High Density Thermoplastic Polyesters for Sheet Extrusion
Source abstract
Abstract
High density thermoplastic polyester compositions which had been developed for injection molding were modified for sheet extrusion and thermoforming. Formulations were optimized to enhance processability for ex trusion and thermoforming by increasing melt strength at lower shear rates. A Design of Experiments was used to further optimize extrusion processing con ditions. Temperature and feed rate were found to be critical for optimum sur face appearance.
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Research context
OpenAlex topics: Injection Molding Process and Properties · Additive Manufacturing and 3D Printing Technologies · Polymer crystallization and properties
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Affiliations
GE Plastics 1 Lexan Lane Mt. Vernon, IN 47620
References (3)
Show source-provided references
1. Walsh, E.B., R.R. Gallucci and R. Courson. 1991. "High Density Thermoplastic Polyesters," ANTEC '91 Lancaster, PA: Technomic Publishing Co., Inc., p 1334.
2. 1989. See Technology News in Plastics Technology (December):23.
3. Gruenwald, G. · 1987