Electrically neutral nonpermselective porous membrane
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United States of America Patent
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Mar 6, 1984
Issued Date -
N/A
app pub date -
Dec 27, 1982
filing date -
Sep 4, 1981
priority date (Note) -
Expired
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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.
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