Process for preparing isotropic microporous polysulfone membranes
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United States of America Patent
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Nov 13, 1990
Grant Date -
N/A
app pub date -
Sep 23, 1988
filing date -
Sep 23, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Isotropic microporous polysulfone membranes can be prepared by using a particular combination of casting solution and precipitation solution formulations, and casting conditions. Both hollow fiber and flat membranes can be prepared in this manner. The membranes are skinless and are characterized by uniform porosity throughout the membrane.
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