Synthesis and light gas separations in cross-linked gemini room temperature ionic liquid polymer membranes

被引：129
|
作者：
Bara, Jason E. [1 ,2 ]
Hatakeyama, Evan S. [1 ]
Gabriel, Christopher J. [2 ]
Zeng, Xiaohui [2 ]
Lessmann, Sonja [2 ]
Gin, Douglas L. [1 ,2 ]
Noble, Richard D. [1 ]
机构：
[1] Univ Colorado, Dept Biol & Chem Engn, Boulder, CO 80309 USA
[2] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA
来源：
JOURNAL OF MEMBRANE SCIENCE | 2008年 / 316卷 / 1-2期
关键词：
ionic liquid; CO2; membrane; polymer; synthesis;
D O I：
10.1016/j.memsci.2007.08.052
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Cross-linkable gemini room temperature ionic liquids (GRTILs) were synthesized and photo-cross-linked into thin films. The resultant polymer membranes were tested for their permeabilitieS to CO2, N-2, CH4 and H-2. Permeabilities for each gas were found to be much lower when compared to previously reported poly(RTIL) membranes, mainly as a result of highly restricted diffusion. Separation factors were similar to previously studied poly(RTIL) membranes. CH4 and N-2 fluxes were small enough to consider these membranes as "barrier" films to the transport of those gases. Poly(GRTILs) may have use in applications where flow of those gases is not desirable. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：186 / 191
页数：6
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