Method for treating lithographic printing plates (II)

Details Method for treating lithographic printing plates (II) Method for treating lithographic printing plates (II)

1982-04-02

1983-08-30

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Deposited metal coating on image

430 18, 430204, 430271, 430302, 430416, 430531, 101451, 101457, G03C 133, G03F 706

Patent

active

044017391

ABSTRACT:
Printing characteristics such as ink receptivity and printing endurance of a lithographic printing plate which utilizes as ink receptive areas the photographically formed silver or silver halide image can be improved by treating said printing plate in the presence of a polymer compound containing in its principal and/or side chain an aromatic nucleus bearing a hydrophilic substituent group, said printing plate containing in at least one of its constitutive layers as hydrophilic high molecular weight-binder.

REFERENCES:
patent: 2493838 (1950-01-01), Terry
patent: 3819374 (1974-06-01), Kemp
patent: 3971660 (1976-07-01), Staehle
patent: 4160670 (1979-07-01), Tsubai

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