Water-resistant photographic paper support

Details Water-resistant photographic paper support Water-resistant photographic paper support

1986-11-21

1988-03-15

Ives, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Weight per unit area specified

428513, 4285377, 430530, 2641761, B32B 2732, B32B 2900, G03C 176

Patent

active

047312912

ABSTRACT:
A photographic paper support material for photographic purposes is disclosed with a polyolefin coating on both sides, wherein the base paper is internally sized by using a hydrophobizing sizing agent, and is surface sized with an aqueous coating mixture. The aqueous coating mixture contains a carboxyl-modified polyvinyl alcohol and optionally includes compounds with polyvalent cations. The paper support material is preferably used with such photographic layers as require wet development and wet fixing of the photographic image with photographic processing solutions.

REFERENCES:
patent: 4327174 (1982-04-01), von Meer
patent: 4478910 (1984-10-01), Oshima et al.

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