Biaxially oriented polyamide film

Details Biaxially oriented polyamide film Biaxially oriented polyamide film

1983-08-23

1985-06-11

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

264176R, 2642902, 428332, 4284744, 528336, 528339, B32B 2734, B32B 320, B28C 1702

Patent

active

045228671

ABSTRACT:
A biaxially-oriented amorphous polyamide film and the preparation thereof are described. The film exhibits good physical and optical properties. In a specific embodiment, the amorphous polyamide is a product of the polymerization of 2,2-bis(4-aminocyclohexyl)propane with a mixture of adipic acid and azelaic acid. The polymer is extruded as a sheet and biaxially oriented under described conditions to produce a clear film having a high glass transition temperature and improved elongation properties.

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patent: 4120928 (1978-10-01), Furukawa et al.
patent: 4286018 (1981-08-01), Asakura et al.
patent: 4341827 (1982-07-01), Austen et al.

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