Intermediate coating compositions and long running planographic

Details Intermediate coating compositions and long running planographic Intermediate coating compositions and long running planographic

1975-08-22

1977-09-20

Bleutge, John C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

96 33, 96 75, 96 87R, 260 294UA, 260 70R, C08L 6124

Patent

active

040497461

ABSTRACT:
Compositions comprising the reaction product of a novel, highly branched polyalkylenimine-urea-aldehyde resin and a polyacrylic resin provide useful intermediate coatings when applied to preconditioned metal surfaces which may be subsequently coated with light sensitive materials to make photolithographic plates. The intermediate coating, particularly when applied to a grained or ungrained aluminum support member which has been anodized and finally coated with light sensitive materials produces a highly durable plate that possesses good storage characteristics and is capable of unusually extended press runs.

REFERENCES:
patent: 2862901 (1958-12-01), Suen et al.
patent: 2918386 (1959-12-01), Wooding
patent: 3329637 (1967-07-01), Vitalis
patent: 3435009 (1969-03-01), Sellet
patent: 3509021 (1970-04-01), Woodward
patent: 3652479 (1972-03-01), Mogelnicki et al.
patent: 3690880 (1972-09-01), Muzyczko et al.
patent: 3715172 (1973-02-01), Dembowski et al.
patent: 3752781 (1973-08-01), Muzyczko et al.

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