Preparation of bipolar membranes (I)

被引：35

作者：

Hao, JH ^{[1
]}

Chen, CX ^{[1
]}

Li, L ^{[1
]}

Yu, LX ^{[1
]}

Jiang, WJ ^{[1
]}

机构：

[1] Tsing Hua Univ, Dept Chem Engn, Beijing 100084, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2001年 / 80卷 / 10期

关键词：

bipolar membrane; polysulfone; electrodialysis;

D O I：

10.1002/app.1260

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The bipolar membranes were prepared by charged material of polysulfone as a base. The bipolar membranes were composed of a solvent-resistant anion exchange layer with a crosslinking matrix prepared by the reaction of chloromethylated polysulfone in DMF with diamine, an interfacial layer made from chloromethylated polysulfone solution in DMF containing cation exchange resin and amine, and a cation exchange layer made from sulfonated polysulfone dispersing cation resin powder. The prepared bipolar membrane can exhibit lower voltage drop over 100 mA/cm(2). The critical requirement for producing bipolar membranes of low potential drop is the creation of a thin interfacial region with a low electrical resistance and a suitable chemical structure, which act to catalyze water splitting. (C) 2001 John Wiley & Sons, Inc. J Appl Polym Sci 80: 1658-1663, 2001.

引用

页码：1658 / 1663

页数：6

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