Selective permeable membrane for separation of liquid solution
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United States of America Patent
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-
Apr 9, 1991
Grant Date -
N/A
app pub date -
Oct 11, 1988
filing date -
Oct 15, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A novel selective permeable membrane is made by cross-linking of chitosan by aldehyde, preferably by dialdehyde. The dialdehyde cross-linked membrane has a remarkably high separation efficiency for water-alcohol solution due to hydrophilic property of chitosan and its very dense structure obtained by the cross-linking of chitosan with dialdehyde.
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