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题名: Preparation and Gas Separation Properties of Metal-organic Frameworks/Polyimide Mixed Matrix Membranes
作者: Duan Cuijia1, 2;  Cao Yiming1;  Jie Xingming1;  Wang Lina1;  Yuan Quan1
关键词: Metal-organic framework ;  Polyimide ;  Mixed matrix membrane ;  Gas separation
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2014-07-10
DOI: 10.7503/cjcu20140076
卷: 35, 期:7, 页:1584-1589
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Three metal-organic frameworks(MOFs) with different structure, particle size and gas adsorption properties were synthesized: micron-scale Cu-3(BTC)(2), sub-micron ZIF-8 and S-Cu-3(BTC)(2). Nitrogen adsorption-desorption isotherms of MOFs showed that ZIF-8 and Cu-3(BTC)(3) possessed quite large BET surfaces (1653 and 1439 m(2)/g), and BET surface of S-Cu-3(BTC)(2) was 171. 4 m(2)/g. MOFs were directly introduced into polyimide to fabricate mixed matrix membranes(MMMs). It was proved by XRD and FTIR-ATR characterizations that MOFs had no structural or chemical degradation in MMMs. Gas permeation test result indicated that gas separation properties of MMMs were enhanced as MOFs were added. Comparing with pure polyimide membrane, the adding of ZIF-8 or Cu-3(BTC)(2) brought gas permeability increase about 3 times, gas permeability of MMMs with S-Cu-3(BTC)(2) increased 175%. Meanwhile gas selectivies for O-2/N-2 and CO2/CH4 decreased slightly.
关键词[WOS]: ROOM-TEMPERATURE SYNTHESIS ;  FRAMEWORK
语种: 英语
WOS记录号: WOS:000339471200034
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143218
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Duan Cuijia,Cao Yiming,Jie Xingming,et al. Preparation and Gas Separation Properties of Metal-organic Frameworks/Polyimide Mixed Matrix Membranes[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2014,35(7):1584-1589.
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