Title:
POROUS MEMBRANE FOR WATER TREATMENT USE
Document Type and Number:
WIPO Patent Application WO/2018/230330
Kind Code:
A1
Abstract:
In one or more embodiments, the present invention relates to a porous membrane composed of a modacrylic copolymer, wherein the modacrylic copolymer contains an acrylonitrile-derived constituent unit, a constituent unit derived from at least one halogen-containing monomer selected from the group consisting of a vinyl halide and a vinylidene halide, and a constituent unit derived from a vinyl monomer having an ionic substituent in amounts of 15 to 85 parts by mass, 15 to 85 parts by mass and 0 to 10 parts by mass, respectively, relative to 100 parts by mass of all of constituent units constituting the modacrylic copolymer. In one or more embodiments of the present invention, the porous membrane can be produced by bringing a solution of an acrylic polymer, which is prepared by dissolving an acrylic copolymer in a good solvent, into contact with a non-solvent for the acrylic polymer to coagulate the acrylic polymer.
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Inventors:
HIRAI YUSUKE
KAMADA TADASHI
MATSUYAMA HIDETO
FANG LI-FENG
WANG SHENG-YAO
KAMADA TADASHI
MATSUYAMA HIDETO
FANG LI-FENG
WANG SHENG-YAO
Application Number:
PCT/JP2018/020565
Publication Date:
December 20, 2018
Filing Date:
May 29, 2018
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
B01D71/30; B01D71/42; C08F220/44; C08J9/26
Domestic Patent References:
| WO2011108580A1 | 2011-09-09 |
Foreign References:
| JPS5344486A | 1978-04-21 | |||
| JP2000024475A | 2000-01-25 | |||
| JPS6190708A | 1986-05-08 | |||
| JP2007283287A | 2007-11-01 |
Other References:
See also references of EP 3639913A4
Attorney, Agent or Firm:
IKEUCHI SATO & PARTNER PATENT ATTORNEYS (JP)
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