Fluorine resin type weather-resistant film

Details Fluorine resin type weather-resistant film Fluorine resin type weather-resistant film

1990-10-10

1992-07-21

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428215, 428421, B32B 300, B32B 702, B32B 2708

Patent

active

051321645

ABSTRACT:
A fluorine resin type weather-resistant film of multi-layer structure comprising a front surface layer made of a composition (A) comprising, as main commponents, from 50 to 95 parts by weight of a vinylidene fluoride resin and from 5 to 50 parts by weight of a methacrylate resin and a rear surface layer made of a composition (B) comprising, as main components, from 50 to 95 parts by weight of a methacrylate resin, from 5 to 50 parts by weight of a vinylidene fluoride resin and from 0.1 to 15 parts by weight of an ultraviolet absorber, wherein the overall thickness of the film of multi-layer structure is from 10 to 150 .mu.m, and the thickness of the front surface layer of the film is from 2 to 50 .mu.m.

REFERENCES:
patent: 3454518 (1969-07-01), Kelly
patent: 4272585 (1981-06-01), Strassel
patent: 4317860 (1982-03-01), Strassel
patent: 4415519 (1983-11-01), Strassel
patent: 4444826 (1984-04-01), Sasaki et al.

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