Method of imaging lithographic printing plates with high intensi

Details Method of imaging lithographic printing plates with high intensi Method of imaging lithographic printing plates with high intensi

1998-04-17

2000-08-29

Angebranndt, Martin

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430945, 430300, 101457, 101467, B41M 540

Patent

active

061106453

ABSTRACT:
A method for making a lithographic printing plate comprising exposing a support, a melonophilic layer and a melonophobic layer, the latter containing crosslinked colloids to a laser beam having an intensity greater than 0.1 mW/.mu..sup.2 for a time sufficient to give a total exposure of about 200 milliJoules/cm.sup.2 or greater. Good printing steps and long running plates are produced.

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