Presensitized O-quinone diazide plate having an anodized aluminu

Details Presensitized O-quinone diazide plate having an anodized aluminu Presensitized O-quinone diazide plate having an anodized aluminu

1987-04-21

1989-01-31

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430165, 430191, 430278, 430302, 430331, G03C 194, G03C 154

Patent

active

048015270

ABSTRACT:
A presensitized plate for use in making a planographic printing plate is described, comprising an aluminum plate having an anodized film layer, a hydrophilic layer provided on said anodized film layer and a lithographically suitable light-sensitive layer on said hydrophilic layer, said hydrophilic layer comprising a hydrophilic compound having at least one amino group and at least one group selected from the class consisting of a carboxyl group in the free acid form or salt form, a sulfo group in the free acid form or salt form, and a hydroxyl group has prolonged life on the printing press and at the same time is resistant to scumming on non-image areas.

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