Ion exchange membrane based on block copolymers. Part III: preparation of cation exchange membrane

被引：83

作者：

Hwang, GJ

Ohya, H

Nagai, T

机构：

[1] Yokohama Natl Univ, Dept Mat Sci & Chem Engn, Yokohama, Kanagawa 2408501, Japan

[2] Japan Atom Energy Res Inst, Oarai, Ibaraki 3191195, Japan

来源：

JOURNAL OF MEMBRANE SCIENCE | 1999年 / 156卷 / 01期

关键词：

polysulfone; block copolymers; ion exchange membrane; ion exchange capacity; cation selective membrane;

D O I：

10.1016/S0376-7388(98)00331-7

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A new type of ion exchange membrane was investigated for the purpose of applying electrodialysis process. The cation exchange membrane was prepared by sulfonation of the home-made block copolymers of polysulfone (PSf) and polyphenylenesulfidesulfone (PPSS). The lowest measured membrane area resistance, equilibrated in 2 M (mol/dm(3)) KCI aqueous solution, was 2.5 Omega cm(2). The cation exchange capacity reached up to 1.9 meq/(g-dry-resin), and the transport number of K+ was in the 0.77-0.87 range. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：61 / 65

页数：5

共 16 条

[1] HETEROGENEOUS FUNCTIONALIZING OF POLYSULFONE MEMBRANES [J].