Title:
過フッ素化熱可塑性重合体から形成された微多孔質中空繊維
Document Type and Number:
Japanese Patent JP4447790
Kind Code:
B2
Abstract:
High flux porous hollow fiber membranes are produced from perfluorinated thermoplastic polymers by extruding a heated solution of the polymer having a lower critical solution temperature directly into a cooling bath to form the porous membrane by liquid-liquid phase separation. Extrusion can be conducted either vertically or horizontally.
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Inventors:
Kwok-Shun Chen
Ranjikant Be Patel
Dean Tea Gates
Ranjikant Be Patel
Dean Tea Gates
Application Number:
JP2000595775A
Publication Date:
April 07, 2010
Filing Date:
January 27, 2000
Export Citation:
Assignee:
Entegris Incorporated
International Classes:
B01D71/32; B01D69/08; D01D5/24; D01F6/12; D01F6/32
Domestic Patent References:
| JP2208329A | ||||
| JP1129043A | ||||
| JP64034407A |
Foreign References:
| US5490931 |
Attorney, Agent or Firm:
Yoshio Kawaguchi
Makoto Ono
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura
Makoto Ono
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura