Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1978-07-14
1980-02-05
Griffin, Ronald W.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
204181C, C09D 508, C09D 540
Patent
active
041872037
ABSTRACT:
There is disclosed an aqueous cationic electrocoating bath adapted to electrodeposit films at the cathode which cure to provide enhanced corrosion protection in which the bath contains an amine-functional resin dispersed therein with the aid of a solubilizing acid together with a polyamine-chromic acid ionic polymer formed by reacting a water insoluble polyamine with from about 50 to about 95 equivalent percent of a chromic acid. The ionic polymer is used in an amount to supply from about 25 to about 1000 parts of detectable chromate per million of said bath.
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DeSoto, Inc.
Griffin Ronald W.
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