SULFONATION OF CROSS-LINKED ASYMMETRIC MEMBRANES BASED ON POLYSTYRENE AND DIVINYLBENZENE

被引：25

作者：

BYUN, HS ^{[1
]}

BURFORD, RP ^{[1
]}

FANE, AG ^{[1
]}

机构：

[1] UNIV NEW S WALES,DEPT CHEM ENGN & IND CHEM,POB 1,KENSINGTON,NSW 2033,AUSTRALIA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1994年 / 52卷 / 06期

关键词：

D O I：

10.1002/app.1994.070520612

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Asymmetric microporous membranes based on polystyrene cross-linked with divinyl benzene were prepared. They were sulfonated with sulfonic acid and washed with solutions of gradually increasing pH to reduce environmental shock. The sulfonation was monitored by infrared spectroscopy, and changes in wettability and sulfur content were also recorded. Morphologies and reverse osmosis performance of sulfonated membranes were measured, with both water flux and salt rejection increasing after treatment. (C) 1994 John Wiley & Sons, Inc.

引用

页码：825 / 835

页数：11

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