Non-treatment type planographic printing plate materials

Details Non-treatment type planographic printing plate materials Non-treatment type planographic printing plate materials

1978-02-06

1980-04-08

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430345, 430540, 430566, 430564, 430524, 430526, 430531, 430538, 430570, 430581, 430932, 430547, 430560, G03C 176, G03F 702

Patent

active

041971248

ABSTRACT:
A planographic printing plate material comprising a support and a light sensitive layer provided on the support, the light-sensitive layer being composed of (A) an inorganic material; (B) at least one metal and/or metal compound [(A)/(B) are capable of reacting with each other upon application of electromagnetic radiation] and (C) an organic compound capable of affecting the reaction between the inorganic material (A) and the metal and/or metal compound (B), wherein the inorganic material (A), the metal or metal compound (B), and the organic compound (C) are in contact with each other. When the light-sensitive layer is exposed to electromagnetic radiation, a difference in the hydrophilic or oleophilic nature of the exposed areas and the unexposed areas results, whereby a planographic printing plate is obtained which can be mounted on a printing machine and printed without any other treatments.

REFERENCES:
patent: T864011 (1959-07-01), Herz
patent: 1574944 (1926-03-01), Sheppard
patent: 3615559 (1971-10-01), Kaspaul
patent: 3660086 (1972-05-01), Tamai et al.
patent: 3684509 (1972-08-01), Heuvel et al.
patent: 3707372 (1972-12-01), Hallman et al.
patent: 3762325 (1973-10-01), Hallman et al.
patent: 3852067 (1974-12-01), Levy
patent: 3907566 (1975-09-01), Inoue et al.

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