FLUOROCARBON POLYMER MEMBRANE WITH PENDANT CARBOXYLIC ACID GROUPS

A fluorocarbon polymer and a cation exchange membrane formed of fluorocarbon polymer are characterized by the presence in at least one surface layer of the polymer of pendant carboxylic acid groups of the formula -- OCF2COOM --, where M stands for hydrogen, ammonium, quaternary ammonium or a metal a...

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Hauptverfasser: YAMAKOSHI, YASUMICHI, MIYAUCHI, HIROTSUGU, HANE, TOSHIOKI, WATANABE, ITARU, FUKUMOTO, MITSUNOBU, SEKO, MAOMI, KIMOTO, KYOJI, TSUSHIMA, SAKAE
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:A fluorocarbon polymer and a cation exchange membrane formed of fluorocarbon polymer are characterized by the presence in at least one surface layer of the polymer of pendant carboxylic acid groups of the formula -- OCF2COOM --, where M stands for hydrogen, ammonium, quaternary ammonium or a metal atom.