Thermoplastic raw material and film produced therefrom

Details Thermoplastic raw material and film produced therefrom Thermoplastic raw material and film produced therefrom

1996-10-23

2000-08-22

Chen, Vivian

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428323, 428328, 428329, 428330, 428331, 428338, 428458, 428480, 428694SG, 428910, 428327, B32B 1504, B32B 1508, B32B 2720, B32B 2736

Patent

active

061069264

ABSTRACT:
A thermoplastic raw material, such as a polyester, containing particles (I) having an average particle diameter of <0.5 .mu.m and particles (II) having an average particle diameter of from 3.3 to 4.0 .mu.m, is useful, for example, in the production of an oriented monolayer or multilayer film having a total thickness of .ltoreq.4 .mu.m and a roughness on at least one film surface of R.sub.a <30 nm, the surface gas flow time t on at least one film surface being <2900 sec and the winding stability of the film being at least 8000. The film is useful, for example, as a capacitor film.

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patent: 5164439 (1992-11-01), Sakamoto et al.
patent: 5284699 (1994-02-01), Nishino et al.
patent: 5401558 (1995-03-01), Sakamoto et al.
patent: 5478632 (1995-12-01), Kurz et al.
patent: 5532047 (1996-07-01), Okazaki et al.

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