FUNDAMENTAL-STUDY OF NONCROSS-LINKING ANION-EXCHANGE MEMBRANES

被引：23

作者：

LIN, MC ^{[1
]}

TAKAI, N ^{[1
]}

机构：

[1] UNIV TOKYO,INST IND SCI,22-1 ROPPONGI 7-CHOME,MINATO KU,TOKYO 106,JAPAN

来源：

JOURNAL OF MEMBRANE SCIENCE | 1994年 / 88卷 / 01期

关键词：

MEMBRANE PREPARATION; ANION EXCHANGE MEMBRANE; CHLOROMETHYLSTYRENE STYRENE COPOLYMER; MEMBRANE POTENTIAL; PERMSELECTIVITY;

D O I：

10.1016/0376-7388(93)E0171-F

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Noncross-linking anion exchange membranes were prepared by casting a solution of aminated chloromethylstyrene-styrene copolymers. The ion exchange capacity, water content, membrane potential, and transport number of the membranes were studied. Chloromethylstyrene-styrene copolymers containing 87.2, 50.0, 25.0, and 19.5 mol% of chloromethylstyrene were synthesized, and the results showed that the 25.0 mol% grade can be fabricated in membrane from after treatment with trimethylamine or with triethylamine. The two membranes thus prepared were soluble in a variety of organic solvents, and exhibited good chemical and dimensional stability for dilute alkali solution, dilute acid solution, and salt solution. Their transport numbers determined from the membrane potential measurement in 0.01 N/0.1 N KCl solution were 0.91 and 0.94, respectively.

引用

页码：77 / 83

页数：7

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