HYDROPHILIC FLUOROPOLYMER MATERIALS AND METHODS
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United States of America Patent
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Issued Date -
Dec 10, 2009
app pub date -
Jun 4, 2009
filing date -
Jun 9, 2008
priority date (Note) -
Abandoned
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Abstract
An initially hydrophobic surface comprising fluoropolymer is treated to provide the surface with hydrophilic properties. A hydrophobic surface comprising fluoropolymer is physically treated to impart a rough texture thereto, thereby providing the surface with hydrophilic properties. In an alternative method, a roughened surface is treated with a sulfur-based acid, thereby providing the surface with hydrophilic propertiesIn yet another method, a non-roughened surface fluoropolymer surface is treated with a sulfur-based acid for a time sufficient for the surface to exhibit hydrophilic properties. Products made by these processes are also described.
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