Polyamide membranes
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United States of America Patent
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Sep 27, 1988
Grant Date -
N/A
app pub date -
Feb 18, 1987
filing date -
Jun 21, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for preparing an alcohol insoluble polymide membrane. An appropriate membrane-forming casting liquid containing the required polyamide is evaporated under conditions of high total humidity and an air flow of less than 305 m/min. (1000 ft/min) in order to form the membrane. Membranes of a single polyamide, e.g. Nylon 6,6 can be formed by the method.
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