Method for treating photosensitive lithographic printing plate

Details Method for treating photosensitive lithographic printing plate Method for treating photosensitive lithographic printing plate

2005-03-01

2005-03-01

Gilliam, Barbara L. (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

C430S271100, C430S286100, C430S309000, C430S401000, C430S432000, C430S435000, C430S945000

Reexamination Certificate

active

06861202

ABSTRACT:
A method for treating a photosensitive lithographic printing plate, which comprises exposing the photosensitive lithographic printing plate to laser light, developing with a developer containing an alkali metal silicate and then carrying out post-exposure treatment, said photosensitive lithographic printing plate being prepared by forming a photopolymerizable photosensitive layer having a film thickness of from 1.2 to 4 g/m2and further forming a protective layer having a film thickness of from 2 to 8 g/m2on a support having a centerline average height (Ra) of at least 0.35 μm.

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