COMPOSITE REVERSE OSMOSIS MEMBRANE AND PRODUCTION METHOD THEREOF

An object of the present invention is to provide a composite reverse osmosis membrane having improved water permeability and antifouling performance, and a method for producing the same. The composite reverse osmosis membrane of the present invention includes: a porous support; and a skin layer form...

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Bibliographic Details
Main Authors KAWASHIMA, Toshiyuki, QIN, Yiwen, NOMI, Shunsuke, HU, Yunxia, GUAN, Yaxu, GONG, Genghao, MIYABE, Tomotsugu, LI, Shaolu, WANG, Juntao
Format Patent
LanguageEnglish
Published 15.06.2023
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:An object of the present invention is to provide a composite reverse osmosis membrane having improved water permeability and antifouling performance, and a method for producing the same. The composite reverse osmosis membrane of the present invention includes: a porous support; and a skin layer formed on a surface of the porous support. The skin layer contains a polyamide resin. The polyamide resin is a modified polyamide resin modified with an alkylenediamine derivative.
Bibliography:Application Number: US202217974875