Shaped structure of polyarylate copolymers having high tensile e

Details Shaped structure of polyarylate copolymers having high tensile e Shaped structure of polyarylate copolymers having high tensile e

1989-09-29

1991-11-12

Kendell, Lorraine T.

Stock material or miscellaneous articles

Structurally defined web or sheet

174110PM, 174110SR, 428375, 428379, 428394, 428395, 428480, B32B 2706

Patent

active

050647040

ABSTRACT:
Extruded shaped structures of amorphous polyarylate copolymers, having a tensile elongation at break of at least 80% at 25.degree. C., are made by drawing a molten extrudate of the copolymer at a temperature at least 100.degree. C. above the glass transition temperature of the copolymer.

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patent: 4775717 (1988-10-01), Ishihara
patent: 4804711 (1989-02-01), Ishihara
patent: 4835243 (1989-05-01), Eckhardt et al.

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