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Gas permeation properties of 6FDA-2,4-DAT/mPDA copolyimides
Wang, Lina; Cao, Yiming
关键词6fda Copolyimide Gas Permeation Global Warming
刊名INTERNATIONAL JOURNAL OF GLOBAL WARMING
2010
2期:1页:57-64
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine
类目[WOS]Environmental Sciences
研究领域[WOS]Environmental Sciences & Ecology
关键词[WOS]TRANSPORT PROPERTIES ; POLYMERIC MEMBRANES ; AROMATIC POLYIMIDES ; SEPARATION
英文摘要A series of novel fluorinated copolyimides were synthesised with various diamine compositions by chemical imidisation in a two-pot procedure. The gas permeation behaviour of 2,2'-bis(3,4'-dicarboxyphenyl) hexafluoropropane dianhydride(6FDA)-2,4-diamine toluene(DAT)/1,3-phenylenediamine(mPDA) polyimides was investigated. The gas permeatility coefficients decreased with increasing mPDA content; however, the permselectivity of gas pairs such as H(2)/N(2), O(2)/N(2) and CO(2)/CH(4) was enhanced with the incorporation of mPDA moiety. The permeability coefficients of H(2), O(2), N(2), CO(2) and CH(4) were found to decrease with the increasing order of kinetic diameters of the penetrant gases. Moreover, all of the copolyimides studied in this work exhibited performance near, lying on or above the existing upper bound trade-off line between permselectivity and permeability.
语种英语
WOS记录号WOS:000289943000004
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被引频次:1[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/321008/141882
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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GB/T 7714
Wang, Lina,Cao, Yiming. Gas permeation properties of 6FDA-2,4-DAT/mPDA copolyimides[J]. INTERNATIONAL JOURNAL OF GLOBAL WARMING,2010,2(1):57-64.
APA Wang, Lina,&Cao, Yiming.(2010).Gas permeation properties of 6FDA-2,4-DAT/mPDA copolyimides.INTERNATIONAL JOURNAL OF GLOBAL WARMING,2(1),57-64.
MLA Wang, Lina,et al."Gas permeation properties of 6FDA-2,4-DAT/mPDA copolyimides".INTERNATIONAL JOURNAL OF GLOBAL WARMING 2.1(2010):57-64.
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