Asymmetric TPX membranes with high gas flux

被引：42

作者：

Lin, FC ^{[1
]}

Wang, DM ^{[1
]}

Lai, JY ^{[1
]}

机构：

[1] CHUNG YUAN CHRISTIAN UNIV,DEPT CHEM ENGN,CHUNGLI 32023,TAIWAN

来源：

JOURNAL OF MEMBRANE SCIENCE | 1996年 / 110卷 / 01期

关键词：

asymmetric membrane; poly(4-methyl-1-pentene) (TPX); wet phase inversion method; gas flux; membrane morphology;

D O I：

10.1016/0376-7388(95)00211-1

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Asymmetric poly(4-methyl-1-pentene) (TPX) membranes were prepared via a two-stage wet phase inversion method to improve their gas Bur. The effects of solution and coagulant on the morphology of membranes were studied from the view point of thermodynamics and diffusion kinetics. It is also found that the surface tension and solubility parameters of second-bath media play important roles in determining the membrane morphology and the gas separation performance. In addition, the effect of milling temperature and the decline of gas flux with storage time are discussed.

引用

页码：25 / 36

页数：12

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