Alkaline developing composition and method of use to process lit

Details Alkaline developing composition and method of use to process lit Alkaline developing composition and method of use to process lit

1997-05-30

1998-09-22

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430309, 430331, G03F 730

Patent

active

058112219

ABSTRACT:
An alkaline developing composition for processing a lithographic printing plate includes an alkali metal silicate, at least 6 weight % of a thickener such as glycerine, and a nonionic fluorosurfactant or a phosphate ester hydrotrope. Lithographic printing plates that can be developed using this composition are either positive- or negative-working, and include both positive- and negative-working thermal plates.

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