Cation-Exchange Fluorinated Membrane for Electrolysis and Process for Producing the Same

A cation-exchange membrane for electrolysis which comprises a fluoropolymer having ion-exchange groups and a porous base. It is characterized by having, on the anode-side surface of the membrane, protrusions comprising a polymer having ion-exchange groups. It is further characterized in that: when t...

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Bibliographische Detailangaben
Hauptverfasser: HIRANO TOSHINORI, NAKAYAMA HIROSHI, KASHIWADA AKIO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A cation-exchange membrane for electrolysis which comprises a fluoropolymer having ion-exchange groups and a porous base. It is characterized by having, on the anode-side surface of the membrane, protrusions comprising a polymer having ion-exchange groups. It is further characterized in that: when the average value of the heights of the tops of the protrusions from the anode-side surface of the membrane is expressed as h (mum), then 20