Negative charging type printing photosensitive resin composition

Details Negative charging type printing photosensitive resin composition Negative charging type printing photosensitive resin composition

1995-01-13

1996-03-12

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce printing surface

430 58, 430 77, 430 78, 430 83, G03G 566, G03G 509, G03G 1328

Patent

active

054985021

ABSTRACT:
The present invention provides an electrographic printing photosensitive resin composition, which exhibits a good photosensitivity in a negative corona charging system and is useful for a laser platemaking system using semi-conductor laser light within a near infrared range as a light source.
Disclosed is a negative charging type printing photosensitive resin composition comprising a phthalocyanine compound (a), a mercaptoarylimidazole (thiazole) compound (b) and, if necessary, a compound selected from the group consisting of a condensed polycyclic quinone compound, a bisazo compound, a cyanine compound, a quinacridone compound and a mixture thereof (d), said compounds being dispersed in a binder resin (c). A printing photosensitive resin plate using the photosensitive resin composition is also disclosed.

REFERENCES:
patent: 3951654 (1976-04-01), Mammino
patent: 4985323 (1991-01-01), Yokoya et al.
patent: 5063129 (1991-11-01), Yokoya et al.
patent: 5102760 (1992-04-01), Yokoya et al.
patent: 5134049 (1992-07-01), Kuroda et al.
patent: 5166025 (1992-11-01), Kaieda et al.

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