Title:
CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, METHOD FOR PRODUCING THE SAME, AND FILTRATION FILTER
Document Type and Number:
Japanese Patent JP2011131208
Kind Code:
A
Abstract:
To provide: a crystalline polymer microporous membrane having excellent water resistance, acid resistance, alkali resistance, ion adsorptivity, high hydrophilicity, a long filtering life, and a high permeation flow rate; a method for efficiently producing the crystalline polymer microporous membrane; and a filtration filter using the crystalline polymer microporous membrane.
The crystalline polymer microporous membrane is provided wherein at least a part of the exposed surface of a film consisting of a crystalline polymer having an asymmetric pore structure is coated with polyamine formed by crosslinking with a crosslinking agent.
Inventors:
ISHIZUKA KENICHI
NISHIDA NOBUHIRO
NISHIDA NOBUHIRO
Application Number:
JP2010257411A
Publication Date:
July 07, 2011
Filing Date:
November 18, 2010
Export Citation:
Assignee:
FUJIFILM CORP
International Classes:
B01D69/12; B01D63/14; B01D71/26; B01D71/28; B01D71/32; B01D71/34; B01D71/36; B01D71/42; B01D71/48; B01D71/52; B01D71/56; B01D71/60; B01D71/66; B01D71/76; B01D71/82; C08J7/04; C08J7/06; C08J7/12; C08J9/36
Domestic Patent References:
| JPH1190195A | 1999-04-06 | |||
| JPS63130105A | 1988-06-02 | |||
| JPS5549106A | 1980-04-09 | |||
| JP2009119412A | 2009-06-04 | |||
| JPH1190195A | 1999-04-06 |
Attorney, Agent or Firm:
Koichi Hirota
Yoshihiro Nagare
Naoko Matsuda
Yoshihiro Nagare
Naoko Matsuda