Polymeric adhesive antihalation composition for making metal-bac

Details Polymeric adhesive antihalation composition for making metal-bac Polymeric adhesive antihalation composition for making metal-bac

1979-03-19

1980-07-01

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

96 84M, 430512, 430524, G03C 184, C08K 507

Patent

active

042105692

ABSTRACT:
An adhesive antihalation composition for making metal-backed photopolymeric printing forms, according to the invention, consists of an adhesive comprising a product of copolymerization of diphenylol-propane epoxy resin with a molecular weight from 360 to 3000 and phenol-formaldehyde novolac resin with a molecular weight from 400 to 1000 in a weight ratio of 1:1 in the product, an antihalation component - iron oxide or chromium oxide, a solvent - a mixture of ethanol and acetone, the above components being used in the composition in the following proportions (in % by weight):

REFERENCES:
patent: 2521911 (1950-09-01), Greenlee
patent: 3011909 (1961-12-01), Hart et al.
patent: 3243376 (1966-03-01), Novick et al.
patent: 3379561 (1968-04-01), Manaka et al.

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