Hydrophilic compositions with increased thermal and solvent resistance
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United States of America Patent
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Oct 11, 1994
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N/A
app pub date -
Nov 15, 1993
filing date -
Nov 15, 1993
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Abstract
A fluid filtration material made of a porous substrate, e,g. a membrane or a fabric that is coated with a fluorinated copolymer that contains recurring vinyl alcohol units to impart hydrophilicity. The material is crosslinked with multifunctional epoxides to maintain hydrophilicity on exposure to heat or solvent.
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