Polyurethane-polyanhydride subbing layer for photo sensitive ele

Details Polyurethane-polyanhydride subbing layer for photo sensitive ele Polyurethane-polyanhydride subbing layer for photo sensitive ele

1976-06-01

1978-06-06

Brammer, Jack P.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

428425, 428483, 428524, 427171, 427173, 427209, 427385B, 427407G, 427414, G03C 178

Patent

active

040934586

ABSTRACT:
Polymeric subbing compositions for polyester photobase, especially polyethylene terephthalate films, comprising, a mixture of a polyurethane resin with a homopolymer or copolymer or a mixture of a homopolymer and a copolymer of an unsaturated cyclic carboxylic acid anhydride, preferably maleic anhydride or itaconic anhydride, in which the mixture contains up to 75% by weight of the anhydride polymer.

REFERENCES:
patent: 3454424 (1969-07-01), Schneider
patent: 3492122 (1970-01-01), Takenaka et al.
patent: 3649438 (1972-03-01), Ross
patent: 3674531 (1972-07-01), Shephard et al.
patent: 3695918 (1972-10-01), Ward

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