Title:
METHOD FOR PRODUCING FORWARD OSMOSIS MEMBRANE
Document Type and Number:
Japanese Patent JP2022149645
Kind Code:
A
Abstract:
To provide a method for producing a forward osmosis membrane having an excellent balance between water permeability and a salt blocking rate.MEANS FOR SOLVING THE PROBLEM: A method for producing a forward osmosis membrane that is a self-supporting film includes a step of casting a varnish obtained by dissolving a resin (A) including a structure selected from an aromatic structure, a proton acid group, an ether structure (-O-) and a ketone structure (-CO-) in an organic compound (S) onto a film having a surface with a contact angle with the organic compound (S) of 10° to 60°, and drying the varnish.SELECTED DRAWING: None
Inventors:
OKATA KO
FUKUMOTO HARUHIKO
TAWARA SHUJI
FUKUMOTO HARUHIKO
TAWARA SHUJI
Application Number:
JP2021051892A
Publication Date:
October 07, 2022
Filing Date:
March 25, 2021
Export Citation:
Assignee:
MITSUI CHEMICALS INC
International Classes:
B01D71/72; B01D71/82
Attorney, Agent or Firm:
Patent Attorney Corporation SS International Patent Office