Process for preparing waterless printing masters

Details Process for preparing waterless printing masters Process for preparing waterless printing masters

1977-03-10

1978-03-07

Smith, Ronald H.

Printing

Planographic

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

96 1R, 96 33, 1014011, 101465, 427 14, 427 22, 427197, 427202, 427261, 427264, B05D 500, B05D 136

Patent

active

040773256

ABSTRACT:
Improved waterless lithographic printing masters are provided having minimum background ink reflection density. The master comprises a crosslinked block copolymer containing elastomeric, ink releasing siloxane blocks chemically linked to organic image accepting thermoplastic blocks, said copolymer having a molecular weight for the organic blocks sufficient to provide strength and a background ink reflection density of less than 0.02 and preferably less than 0.01.

REFERENCES:
patent: 3665052 (1972-05-01), Saam et al.
patent: 3678125 (1972-07-01), Saam et al.
patent: 3678126 (1972-07-01), Saam et al.
patent: 3890405 (1975-06-01), Kendrick et al.
patent: 3901151 (1975-08-01), Crystal
patent: 3907562 (1975-09-01), Crystal
patent: 4003312 (1977-01-01), Gunther
patent: 4009032 (1977-02-01), Schank
patent: 4010687 (1977-03-01), Schank et al.
patent: 4012254 (1977-03-01), Crystal
patent: 4017581 (1977-04-01), Amidon

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