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1. (WO2018198679) SEMIPERMEABLE COMPOSITE MEMBRANE AND METHOD FOR PRODUCING SAME

Pub. No.:    WO/2018/198679    International Application No.:    PCT/JP2018/014010
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Sat Mar 31 01:59:59 CEST 2018
IPC: B01D 71/56
B01D 69/10
B01D 69/12
B32B 5/18
B32B 27/34
C08G 81/02
Applicants: TORAY INDUSTRIES, INC.
東レ株式会社
Inventors: YOSHIZAKI Tomoya
吉崎 友哉
HAMADA Tsuyoshi
浜田 剛志
OKABE Jun
岡部 淳
OGAWA Takafumi
小川 貴史
Title: SEMIPERMEABLE COMPOSITE MEMBRANE AND METHOD FOR PRODUCING SAME
Abstract:
Provided are: a semipermeable composite membrane having high fouling resistance against membrane contaminants; and a method for producing the semipermeable composite membrane. This semipermeable composite membrane comprises a substrate, a porous support layer disposed on the substrate, and a separation functional layer disposed on the porous support layer, wherein the separation functional layer contains: from the porous support layer side, a first layer containing a crosslinked aromatic polyamide which is a polymer of a polyfunctional aromatic amine and a polyfunctional aromatic acid chloride; and an aliphatic polyamide which is present on the first layer and which is a polymer of a polyfunctional aliphatic carboxylic acid and a polyfunctional aliphatic amine.