Dry processible photosensitive composition including photo-acid

Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...

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430144, 430157, 430162, 430165, 430166, 430191, 430192, 430193, 430270, 430271, 430275, 430291, G03F 7021, G03F 7023, G03F 728, G03F 7004

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052292444

ABSTRACT:
The present invention concerns a phototackifiable composition useful as a coating on a substrate consisting of an optically clear blend of two or more polymers and a photosensitive compound that forms a strong acid on exposure to actinic radiation. The invention also relates to a process for coating such a composition on a support and toning the image-wise exposed composition on the support.

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patent: 4876172 (1989-10-01), Hillenbrand

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