Electrophotographic lithographic printing plate precursor

Details Electrophotographic lithographic printing plate precursor Electrophotographic lithographic printing plate precursor

1990-06-13

1991-12-31

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 49, 430 96, G03G 5087, G03G 509

Patent

active

050771655

ABSTRACT:
A lithographic printing plate precursor excellent in oil-desensitivity, whereby an original is faithfully reproduced without occurrence of overall or spotted stains as an offset master is provided, which comprises an electrically conductive support and at least one photoconductive layer, provided thereon, containing photoconductive zinc oxide and a binder resin, in which said photoconductive layer contains hydrophilic resin grains having an average grain diameter of same as or smaller than the maximum grain diameter of said photoconductive zinc oxide grains, and said binder resin contains at least one of Resin A having a weight average molecular weight of 1.times.10.sup.3 to 2.times.10.sup.4 and Resin B having a weight average molecular weight of at least 3.times.10.sup.4.

REFERENCES:
patent: 4929526 (1990-05-01), Kato et al.
patent: 4968572 (1990-11-01), Kato et al.
patent: 4971870 (1990-11-01), Kato et al.
patent: 4977049 (1990-12-01), Kato

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