Photographic film subbing layer comprising vinylidene chloride a

Details Photographic film subbing layer comprising vinylidene chloride a Photographic film subbing layer comprising vinylidene chloride a

1976-10-04

1980-07-22

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

428483, 526303, G03C 180

Patent

active

042137837

ABSTRACT:
Subbing layers in photographic films especially for polyester such as polyethylene terephthalate film supports comprise copolymers of 75 to 90 mole % of vinylidene chloride, 2 to 16 mole % of acrylonitrile or methacrylonitrile or a copolymerizable ester, e.g. methyl acrylate or vinyl acetate, 0.5 to 5 mole % of itaconic acid or a monoalkyl ester of itaconic acid wherein the alkyl group contains 1 to 4 carbon atoms and 3 to 8 mole % of acrylamide, methacrylamide or N-methylolacrylamide.

REFERENCES:
patent: 1234755 (1917-07-01), Agfa
patent: 1286457 (1918-12-01), Agfa
patent: 2943937 (1960-07-01), Nadeau et al.
patent: 3236818 (1966-02-01), Covington
Chemical Abstracts vol. 75, (1971) col. 142110h. _

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