Applying a fluoropolymer film to a body
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United States of America Patent
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Jun 30, 1998
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app pub date -
Nov 21, 1995
filing date -
Jun 20, 1991
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Abstract
A thin fluoropolymer film is covalently bonded to a microporous ptfe film to make a bilayer for separation, filtration or reverse osmosis, by exposing the microporous film to perfluorocyclohexane under plasma. The perfluorocyclohexane molecules undergo scission and the fragments combine on the substrate to make a fluoropolymer film wherein the pores of the substrate have not been completely closed by the coating.
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