Method of controlling electrocoating bath and apparatus therefor

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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Details

204299EC, C25D 1324

Patent

active

045016496

ABSTRACT:
The present invention provides a method of controlling an electrocoating bath using an ion exchange resin. The ion exchange resin is maintained in a porous container in a suspended state in the electrocoating bath, and is used in a quantity of not more than the chemical equivalent of excess counter-ion to be removed from the bath. Bath control is easily achieved without any coagulation trouble as often observed in conventional column methods.

REFERENCES:
patent: 2800447 (1957-07-01), Graham, Jr.
patent: 3663403 (1972-05-01), Christenson et al.
patent: 3682806 (1972-08-01), Kinsella et al.
patent: 4032420 (1977-06-01), Boldebuck et al.

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