CATION EXCHANGE MEMBRANE PREPARATION AND USE THEREOF

Cation exchange membranes having good current efficiency and durability comprise a fluorocarbon polymer characterized by the presence both of pendant carboxylic acid groups of the formula -- OCF2COOH -- and derivatives thereof and of pendant sulfonic acid groups of the formula -- OCF2CF2SO3M -- and...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAKOSHI, YASUMICHI, MIYAUCHI, HIROTSUGU, HANE, TOSHIOKI, WATANABE, ITARU, FUKUMOTO, MITSUNOBU, SEKO, MAOMI, KIMOTO, KYOJI, TSUSHIMA, SAKAE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	Cation exchange membranes having good current efficiency and durability comprise a fluorocarbon polymer characterized by the presence both of pendant carboxylic acid groups of the formula -- OCF2COOH -- and derivatives thereof and of pendant sulfonic acid groups of the formula -- OCF2CF2SO3M -- and derivatives thereof.