Hydrophilic polymeric phase inversion membrane
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United States of America Patent
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Jun 6, 2000
Grant Date -
N/A
app pub date -
Aug 20, 1999
filing date -
Nov 12, 1996
priority date (Note) -
Expired
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Abstract
A process for rendering hydrophilic a separation membrane having a hydrophobic matrix polymer comprises doping the membrane solvent system with a cyclic ester additive which is compatible with the matrix polymer and adding a wetting agnet additive, such that the resulting membrane is instantaneously wetted. The invention further relates to the membrne formed in accord with this process.
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