COMPOSITE SEMI-PERMEABLE MEMBRANE

The composite semi-permeable membrane according to the present invention is provided with: a support film including a base material and a porous support layer; and a separation function layer containing a crosslinked aromatic polyamide as a main component. The sulfo group content of the separation f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MITSUI, Shinya, ADACHI, Yohei, SHIMURA, Harutoki, OGAWA, Takafumi, YASUDA, Takaaki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	The composite semi-permeable membrane according to the present invention is provided with: a support film including a base material and a porous support layer; and a separation function layer containing a crosslinked aromatic polyamide as a main component. The sulfo group content of the separation function layer is 7.0×10-5-5.0×10-2g/m2, and the separation function layer has a structure represented by formula 1.