Process for cationic electrodeposition

Details Process for cationic electrodeposition Process for cationic electrodeposition

1978-03-07

1979-01-16

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25D 1300

Patent

active

041348168

ABSTRACT:
Aqueous coating compositions comprising a blocked organic polyisocyanate and a resin containing active hydrogen atoms and quaternary ammonium groups are disclosed. The resin is prepared by the reaction of a polyepoxide with an amine-acid salt. These compositions deposit on the cathode to provide coatings having excellent properties.

REFERENCES:
patent: 3928156 (1975-12-01), Wismer et al.
patent: 4031050 (1977-06-01), Jerabek

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