Hydrophilic membranes
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United States of America Patent
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Sep 3, 2013
Grant Date -
Mar 6, 2008
app pub date -
Jul 4, 2005
filing date -
Jul 5, 2004
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Abstract
A method of coating a polymer comprising the step of treating the polymer with an activating agent to produce a reactive polymer, for example treating a polymer bearing at least one X (halogen) group and at least one H with base to eliminate HX. The reactive polymer is then reacted with a reactive coating, for example PVP, preferably in the presence of an initiator like persulfate anions, to produce a coated polymer, which may be hydrophilic in nature.
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