SEPARATION OF WATER-ETHANOL MIXTURE THROUGH POLY(ACRYLONITRILE-CO-ACRYLIC ACID) POLY(ETHYLENE OXIDE) MEMBRANES BY PERVAPORATION

被引：9
|
作者：
JO, WH [1 ]
KIM, HJ [1 ]
KANG, YS [1 ]
机构：
[1] KOREA INST SCI & TECHNOL,DIV POLYMER SCI & ENGN,SEOUL 130650,SOUTH KOREA
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 1994年 / 51卷 / 03期
关键词：
D O I：
10.1002/app.1994.070510316
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 separation of water/ethanol mixtures was investigated by poly(acrylonitrile-co-acrylic acid) and by poly(acrylonitrile-co-acrylic acid)/poly(ethylene oxide) blend membranes. The flux increased with the content of acrylic acid in copolymers and the selectivity remained constant. The marked increase of the selectivity was observed for blend membranes of a certain blend ratio, suggesting that the two polymers are partially miscible. Poly (ethylene oxide) in blends was thought to act as a plasticizer as well as a preferentially water absorbing and diffusing component. (C) 1994 John Wiley & Sons, Inc.
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页码：529 / 535
页数：7
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