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Title:
POLYAMIDE POROUS MEMBRANE AND METHOD FOR PRODUCING POLYAMIDE POROUS MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2023/017781
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a polyamide porous membrane that makes it possible to improve liquid permeability while suppressing deterioration of membrane separation performance. A polyamide porous membrane according to the present invention is formed from a polyamide resin, wherein in structural analysis by X-ray diffraction, the ratio of γ crystals with respect to the total amount of α crystals and γ crystals is not less than 38%.

Inventors:
ANDO HIDEHITO (JP)
TANAKA JUN (JP)
NAKAMURA RYOTA (JP)
UMAKOSHI KYOHEI (JP)
MAEDA KEISUKE (JP)
ONO TAKAHIRO (JP)
MASAKI TATSUNORI (JP)
Application Number:
PCT/JP2022/029976
Publication Date:
February 16, 2023
Filing Date:
August 04, 2022
Export Citation:
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Assignee:
UNITIKA LTD (JP)
International Classes:
B01D61/02; B01D63/02; B01D69/08; B01D71/56; C08J5/22
Domestic Patent References:
WO2017061502A12017-04-13
WO2014030585A12014-02-27
Foreign References:
JP2016068004A2016-05-09
JP2009226338A2009-10-08
JP2014218563A2014-11-20
JP2007007490A2007-01-18
JP2016068005A2016-05-09
Attorney, Agent or Firm:
TANAKA, Junya et al. (JP)
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