Electrically neutral nonpermselective porous membrane

Details Electrically neutral nonpermselective porous membrane Electrically neutral nonpermselective porous membrane

1981-09-04

1983-08-09

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

2105002, 210507, 428240, 428260, 428264, 428265, B32B 516

Patent

active

043979084

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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