Graft polymer with unsaturated lateral chains, photosensitive mi

Details Graft polymer with unsaturated lateral chains, photosensitive mi Graft polymer with unsaturated lateral chains, photosensitive mi

1990-08-31

1993-04-27

Mc Camish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

522 32, 522 96, 522149, 525454, 430287, C08F 248, C08F28304, G03C 1492, G03C 1494

Patent

active

052061132

ABSTRACT:
Disclosed is a graft polymer comprising a polyurethane graft backbone and grafted-on chains comprising vinyl alcohol units and units with lateral styrylpyridinium or styrylquinolinium groups, and also a photocurable mixture comprising the graft polymer and a photosensitive compound, such as a photosensitizer of a negative-working diazo compound. The mixture is suited for the production of printing plates, in particular planographic printing plates, and photoresists. Printing plates prepared from the mixture are distinguished by high photospeed, good developability with aqueous solutions and long print runs.

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patent: 4840868 (1989-06-01), Pawlowski et al.
patent: 4891300 (1990-01-01), Ichimura et al.
patent: 5034475 (1991-07-01), Kroggel et al.

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