Water-less quinonediazide lithographic raw plate

Details Water-less quinonediazide lithographic raw plate Water-less quinonediazide lithographic raw plate

1997-04-28

1999-02-02

Young, Christopher G.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

4302721, 4302731, 430303, G03F 723

Patent

active

058662944

ABSTRACT:
The present invention is a water-less lithographic printing plate, in which a photosensitive layer and a silicone rubber layer are laminated in this order on a substrate, characterized in that the photosensitive layer contains the reaction product between a compound with at least one each of phenolic hydroxyl groups and non-phenolic hydroxyl groups and a quinonediazide compound, or contains both the reaction product between a compound with at least one of phenolic hydroxyl groups and a quinonediazide compound, and the reaction product between a compound with at least one of non-phenolic hydroxyl groups and a quinonediazide compound.
The water-less lithographic raw plate of the present invention is excellent in image reproducibility and printing durability, and so can be favorably and economically advantageously used also in the commercial web offset printing and the newspaper web offset printing where high printing durability is required.

REFERENCES:
patent: 4156389 (1979-05-01), Sano et al.

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