Planographic printing plate having cationic compound in interlay

Details Planographic printing plate having cationic compound in interlay Planographic printing plate having cationic compound in interlay

1984-08-29

1985-11-12

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430161, 430275, 430276, 430278, 430300, G03C 152

Patent

active

045528276

ABSTRACT:
An improved planographic printing plate comprised of a metal substrate, a sealing layer, an interlayer formed from a monomer or polymer of an organic compound having at least one cationic, quaternary substituted ammonium group, and a photosensitive layer on the surface of the interlayer. The printing plates are water developable and characterized by cleaner non-imaging areas during printing operations. The method of preparing such planographic printing plates is also described and illustrated.

REFERENCES:
patent: 2694639 (1954-11-01), Napeau et al.
patent: 2714066 (1955-07-01), Jewett et al.
patent: 2882153 (1959-04-01), Cohen
patent: 3161517 (1964-12-01), Doggett
patent: 3549365 (1970-12-01), Thomas
patent: 4343894 (1982-08-01), Minamizono et al.
patent: 4362812 (1982-12-01), Minamizono et al.

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