Presensitized lithographic printing plates

Details Presensitized lithographic printing plates Presensitized lithographic printing plates

1982-11-04

1984-10-23

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430273, 430156, 430302, 430278, 430502, 430503, 430908, 430165, 430166, 430167, 430496, 430276, G03C 176

Patent

active

044789300

ABSTRACT:
A presensitized lithographic printing plate, which comprises a support having a hydrophilic surface. A non-silver light-sensitive layer capable of having formed therein a lipophilic image pattern and a direct positive light-sensitive silver halide emulsion layer are provided on the support in that sequence. The non-silver light-sensitive layer is provided with an adjacent hydrophilic colloid layer in which a resin is dispersed in fine particle form. The resin is a copolymer comprising (A) a recurring unit derived from at least one monomer of acrylic acid and methacrylic acid, and (B) a recurring unit derived from at least one monomer of an aralkyl acrylate and an aralkyl methacrylate.

REFERENCES:
patent: 4268609 (1981-05-01), Shiba et al.
patent: 4275092 (1981-06-01), Nakayama et al.
patent: 4299912 (1981-11-01), Shiba et al.
patent: 4345020 (1982-08-01), Yoneda et al.

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