Reduction of optical brightener migration in polyolefin coated p

Details Reduction of optical brightener migration in polyolefin coated p Reduction of optical brightener migration in polyolefin coated p

1990-10-22

1991-10-29

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430271, 430501, 430523, 430538, G03C 176

Patent

active

050616102

ABSTRACT:
In the preparation of a light sensitive photographic paper wherein the paper support contains a polyolefin coating the polyolefin is subjeced to two corona discahrge treatments, the first to prevent optical brightener from exuding from the polyolefin upon storage and the second after storage and before coating the next adjacent layer unto the polyolefin surface.

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