SEPARATION MEMBRANE, AND METHOD FOR MANUFACTURING SEPARATION MEMBRANE

Title:

SEPARATION MEMBRANE, AND METHOD FOR MANUFACTURING SEPARATION MEMBRANE

Document Type and Number:

WIPO Patent Application WO/2021/177349

Kind Code:

A1

Abstract:

This separation membrane comprises: a porous support; a polyamide-based separation functional layer provided on the porous support; and a coating layer provided on the polyamide-based separation functional layer, wherein a fragment of CN2 - (m/z=40) and/or CHN2 - (m/z=41) is detected in the analysis of the coating layer by time-of-flight secondary ion mass spectrometry (TOF-SIMS).

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Inventors:

HIRABARA ATSUKI (JP)
TAGUCHI MASAMITSU (JP)

Application Number:

PCT/JP2021/008169

Publication Date:

September 10, 2021

Filing Date:

March 03, 2021

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Assignee:

NITTO DENKO CORP (JP)

International Classes:

B01D69/10; B01D69/12; B01D71/56; B01D71/58; C08G69/26

Domestic Patent References:

WO2017002699A1

2017-01-05

Foreign References:

JP2018187533A

2018-11-29

Attorney, Agent or Firm:

ITOH, Tadashige et al. (JP)

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