Multilayer photographic support material

Details Multilayer photographic support material Multilayer photographic support material

1986-09-23

1988-03-08

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430531, 430532, 430536, G03C 176

Patent

active

047299452

ABSTRACT:
A method for making a support paper for a photographic emulsion having a smooth unmottled surface which comprises applying to the top side of a photographic base paper pigmented monomeric liquid, acrylic coating mixture, hardening the mixture by bombarding with a beam of electrons at room temperature and extruding a pigmented polyolefin film over the hardened mixture to serve as a barrier against migration of unpolymerized monomer into the emulsion. The hardened acrylic resin is preferably oxidized by corona treatment to facilitate adhesion of the polyolefin.

REFERENCES:
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patent: 3411908 (1968-11-01), Crawford et al.
patent: 3582338 (1971-06-01), Yost et al.
patent: 3973963 (1976-08-01), Venor et al.
patent: 4269937 (1981-05-01), Asanuma et al.
patent: 4283486 (1981-08-01), Aono et al.
patent: 4311774 (1982-01-01), Raphael
patent: 4364971 (1982-12-01), Sack et al.
patent: 4384040 (1983-05-01), Von Meer
Cramm and Bibee, "The Theory and Practice of Corona Treatment for Improving Adhesion", T.A.P.P.I., vol. 15, No. 8, pp. 75-78 (Aug. 1982).

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