Process for coating employing a two-pack type aqueous paint comp

Details Process for coating employing a two-pack type aqueous paint comp Process for coating employing a two-pack type aqueous paint comp

1977-02-03

1979-01-02

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 22CQ, 260 22A, 260 292E, 260 294R, 260 294UA, 260 296R, 260 296NR, 260 296MN, 427333, 427407R, 427426, B44D 144, C09D 352, C09D 364

Patent

active

041326865

ABSTRACT:
An improvement in a process for coating a surface with a aqueous paint composition containing as the primary film-forming components: a synthetic polycarboxylic acid resin as the main binder component; an amino resin as a heat curing cross-linking agent for the polycarboxylic acid resin and a neutralizing agent for neutralizing the acid groups of the polycarboxylic acid resin, is provided. The improvement is applying the aqueous paint composition to the surface as two compositions (A) comprising a synthetic polycarboxylic acid resin having a neutralization degree of 30 to 70% and an amino resin; and (B) comprising a synthetic polycarboxylic acid resin having a neutralication degree 30 to 80% higher than that of the polycarboxylic acid resin of (A) and an amino resin, or (C) a neutralizing agent comprising ammonia or an organic amine.

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Canadian Paint and Varnish, Feb., 1963, pp. 18-21 and 38.

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