Title:
COMPOSITE REVERSE OSMOSIS MEMBRANE AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/176048
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a composite reverse osmosis membrane that exhibits improved permeability and antifouling properties, and a production method therefor. A composite reverse osmosis membrane according to the present invention is configured by forming a skin layer containing a polyamide resin on a surface of a porous support, wherein the polyamide resin is a modified polyamide resin modified by at least one nitrogen-containing compound selected from the group consisting of ammonia, aliphatic primary amines, and aliphatic secondary amines.
Inventors:
KAWASHIMA TOSHIYUKI (JP)
NOMI SHUNSUKE (JP)
MIYABE TOMOTSUGU (JP)
HU YUNXIA (CN)
QIN YIWEN (CN)
HAO SHUANG (CN)
SHI WENXIONG (CN)
LI SHAOLU (CN)
GONG GENGHAO (CN)
NOMI SHUNSUKE (JP)
MIYABE TOMOTSUGU (JP)
HU YUNXIA (CN)
QIN YIWEN (CN)
HAO SHUANG (CN)
SHI WENXIONG (CN)
LI SHAOLU (CN)
GONG GENGHAO (CN)
Application Number:
PCT/JP2022/043349
Publication Date:
September 21, 2023
Filing Date:
November 24, 2022
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
B01D61/02; B01D65/08; B01D69/12; B01D71/56; C02F1/44
Domestic Patent References:
| WO2019054119A1 | 2019-03-21 | |||
| WO2016052427A1 | 2016-04-07 | |||
| WO2015178458A1 | 2015-11-26 | |||
| WO2011040354A1 | 2011-04-07 |
Foreign References:
| JP2009056406A | 2009-03-19 | |||
| JP2020044517A | 2020-03-26 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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