Process for preparing a color proofing sheet

Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Process producing multiple image

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Details

430257, 430260, 430293, G03C 154, G03C 508

Patent

active

044826257

ABSTRACT:
A process for preparing a color proofing sheet is disclosed. The process comprises imagewise exposing a light-sensitive image-forming material comprising a transparent support having provided thereon a dye- or pigment-containing light-sensitive photoresist composition layer or both a dye- or pigment-containing colorant layer and a light-sensitive photoresist composition layer through a color separation mask, developing the material to form a color separation image, transferring the color separation image onto a photopolymerizable image-receiving layer, transferring in registration at least one more color separation image onto the same image-receiving layer to obtain a multicolored color proofing sheet on a single support, and totally exposing the image-receiving layer after the image transfer in an amount sufficient to induce photopolymerization thereof. A color proofing sheet realizing color reproduction essentially the same as actual print copies and has a good image strength and non-tackiness can be obtained by the process.

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