Photothermographic material and process

Details Photothermographic material and process Photothermographic material and process

1978-11-02

1981-08-11

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

430151, 430169, 430155, 430158, 430160, 430162, 430351, 430353, 430495, 430523, 430545, 430618, 430620, 430611, 430531, G03C 152, G03C 148, G03C 140

Patent

active

042834775

ABSTRACT:
In a photothermographic element comprising (A) at least one photosensitive layer comprising a photosensitive component, such as photosensitive silver halide or a diazotype photosensitive material, (B) at least one layer comprising a processing agent for the photosensitive component and (C) a separation polymer between (A) and (B), increased preexposure storage stability is provided by a polysulfonamide as separation polymer (C). After imagewise exposure of the photothermographic element, an image can be developed by merely heating the element to moderately elevated temperatures.

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