Photographic elements with improved surface characteristics

Details Photographic elements with improved surface characteristics Photographic elements with improved surface characteristics

1982-10-18

1984-05-22

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430523, 430950, 430961, G03C 178

Patent

active

044502303

ABSTRACT:
Photographic elements, comprising a support, at least a light-sensitive silver halide emulsion layer and an external non light-sensitive gelatin protective layer, have the surface delustered by the presence in the external protective layer of water-soluble vinyl polymers which contain, as pendant groups, methylolamide moieties.
Preferably said water-soluble vinyl polymers are polymethylolacrylamide and copolymers of methylolacrylamide and other unsaturated vinyl monomers, such as ethylacrylate, acrylamide, acrylic acid, ethylvinylether and butylvinylether, said copolymers containing at least 50% by weight of unities derived from the vinyl monomer containing the methylolamide moiety.

REFERENCES:
patent: 3877947 (1975-04-01), Tsuji et al.
patent: 4013472 (1977-03-01), Horie et al.
patent: 4232117 (1980-11-01), Naoi et al.

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