Corona producing a planographic printing sheet

Details Corona producing a planographic printing sheet Corona producing a planographic printing sheet

1975-03-14

1977-07-19

Coughenour, Clyde I.

Printing

Planographic

Lithographic plate making, and processes of making or using...

101426, 101DIG13, 204165, 250324, 427 40, 361228, H01T 1900

Patent

active

040361365

ABSTRACT:
A method for producing a plate or sheet useful in planographic printing which is characterized in that the surface of an oleophilic body comprising oleophilic resin is subjected to a corona discharge treatment to form a hydrophilic layer on said surface, and that said method can be carried out without difficulty at a low cost and the reproducibility of the printing plate thereby produced is excellent.

REFERENCES:
patent: 2879396 (1959-03-01), McDonald
patent: 2910723 (1959-11-01), Traver
patent: 2935418 (1960-05-01), Berthold et al.
patent: 3081165 (1963-03-01), Ebert
patent: 3244546 (1966-04-01), Cranch
patent: 3662169 (1972-05-01), Sorensen et al.

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