Image recording process using silver halide, reducing agent and

Details Image recording process using silver halide, reducing agent and Image recording process using silver halide, reducing agent and

1990-02-21

1993-07-27

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430264, 430270, 430281, 430394, 430917, 430918, G03C 172

Patent

active

052309819

ABSTRACT:
An image recording process is disclosed. The process comprises the steps of: imagewise exposing silver halide to light to form a latent image of the silver halide; developing the formed latent image of the silver halide with a reducing agent; and conducting substantially uniform light exposure in the presence of a photopolymerization initiator and an ethylenically unsaturated polymerizable compound to form a polymer image. According to the present invention, the reducing agent forms an oxidation product having a function as a polymerization inhibitor after the development. Thus a polymer image is formed within the area where the oxidation product of the reducing agent has not been formed. The reducing agent has the following formula [I]: ##STR1## in which R.sup.1 is an alkyl group, an aryl group or a heterocyclic group; R.sup.2 is an organic group which is attached to the benzene ring by a hetero-atom having a lone pair of electrons; R.sup.3 is a halogen atom, an alkyl group, an aryl group or a heterocyclic group; m is 1, 2, 3 or 4; n is an integer satisfying the formula, 0.ltoreq.n.ltoreq.(4-m); and an aromatic ring, an aliphatic ring and/or a heterocyclic ring may be condensed with the benzene ring.

REFERENCES:
patent: 4649098 (1987-03-01), Takeda
patent: 4861696 (1989-08-01), Tamagawa et al.
patent: 4871641 (1989-10-01), Kakimi
patent: 4879200 (1989-11-01), Oka
patent: 4891293 (1990-01-01), Yamada

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