Polyolefin-coated photographic support material

Details Polyolefin-coated photographic support material Polyolefin-coated photographic support material

1993-12-06

1995-03-07

Sluby, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Weight per unit area specified

428323, 428409, 428513, 428514, 428534, 4285375, 4284788, 430536, 430538, B32B 2708, G03C 176

Patent

active

053956893

ABSTRACT:
A photographic support material with a coating on each side. At least one of the coatings comprises a mixture of polyolefins and optional agents that have a positive effect on the utilization of the support material. A white pigment is an example. The polyolefin mixture comprising the coating contains at least one copolymer of an .alpha.-olefin with an .alpha., .beta.-unsaturated carboxylic acid. At least 5% and preferably 20% to 80% by weight of the mixture is copolymer.

REFERENCES:
patent: 4665014 (1987-05-01), Katsura
patent: 4895757 (1990-01-01), Wysk et al.
patent: 5008150 (1991-04-01), Ashida et al.
patent: 5082724 (1992-01-01), Katsura

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