C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/36 (2006.01) B01D 71/78 (2006.01) B01D 71/82 (2006.01) B01J 43/00 (2006.01) B01J 47/12 (2006.01) C02F 1/44 (2006.01)
Patent
CA 2633936
A hydrophilic, composite, microporous membrane having an anion exchange group and a cation exchange group on the outer surface or pore surface of a microporous, thermoplastic resin membrane substrate has excellent water permeability, mechanical strength, fine-particles-removing properties, anion-removing properties and cation-removing properties.
La présente invention concerne une membrane microporeuse composite hydrophile portant un groupement échangeur d'anions et un groupement échangeur de cations sur la surface ou les surfaces intérieures des micropores d'une base membranaire microporeuse en résine thermoplastique. La membrane microporeuse composite hydrophile présente d'excellentes propriétés en termes de perméabilité à l'eau, de résistance mécanique, de capacité à éliminer des particules, de capacité à éliminer des anions et de capacité à éliminer des cations.
Smart & Biggar
Tonen Chemical Corporation
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