Cationic deposition of polymers onto a conductive surface

Details Cationic deposition of polymers onto a conductive surface Cationic deposition of polymers onto a conductive surface

1975-06-16

1980-09-30

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25D 1306

Patent

active

042254060

ABSTRACT:
A method for electrodeposition of an organic material on an electroconductive surface comprising placing the electroconductive surface to be coated in contact with an aqueous dispersion containing a water-insoluble, essentially electrically non-conductive, film-forming, organic polymer as cation-active particles wherein the cation-activity is provided at least predominantly by sulfonium cations and passing an electric current from an electrode through the latex to the electroconductive surface in such a direction that the electroconductive surface is negatively charged, i.e., becomes a cathode in an electrophoretic cell. By use of alternating current both electrodes become coated with the polymer.

REFERENCES:
patent: 3399128 (1968-08-01), Brewer et al.
patent: 3501432 (1970-03-01), Wright et al.
patent: 3609111 (1971-09-01), Kumanotani et al.
patent: 3937679 (1976-02-01), Bosso et al.

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