Neutralization layer formed of copolymer obtained from...

Details Neutralization layer formed of copolymer obtained from... Neutralization layer formed of copolymer obtained from...

G - Physics

03

C

96/23

G03C 7/00 (2006.01) G03C 8/52 (2006.01)

Patent

CA 1095766

ABSTRACT OF THE DISCLOSURE A diffusion transfer photographic material has a neu- tralization layer for lowering a pH value increased by application of an alkaline processing composition; the neutralization layer comprises a copolymer containing, as monomer units, a monomer bearing at least one carboxyl group and/or at least one group hydrolyzable into a carboxyl group and a monomer bearing at least one fluorine atom, in this way the alkalinity can be substanti- ally decreased without interfering with the formation of diffusion transfer images.

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