Conference Proceedings
Conference Proceedings Plastics Are Shaping Tomorrow Today April 18-21,1988 Society of Plastics Engineers IMG, POLYMER MO DIFIERS&ADDmV ES, THERMOPLA STICS, FAILURE ANALYSIS, COM PUTERSINPLAS TICS, MATERIALS & FOAMS, ENER GETIC PROCESS ING, POLYMERS COLOR & APPEAR ANCE, ENERGE TIC, DISPOSING & RECYCLING OF PLASTIC ALLOYS & BLE NDS, PLASTICS IN ELECTRONICS &PHOTOTRONICS 46th ANNUAL iCHNICAL CONFERENCE & EXHIBITS Contents COLOR AND APPEARANCE DIVISION Synthetic Complex Metal Oxide Pigments for Plastics 2 J. Hackman, The Shepherd Color Co. Colored Luminescence—The Next Frontier 7 T. Mahany II, Eldon Enterprises Ltd. Liquid Color in PET Packaging 10 D. Peacock, PDI The Effects of Metal Ions on Daylight Fluorescent Pigments in Plastic Systems 12 J. Cook, Day-Glo Color Corp. Colorants for Polymers Regulation as Indirect Food Additives 16 G. McCowin, Food and Drug Administration Refractive Index—A Key to Understanding Color Differences 18 B. Donald, Dow Chemical Co. R. Mathew, Americhem, Inc. The Effect of Concentrate Viscosity Characteristics on Color Development in LLDPE Film 22 R Patet, Colortech Inc. W. Baker, Queen's University Concentrates of Minerals, Additives, and Pigments Using Low MW Polypropylene Carriers 24 L. Bourland, ARCO Chemical Co. Color Stability of Pigmented Polystyrene 28 D. Holtzen, £ /. du Pont de Nemours & Co., Inc. EXTRUSION DIVISION Extrusion Characteristics of Polypropylene Resins 34 C. Cheng, Exxon Chemical Co. Analysis of Slump in Plastic Pipe Extrusion 38 A. Giacomin, Texas A&M University S. Doshi, McGill University Product Liability—Who Pays for It? , 41 R. Gregory, Robert Gregory Associates, Inc. Evaluating Extruder Screw Performance 45 E. Steward and W. Kramer, Crompton & Knowles Corp. On-Line Additive Injection in the Extrusion Process 51 S.
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