Protective overcoat coating compositions

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified backing or protective layer containing

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Details

430523, 430531, 430533, 430536, 430950, 430961, G03C 185, G03G 176

Patent

active

060486783

ABSTRACT:
The present invention is an imaging element which contains a support, an image forming layer superposed on the support and an outermost protective layer superposed on the support. The protective layer is a cellulosic material and a composite wax particle. The wax particle is composed of a wax phase and a non-crosslinked polymer phase. The wax phase includes a wax having a melting point of greater than 30.degree. C. The non-crosslinked polymer phase contains from 10% to 80% by weight of a mono-alpha, beta-ethylenically unsaturated monomer capable of addition polymerization to form a water soluble homopolymer. In a preferred embodiment the protective layer overlies an antistatic layer.

REFERENCES:
patent: 4582784 (1986-04-01), Fukugawa et al.
patent: 4612279 (1986-09-01), Steklenski et al.
patent: 4735976 (1988-04-01), Steklenski et al.
patent: 5173739 (1992-12-01), Kurachi et al.
patent: 5695919 (1997-12-01), Wang et al.

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