Novel elastomers and improved waterless lithographic printing ma

Details Novel elastomers and improved waterless lithographic printing ma Novel elastomers and improved waterless lithographic printing ma

1977-04-27

1978-07-11

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

260 465E, 427 54, 428447, 428450, C08G 7704

Patent

active

041001354

ABSTRACT:
Waterless lithographic printing masters of improved contrast are provided by a coating suitable master substrate with a silicone elastomer gum having reactive pendant hydroxyl or amino groups, reacting a photo and/or thermally reactive azide with said pendant groups, depositing a particulate image pattern on said silicone comprising a thermoplastic organohydrocarbon polymer and crosslinking said silicone and chemically bonding said organohydrocarbon to said silicone to form a durable imaged waterless lithographic printing master.

REFERENCES:
patent: 3583939 (1971-06-01), Bostick et al.
patent: 3705911 (1972-12-01), Thomson

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