Hardening agent for aqueous epoxy resin compositions

Details Hardening agent for aqueous epoxy resin compositions Hardening agent for aqueous epoxy resin compositions

1978-07-12

1980-04-08

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

252182, 260 292EP, 260573, 260584B, 428413, 428417, 428418, 528111, 528393, 528407, 525507, C08L 6300

Patent

active

041973895

ABSTRACT:
A hardening agent for an aqueous epoxy resin composition comprising a reaction product of (a) at least one polyepoxide compound, (b) at least one polyalkylene polyether polyol and (c) at least one compound selected from the group consisting of aliphatic, cycloaliphatic and heterocyclic polyamine and wherein component (c) additionally may be reacted with (d) an unsaturated compound before or after the reaction with the adduct of components (a) and (b), process for preparing said hardening agent and hardenable film forming coating compositions comprising as essential ingredients said hardening agent, at least one polyfunctional epoxy compound (a) and water.

REFERENCES:
patent: 3154429 (1964-10-01), Albrecht et al.
patent: 3639344 (1972-02-01), Kinnemann et al.
patent: 3769250 (1973-10-01), Nikles
patent: 3993707 (1976-11-01), Cummings
patent: 4123402 (1978-10-01), Thomassen

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