POROUS HOLLOW FIBER MEMBRANE

An object of the present invention is to provide a porous hollow-fiber membrane having high strength while maintaining high pure-water permeation performance. A porous hollow-fiber membrane of the present invention is a porous hollow-fiber membrane including a fluororesin-based polymer, in which the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KITADE Tamotsu, KIMURA Masahiro, HANAKAWA Masayuki, IWAI Kenta, ISHIZAKI Toshiyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	An object of the present invention is to provide a porous hollow-fiber membrane having high strength while maintaining high pure-water permeation performance. A porous hollow-fiber membrane of the present invention is a porous hollow-fiber membrane including a fluororesin-based polymer, in which the porous hollow-fiber membrane has a columnar texture oriented in a longitudinal direction of the porous hollow-fiber membrane, and a molecular chain of the fluororesin-based polymer is oriented in the longitudinal direction of the porous hollow-fiber membrane.