Composite aluminum sheet for presensitized lithographic printing

Details Composite aluminum sheet for presensitized lithographic printing Composite aluminum sheet for presensitized lithographic printing

1985-11-25

1987-07-14

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

101456, 101459, 430157, 430165, 430276, 430278, 430961, G03F 702, G03C 176

Patent

active

046802509

ABSTRACT:
A composite aluminum sheet for a presensitized lithographic printing plate comprises a support such as a thermoplastic sheet and an aluminum foil which has a matt surface with a roughness of 0.20-0.65 .mu.m R.sub.a on one side thereof and is prepared by twice or more repeatedly pack rolling doubled aluminum foils, the support being overlaid with the aluminum foil so that the matt surface thereof faces outside. A presensitized plate for lithography having excellent printing properties such as printing runnability can be prepared from the composite aluminum sheet.

REFERENCES:
patent: 2528395 (1950-10-01), Slifkin
patent: 2602741 (1952-07-01), Grinten et al.
patent: 3161517 (1964-12-01), Doggett
patent: 3295977 (1967-01-01), Deziel
patent: 4301229 (1981-11-01), Sakaki et al.
patent: 4376159 (1983-03-01), Spechler
patent: 4387157 (1983-06-01), Bronstert et al.
patent: 4427500 (1984-01-01), Platzer

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