Photosensitive plate for lithographic printing plate

Details Photosensitive plate for lithographic printing plate Photosensitive plate for lithographic printing plate

1983-09-09

1985-04-16

Kittle, John 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

430278, 430287, 430288, 430285, 430910, 430927, 430300, 20415916, G03C 194, G03C 168

Patent

active

045116458

ABSTRACT:
A presensitized printing plate which has a photopolymerizing composition layer provided on at least one side of a support, with the photopolymerizing composition being constituted with (A) a polymer containing in its side chains groups represented by the following general formula (I) and carboxylic groups: ##STR1## (wherein R.sub.1 to R.sub.5 each represents a hydrogen atom, a halogeno group, a carboxyl group, a sulfo group, a nitro group, a cyano group, and amido group, an amino group, or an unsubstituted or a substituted alkyl, aryl, alkoxy, aryloxy, alkylamino, arylamino, alkylsulfonyl or arylsulfonyl group; and Z represents an oxygen atom, a sulfur atom, --NH-- or --NR-- (R=alkyl)), (B) a monomer or an olygomer having at least two polymerizable ethylenically unsaturated double bonds, and (C) a photopolymerization initiator.

REFERENCES:
patent: 3376138 (1968-04-01), Giangualano et al.
patent: 3796578 (1974-03-01), Hosoi et al.
patent: 3825430 (1974-07-01), Kurka

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