Electrophoretic coating process

Details Electrophoretic coating process Electrophoretic coating process

1983-12-30

1985-04-23

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25D 1310

Patent

active

045128618

ABSTRACT:
A coating process in which an article to be coated is immersed as an anode in a dispersion of a film-forming material stabilized by non-ionic stabilization and an electric current is passed between the anode and another electrode immersed in the dispersion. The dispersion is destabilized in the region of and is deposited on the anode by interaction between a moiety providing the non-ionic stabilization (e.g. of polyethylene glycol) and a further interactive moiety (e.g. carboxyl groups present in polymethacrylic acid) present in the dispersion. Suitable coating compositions and coated articles are defined.

REFERENCES:
patent: 3657092 (1972-04-01), Fischer et al.

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