Title:
SEPARATION MEMBRANE AND METHOD FOR PRODUCING SEPARATION MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2020/026958
Kind Code:
A1
Abstract:
The present invention provides a separation membrane having a polyarylene sulfide as a main component and a bivalent ion rejection of 5% or more, and a method for producing a separation membrane comprising: (1) a resin composition preparation step of preparing a resin composition by melt-kneading a polyarylene sulfide and a plasticizer; (2) a molding step of discharging the resin composition from a discharge nozzle to mold a resin molded product at a draft ratio of 20 or more; and (3) a dipping step of immersing the resin molded product in a solvent to obtain a separation membrane.
Inventors:
EIMURA HIROKI (JP)
WAKABAYASHI TAKUMI (JP)
TAKADA KOICHI (JP)
HANAKAWA MASAYUKI (JP)
WAKABAYASHI TAKUMI (JP)
TAKADA KOICHI (JP)
HANAKAWA MASAYUKI (JP)
Application Number:
PCT/JP2019/029322
Publication Date:
February 06, 2020
Filing Date:
July 25, 2019
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B01D71/66; C08J9/26
Domestic Patent References:
| WO2016175308A1 | 2016-11-03 |
Foreign References:
| JP2012233018A | 2012-11-29 | |||
| JP2017136587A | 2017-08-10 | |||
| JP2014189747A | 2014-10-06 | |||
| JPH07500527A | 1995-01-19 | |||
| JPS5959917A | 1984-04-05 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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