Title:
COMPOSITE SEMI-PERMEABLE MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2021/117631
Kind Code:
A1
Abstract:
Provided is a composite semi-permeable membrane including: a porous support membrane; a separation function layer that is provided on the porous support membrane and that contains polyamide; and a coating layer that is provided on the separation function layer, wherein the water contact angle at a surface of the coating layer is equal to or less than 40º and the protein adsorption power at the surface of the coating layer is equal to or less than 0.4 nN.
Inventors:
MIYABE TOMOTSUGU (JP)
TAGUCHI MASAMITSU (JP)
TAGUCHI MASAMITSU (JP)
Application Number:
PCT/JP2020/045243
Publication Date:
June 17, 2021
Filing Date:
December 04, 2020
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
B01D65/08; B01D69/10; B01D69/12; B01D71/40; B01D71/56; B01D71/70; B01D71/82; B32B5/18; B32B27/34; C08F220/36
Domestic Patent References:
| WO2011088505A1 | 2011-07-28 | |||
| WO2018124103A1 | 2018-07-05 |
Foreign References:
| JP2014510621A | 2014-05-01 | |||
| JP2019147879A | 2019-09-05 | |||
| JP2007056220A | 2007-03-08 | |||
| US20190223925A1 | 2019-07-25 | |||
| US20200172683A1 | 2020-06-04 | |||
| JP2019223925A | 2019-12-11 | |||
| JP2020172683A | 2020-10-22 |
Other References:
See also references of EP 4074411A4
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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