公开(公告)号：FR2297223A1

公开(公告)日：1976-08-06

申请号：FR7600274

申请日：1976-01-07

Applicant: TORAY INDUSTRIES

Inventor： KURIHARA MASARU ,  TOKIZANE SOICHI ,  TANAKA TATSUNDO ,  TANIMURA MASAMITSU ,  SHIMOKAWA YOICHI

IPC: B01D71/56 ,  B01D71/58 ,  B01D71/78 ,  B01D71/80 ,  B01D71/82 ,  C08L77/10 ,  C08L79/06 ,  C08J5/22 ,  B01D13/04

Abstract: Permselective membranes are prepared by crosslinking synthetic organic polyamides or polyhydrazides having -CO2H groups and/or -SO3H groups with a salt of metal selected from the class consisting of alkaline earth metals, transition metals, aluminum group metals and lead group metals.