie, Jr., University of DelawareEffect of a Strain Relief Insert on the Buckling Strength of a Composite Plate 1300P. Herrington, University of New OrleansProcess Optimisation in Ultrasonic Welding of the AWS-Test Sample 1306H. Potente, D. Hanning, E. Moritzer, University ofPaderbornAmplitude Control in Ultrasonic Welding of Thermoplastics 1311D. A. Grewell, J. L. Frantz, Branson Ultrasonics Corporation, USAUltrasonic Welding of Regrind Plastics 1317B. Infantino, Eastman Kodak CompanyThe Effects of Moisture on the Vibration Welding of Polyamide 1320H. Potente, M. Uebbing, Universitat-GH PaderbornThe Hot-Tool Welding of Acrylonitrile-Butadiene-Styrene 1327V. K. Stokes, GE Corporate Research and DevelopmentApplication of an Integrated Process Model for Fusion Bonding ofThermoplastic Composites 1334S. T. Holmes, R. C. Don, J. W. Gillespie, Jr., University of DelawareA Feasibility Study of Radio Frequency Joining of HDPE Using ConductivePolymeric Composite 1341C. F. Faisst, Jr., Eastman Kodak Co.A. Benatar, The Ohio State UniversityJoining of Short Fiber Glass Reinforced Polypropylene Using ResistanceHeated Fusion Bonding 1347M. G. McBride, S. H. McKnight, J. W. Gillespie, Jr., University of DelawareElectromagnetic Welding of Thermoplastics and Specific Design Criteriawith Emphasis on Polypropylene 1352S. M. Chookazian, Ashland Chemical Inc.Joining Thermoplastic Lined Steel Pipe 1356N. S. Taylor, TWIHigh Speed Welding of Plastics Using Lasers 1360I. A. Jones, N. S. Taylor, TWI

VOLUME II-MATERIALSELECTRICAL & ELECTRONIC DIVISION

The Attributes of Functionalized Polybutadiene Resins in Electrical Encapsulations 1366R. H. Boutier, Elf Atochem North America, Inc.Flow Visualization for Thermoset Transfer Molding 1371L. T. Manzione, J. D. Weld, AT&T Bell LaboratoriesMeasurement and Modeling of Solvent Removal from Thin Polymer Films 1375J. Gu, G. A. Campbell, Clarkson UniversityCrosslinking Techniques for Electrical Jacketing Materials 1379B. Thorburn, Nissin High Voltage America, Co., Ltd.Total Value Analysis of Plastic Electronic Components 1386F. C. Jaarsma, J. Carrizales, Hoechst-Celanese CorporationElectrical Percolation in Short Fiber Composites: Continuum SpaceMonte Carlo Simulations and Experimental Results 1392A. A. Dani, A. A. Ogale, Clemson UniversityPermanent EMI Shielding of Plastics Using Copper Fibers 1396M. V. Murthy, Doss Plastics Inc.The Effect of Extrusion Parameters on the Physical and ElectricalProperties of Static Dissipative Polymer Blends 1401R. J. Coots, T. E. Fahey, A. Giovannitti-Jensen, The BFGoodrich CompanyThin-Film Polymer Batteries for Electric Vehicles 1406S. J. Visco, M. M. Doeff, L. C. De Jonghe, Lawrence Berkeley Laboratory

XX/ANTEC '94