Postive working image-forming material with surface roughened pl

Details Postive working image-forming material with surface roughened pl Postive working image-forming material with surface roughened pl

1990-03-14

1992-07-14

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430271, 430326, G03F 7023, G03C 176, G03C 191

Patent

active

051302233

ABSTRACT:
Disclosed herein are an image-forming material and a process for forming images. Which can be applied to second originals used in the field of designing and drawing.
The image-forming material comprises a roughened plastics film substrate and a transparent resin layer, colored resin layer, and photosensitive resin layer formed one over another (in the order mentioned) on the roughened surface of the substrate, said three layers being so designed as to be removed completely by dissolution or swelling during development after exposure to active rays. It permits the formation of a colored relief image without any dyeing step and gives rise to a good image free of base fogging without causing any decrease in printing sensitivity.
The process for forming images comprises exposing the above-mentioned image-forming material to active rays and subsequently developing the exposed image-forming material with two kinds of developing solutions consecutively, thereby forming a colored positive relief image on the roughened plastics film substrate, said development causes the exposed parts of the transparent resin layer, colored resin layer, and photosensitive resin layer to be removed by dissolution or swelling.

REFERENCES:
patent: 4268601 (1981-05-01), Namiki et al.
patent: 4396700 (1983-08-01), Kitajima et al.
patent: 4803145 (1989-02-01), Suzuki et al.
patent: 4987048 (1991-01-01), Shinozaki et al.

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