Precusor of waterless planographic printing plates

Details Precusor of waterless planographic printing plates Precusor of waterless planographic printing plates

1999-02-23

2000-06-13

Chu, John S.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430190, 430303, 101452, 101453, G03F 7023, G03F 7075

Patent

active

060747978

ABSTRACT:
The present invention relates to a precursor of waterless planographic printing plates, in which at least a photosensitive layer and a silicone rubber layer are laminated on a substrate in this order, characterized in that said photosensitive layer contains a quinonediazide group-containing polyurethane resin and furthermore, preferably, contains a light-heat converting material.
The present invention can provide a precursor of waterless planographic printing plates, which is improved in both image reproducibility and printing durability, and which can be applied to both the method of obtaining a waterless planographic printing plate by ordinary image exposure and the method of obtaining a waterless planographic printing plate by laser irradiation.

REFERENCES:
patent: 4853313 (1989-08-01), Mori et al.
patent: 5223373 (1993-06-01), Lin et al.
patent: 5252431 (1993-10-01), Yoshida et al.
patent: 5609981 (1997-03-01), Hallman et al.
patent: 5866294 (1999-02-01), Oguni et al.

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