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学科主题物理化学
Gas separation properties of poly(amide-6-b-ethylene oxide)/amino modified multi-walled carbon nanotubes mixed matrix membranes
Zhao, Dan1,2; Ren, Jizhong1; Li, Hui1; Li, Xinxue1; Deng, Maicun1; Ren JZ(任吉中)
关键词Pebax Mixed Matrix Membranes Multi-walled Carbon Nanotubes Gas Separation
刊名JOURNAL OF MEMBRANE SCIENCE
2014-10-01
DOI10.1016/j.memsci.2014.05.009
467期:1页:41-47
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Engineering, Chemical ; Polymer Science
研究领域[WOS]Engineering ; Polymer Science
关键词[WOS]GLYCOL BLEND MEMBRANES ; CO2 SEPARATION ; MECHANICAL-PROPERTIES ; PERMEATION PROPERTIES ; TRANSPORT-PROPERTIES ; COMPOSITE MEMBRANES ; INORGANIC FILLERS ; DIOXIDE ; NANOCOMPOSITES ; PERMEABILITY
英文摘要Amino modified multi-walled carbon nanotubes (MWNTs-NH2) were incorporated into poly(amide-6-b-ethylene oxide) (Pebax 1657) to prepare mixed matrix membranes (MMMs). The permeation properties of CO2, N-2, CH4 and H-2 were studied and the physical properties of Pebax/MWNTs-NH2 MMMs were characterized by X-ray diffractometer (XRD), Fourier transform infrared (FTIR) and scanning electron microscopy (SEM). The incorporation of MWNTs-NH2 increased the amorphous region of Pebax phase in Pebax/MWNTs-NH2 MMMs, which was beneficial for the improvement of gas permeabilities. The apparent activation energy for permeation (E-p) for CO2 decreased with the increase of pressure, while those for N-2, CH4 and H-2 almost did not change. The E-p for CO2, N-2, CH4 and H-2 slightly decreased with the incorporation of MWNTs-NH2. Compared with pristine Pebax membrane, CO2 permeability increased almost 3 times for Pebax/MWNTs-NH2 MMMs with 33 wt% MWNTs-NH2. With the increase of MWNTs-NH2 content, the normalized permeabilities of N-2, CH4 and CO2 showed almost the same increment and the selectivities of CO2/N-2, CO2/H-2 and CO2/CH4 remained constant, which were consistent with the Maxwell model prediction. Thus, the incorporation of MWNTs-NH2 significantly improved the gas permeation properties of Pebax/MWNTs-NH2 MMMs. (C) 2014 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000340315300005
引用统计
被引频次:58[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/144534
专题中国科学院大连化学物理研究所
通讯作者Ren JZ(任吉中)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Zhao, Dan,Ren, Jizhong,Li, Hui,et al. Gas separation properties of poly(amide-6-b-ethylene oxide)/amino modified multi-walled carbon nanotubes mixed matrix membranes[J]. JOURNAL OF MEMBRANE SCIENCE,2014,467(1):41-47.
APA Zhao, Dan,Ren, Jizhong,Li, Hui,Li, Xinxue,Deng, Maicun,&任吉中.(2014).Gas separation properties of poly(amide-6-b-ethylene oxide)/amino modified multi-walled carbon nanotubes mixed matrix membranes.JOURNAL OF MEMBRANE SCIENCE,467(1),41-47.
MLA Zhao, Dan,et al."Gas separation properties of poly(amide-6-b-ethylene oxide)/amino modified multi-walled carbon nanotubes mixed matrix membranes".JOURNAL OF MEMBRANE SCIENCE 467.1(2014):41-47.
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