Water reducible epoxy ester coating composition

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 314EP, 260 7841, 260 47EP, 260 47EN, 428260, C08G 5124

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active

039856950

ABSTRACT:
A water reducible epoxy ester is prepared by reacting an epoxy resin, preferably a diglycidyl ether of bisphenol A, and a monofunctional epoxy, such as phenyl glycidyl ether, with a dibasic acid (e.g., azelaic acid) followed by reaction with trimellitic anhydride and neutralization of free carboxyl groups. This material is dispersed in an aqueous vehicle, applied to a metal substrate and baked.

REFERENCES:
patent: 2857354 (1958-10-01), Fang
patent: 3649583 (1972-03-01), Guthrie
patent: 3844998 (1974-10-01), Jeffery et al.
Handbook of Epoxy Resins, Lee et al., 1967, (pp. 11-18; 12-22; 23; 13-9; 10; 24-29).

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