Electrically neutral nonpermselective porous membrane

Details Electrically neutral nonpermselective porous membrane Electrically neutral nonpermselective porous membrane

1982-12-27

1984-03-06

Bell, James J.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204181R, C25D 1300

Patent

active

044352620

ABSTRACT:
A nonpermselective porous membrane sheet, which comprises a natural or synthetic fiber material substrate having coated thereon a mixture of a plastic binder material and a non-ion exchangeable filler material, said membrane being capable of transmitting negatively and positively charged ions between the electrodes in an electrodeposition painting operation and at the same time capable of preventing backflow of the electrolytes between the electrode chambers.

REFERENCES:
patent: 1693890 (1928-12-01), Du Claux
patent: 1793667 (1931-02-01), Baldwin
patent: 2474201 (1949-06-01), Raymond et al.
patent: 2670305 (1954-02-01), Wiswesser
patent: 2858570 (1958-11-01), Richards
patent: 3096204 (1963-07-01), Spangler et al.
patent: 3817772 (1974-06-01), Heit
patent: 4002791 (1977-01-01), Sawyer
patent: 4138518 (1979-02-01), Sammah et al.
patent: 4178271 (1979-12-01), Busch et al.

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