STABLE ION EXCHANGE FLUORINATED POLYMERS AND MEMBRANES OBTAINED THEREFROM
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United States of America Patent
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Issued Date -
Jul 17, 2014
app pub date -
May 31, 2012
filing date -
Jun 6, 2011
priority date (Note) -
Abandoned
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Abstract
A composition comprising at least one fluorinated polymer comprising —SO2X functional groups, wherein X is selected from X′ or from OM and wherein X′ is selected from the group consisting of F, CI, Br, I and M is selected from the group consisting of H, alkaline metals, NH4, and at least one fluorinated aromatic compound. Ion conducting membranes comprising the composition have improved resistance towards radical degradation in fuel cell applications.
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