Title:
COMPOSITE SEMIPERMEABLE MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2022/050007
Kind Code:
A1
Abstract:
One aspect of the present invention is a composite semipermeable membrane comprising a semipermeable membrane layer and a porous support layer, wherein the semipermeable membrane layer is provided with a plurality of flakes that include a crosslinked polyamide formed by polymerizing a polyfunctional amine compound and a polyfunctional acid halide compound, the plurality of flakes are in a stacked state such that at least one surface of the support layer is covered by the plurality of flakes, the thickness of the semipermeable membrane layer is 0.1-10 μm, and the fractional particle size of the support layer is 0.1-10 μm.
Inventors:
MIHARA KOTA (JP)
YABUNO YOUHEI (JP)
KOMATSU KENSAKU (JP)
ENOMOTO KIYOFUMI (JP)
YABUNO YOUHEI (JP)
KOMATSU KENSAKU (JP)
ENOMOTO KIYOFUMI (JP)
Application Number:
PCT/JP2021/029538
Publication Date:
March 10, 2022
Filing Date:
August 10, 2021
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
B01D69/06; B01D69/08; B01D69/10; B01D69/12; B01D71/34; B01D71/56; B01D71/68
Domestic Patent References:
| WO2016024573A1 | 2016-02-18 |
Foreign References:
| JP2017205740A | 2017-11-24 | |||
| JP2019115897A | 2019-07-18 | |||
| JP2004505764A | 2004-02-26 | |||
| JP2019150818A | 2019-09-12 | |||
| US20100062156A1 | 2010-03-11 |
Attorney, Agent or Firm:
KOTANI, Masataka et al. (JP)
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