Thermally processable imaging element comprising a barrier layer

Details Thermally processable imaging element comprising a barrier layer Thermally processable imaging element comprising a barrier layer

1993-02-22

1993-11-23

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430536, 430619, 430620, 430627, G03C 176

Patent

active

052643344

ABSTRACT:
Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating and in which a polyalkoxysilane is incorporated in the imaging composition to provide enhanced adhesion are protected against undesirable width-wise curling by interposing a barrier layer between the support and the image-forming layer. The barrier layer, which is composed of poly(silicic acid) and a water-soluble hydroxyl-containing monomer or polymer that is compatible therewith prevents migration from the image-forming layer to the support of by-products of hydrolysis of the polyalkoxysilane which can cause width-wise curl and consequent jamming of processing equipment.

REFERENCES:
patent: 4741992 (1988-05-01), Przezdziecki
patent: 4828971 (1989-05-01), Przezdziecki
patent: 4857439 (1989-08-01), Dedio et al.
patent: 4886739 (1989-12-01), Przezdziecki
patent: 4942115 (1990-09-01), Przezdziecki

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