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题名: Novel reverse-selective poly(2,5-benzimidazole) derivatives for membrane-based gas separation
作者: Jiang, Can1, 2, 3;  Jie, Xingming1, 2;  Wang, Lina1, 2;  Cheng, Yili1, 2, 3;  Liu, Dandan1, 2;  Liu, Jianhui1, 2;  Cao, Yiming1, 2
关键词: Poly (2, 5-benzimidazole) ;  alkyl substitution ;  reverse selective ;  gas permeation
刊名: HIGH PERFORMANCE POLYMERS
发表日期: 2015-03-01
DOI: 10.1177/0954008314541709
卷: 27, 期:2, 页:135-144
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Polymer Science
研究领域[WOS]: Polymer Science
英文摘要: Three novel polymers were synthesized by introducing hexyl, dodecyl, and octadecyl groups to the side chains of poly (2,5-benzimidazole) (ABPBI). Fourier transform infrared, thermal stability, and mechanical strength tests were applied to characterize the three polymers. Elemental analysis was also carried out to determine the degree of substitution. Gas permeation behavior of the three derivative membranes was investigated with pure gas, including hydrogen (H-2), nitrogen (N-2), oxygen, methane, and carbon dioxide (CO2). The results show that except the hexyl-substituted ABPBI the other two polymers are reverse selective because in both polymers CO2 has a higher permeability than H-2. Among the three derivatives, octadecyl-modified ABPBI shows the best permselectivity of gas pairs, such as CO2/N-2 (approximately 13) and CO2/H-2 (approximately 2.8), with a quite high CO2 permeability (approximately 100 barrer) at 35 degrees C and 3.0 atm.
关键词[WOS]: CARBON-DIOXIDE ;  CAPTURE ;  BLEND
语种: 英语
WOS记录号: WOS:000350453500001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146028
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.Dalian Natl Lab Clean Energy, Dalian, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China

Recommended Citation:
Jiang, Can,Jie, Xingming,Wang, Lina,et al. Novel reverse-selective poly(2,5-benzimidazole) derivatives for membrane-based gas separation[J]. HIGH PERFORMANCE POLYMERS,2015,27(2):135-144.
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