Positive working, peel developable, color proofing system having

Details Positive working, peel developable, color proofing system having Positive working, peel developable, color proofing system having

1990-01-08

1990-10-16

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Process producing multiple image

430157, 430162, 430165, 430175, 430193, 430253, 430254, 430257, 430258, 430262, 430280, 430285, 430288, 430293, 430906, 430909, G03C 518, G03C 302, G03C 1112

Patent

active

049634623

ABSTRACT:
This invention relates to positive working color proofing sheet construction which, upon exposure to an actinic radiation source through a screened image, can accuratley reprouce said image. The construction is useful as a color proofing film which can be employed to accurately predict the image quality from a lithographic printing process. The image is produced by forming a composite of a receiver base, diazo or diazide layer, photopolymerizable layer and cover sheet. Upon imagewise exposure, a positive image appears on the receiver base after dry peel apart development.

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