Polyester raw material, and film produced therefrom

Details Polyester raw material, and film produced therefrom Polyester raw material, and film produced therefrom

1995-05-09

1997-03-18

Krynski, William

Stock material or miscellaneous articles

Composite

428323, 428327, 428330, 428331, 428338, 428339, 428480, B32B 904

Patent

active

056121385

ABSTRACT:
The invention describes a novel polyester raw material and the production and use of an oriented, single- or multilayer film having an overall thickness of .ltoreq.4 .mu.m and a roughness on at least one film surface of R.sub.a <30 nm, where the surface gas-flow resistance on at least one film surface is

REFERENCES:
patent: 3980611 (1976-09-01), Anderson et al.
patent: 5316714 (1994-05-01), Yoneda et al.
Chemical Abstracts, vol. 110, No. 16, Apr. 17, 1989, abstract of JP-A-63 235 336, published Sep. 30, 1988.
Chemical Abstracts, vol. 110, No. 14, Apr. 3, 1989, abstract of JP-A-63 238136, published Oct. 4, 1988.

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