Process for preparing cathodically depositable coating compositi

Details Process for preparing cathodically depositable coating compositi Process for preparing cathodically depositable coating compositi

1976-08-18

1978-06-06

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

204181C, 260 2BP, 260 18EP, 260 292EP, 260 293, 260 294R, 260 332EP, C08L 6300

Patent

active

040935949

ABSTRACT:
Polyepoxide resins are adducted with polyamines using an excess of the amine. After the adducting reaction is completed, the excess unreacted polyamine is removed. The adduct is then reacted with a monoepoxide or a monocarboxylic acid. When salted with an acid, the resinous adducts are water soluble or water dispersible. The resin solutions or dispersions are particularly useful in cathodic electrodeposition processes for prime coating metal objects.

REFERENCES:
patent: 2909448 (1959-10-01), Schroeder
patent: 3515698 (1970-06-01), Mauz et al.
patent: 3538184 (1970-11-01), Heer

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