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题名: Gas separation performance of C/CMS membranes derived from poly (furfuryl alcohol) (PFA) with different chemical structure
作者: Song, Chengwen1, 2;  Wang, Tonghua1;  Jiang, Huawei1;  Wang, Xiuyue1;  Cao, Yiming3;  Qiu, Jieshan1
关键词: Chemical structure ;  Carbon membranes ;  Gas separation ;  Poly(furfuryl alcohol)
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2010-09-30
DOI: 10.1016/j.memsci.2010.06.018
卷: 361, 期:1-2, 页:22-27
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
英文摘要: Carbon molecular sieve (CMS) membranes derived from two kinds of PFAs synthesized by oxalic acid and iodine catalyst were prepared respectively. In order to investigate the effect of chemical structure of the PFAs on properties of their CMS membranes, TG, FTIR, XRD and HRTEM were employed to characterize the microstructural change of CMS membranes during pyrolysis. Gas separation performance of CMS membranes was also investigated by molecular probe study with pure gases (H(2), CO(2), O(2), N(2) and CH(4)). The results show two kinds of PFAs are composed of a large amount of same function groups by different cross-linking style, which was confirmed by their similar MR spectra and slightly different TG curves. After pyrolysis, there are significant differences in microstructure and gas permeation for resultant CMS membranes. The PFA-OA carbon membrane exhibits high carbon yield, smaller d(0) (02) value (interlayer spacing) and short, slightly irregular but roughly parallel fringes in HRTEM. In contrast, the PFA-I carbon membrane shows a higher gas permeability and lower gas permselectivity in gas permeation experiments. (C) 2010 Elsevier B.V. All rights reserved.
关键词[WOS]: CARBON MOLECULAR-SIEVE ;  NANOPOROUS CARBON ;  CARBONIZATION ATMOSPHERE ;  POLYMERIZATION ;  RESIN ;  PERMEATION ;  COMPOSITE ;  TEMPERATURE ;  PYROLYSIS ;  POLYIMIDE
语种: 英语
WOS记录号: WOS:000280974600003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142133
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 Univ Technol, State key Lab Fine Chem, Carbon Res Lab, Sch Chem Engn, Dalian 116012, Peoples R China
2.Dalian Maritime Univ, Environm Informat Inst, Sch Environm Sci & Engn, Dalian 116026, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Song, Chengwen,Wang, Tonghua,Jiang, Huawei,et al. Gas separation performance of C/CMS membranes derived from poly (furfuryl alcohol) (PFA) with different chemical structure[J]. JOURNAL OF MEMBRANE SCIENCE,2010,361(1-2):22-27.
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