Light-sensitive material containing silver halide, reducing agen

Details Light-sensitive material containing silver halide, reducing agen Light-sensitive material containing silver halide, reducing agen

1992-07-27

1993-11-23

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430203, 430281, 430353, 430617, 430619, 430955, G03C 172

Patent

active

052643166

ABSTRACT:
A light-sensitive material comprises a support and a light-sensitive layer. The light-sensitive layer contains silver halide, a reducing agent, an ethylenically unsaturated polymerizable compound and a base precursor. According to the present invention, the light-sensitive layer further contains a urethane polymer having an amino or imino group. The urethane polymer is dissolved in the ethylenically unsaturated polymerizable compound. The polymer has a molecular weight of not less than 2,000. The silver halide, the reducing agent, the polymerizable compound, the base precursor and the urethane polymer are preferably contained in light-sensitive microcapsules which are dispersed in the light-sensitive layer.

REFERENCES:
patent: 4939064 (1990-07-01), Nakamura
patent: 5039589 (1991-08-01), Takahashi
patent: 5041353 (1991-08-01), Takeda
patent: 5166040 (1992-11-01), Takeda

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