GAS SEPARATION PROPERTIES OF A NEW POLYMER INORGANIC COMPOSITE MEMBRANE

被引：33
作者：
SHELEKHIN, AB [1 ]
GROSGOGEAT, EJ [1 ]
HWANG, ST [1 ]
机构：
[1] UNIV CINCINNATI,CTR EXCELLENCE MEMBRANE TECHNOL,CINCINNATI,OH 45221
来源：
JOURNAL OF MEMBRANE SCIENCE | 1992年 / 66卷 / 2-3期
关键词：
COMPOSITE MEMBRANES; GAS AND VAPOR PERMEATION; GAS SEPARATIONS; INORGANIC MEMBRANES; MEMBRANE PREPARATION AND STRUCTURE; MICROPOROUS AND POROUS MEMBRANES;
D O I：
10.1016/0376-7388(92)87003-G
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Permeability, diffusivity and solubility of gases in polymer/inorganic composite membranes are reported. Membranes were prepared by covering a porous Vycor glass tube with polysilastyrene solution followed by pyrolysis at 382 and 470-degrees-C. The experimental data indicate that the gas separation properties of such a membrane are a combination of the transport characteristics of the polymer and the molecular-sieve material. Selectivity factor for H-2/SF6 increases to 328 for the membrane pyrolyzed at 470-degrees-C whereas for the unpyrolyzed polymer it is merely 10.
引用
收藏
页码：129 / 141
页数：13
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