Reverse side coating of photographic support materials

Details Reverse side coating of photographic support materials Reverse side coating of photographic support materials

1993-02-23

1994-06-07

Lusignan, Michael

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430531, 430538, 430625, 430635, 524394, 524444, G03C 176

Patent

active

053188861

ABSTRACT:
A photographic support material comprising a plastic foil or plastic coated paper coated on the rear side with a composition that can be printed with thermal printers and does not pick up dirt or discoloration in developing baths, has good adhesive tape adhesion, good printability with conventional printers, good abrasion resistance and bath resistance, and a good antistatic finish. The coating composition comprises an aqueous mixture of colloidal aluminum modified silica, a polyfunctional aziridine, an alkali salt of an organic polyacid, and a plastic dispersion with free carboxyl groups, a residual monomer content of < 200 ppm, > 50 mol % rigid monomers in the polymer and the interfacial tension of the dried film of > 50 dyn/cm.

REFERENCES:
patent: 4908277 (1990-03-01), Tsunashima et al.
patent: 5051475 (1991-09-01), Tsunashima et al.
patent: 5221555 (1993-06-01), Saverin et al.

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