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Preparation and Properties of Soluble Polyimide Membranes Containing Polyether Segment for Gas Separation
Qiu Xiao-Zhi1,2; Cao Yi-Ming1; Wang Li-Na1; Zhou Mei-Qing1; Yuan Quan1
关键词Gas Separation Membrane Polyimide Polyether Permeability
刊名CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
2009-01-10
30期:1页:196-202
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
关键词[WOS]POLY(ETHYLENE GLYCOL DIACRYLATE) ; TRANSPORT PROPERTIES ; COPOLYMERS ; PERMEABILITY ; PERMEATION
英文摘要Polyimide copolymers as materials for gas separation containing polyether soft segment were synthesized from 2,2-bis(3,4-dicarboxyphenyl) hexafluoroprophane dianhydride(6FDA) with m-phenylenediamine (mPDA) and polyether diamine by two steps of condensation polymerization. Permeation properties of O(2), N(2), H(2), CH(4) and CO(2) were investigated. The co-polyimides were soluble in common solvents such as NMP and THF. The effects of content and structure of the polyether on permeation proper-ties were studied. It was found that introducing soft polyether segment into polyimide main chain increased the diffusion coefficients due to increasing of chain flexibility, and also increased CO(2) solubility selectivity due to the strong affinity of ether oxide groups with CO(2). The results show that the permeability coefficients Of CO(2) for co-polyimides are higher than that for 6FDA-mPDA polyimide; the CO(2)/N(2) Selectivity is better than CO(2)/CH(4); meanwhile, CO(2) permeability coefficients for co-polyimides is higher than H(2).
语种英语
WOS记录号WOS:000262921100042
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被引频次:3[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/321008/141438
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, China Grad Univ, Beijing 100049, Peoples R China
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GB/T 7714
Qiu Xiao-Zhi,Cao Yi-Ming,Wang Li-Na,et al. Preparation and Properties of Soluble Polyimide Membranes Containing Polyether Segment for Gas Separation[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2009,30(1):196-202.
APA Qiu Xiao-Zhi,Cao Yi-Ming,Wang Li-Na,Zhou Mei-Qing,&Yuan Quan.(2009).Preparation and Properties of Soluble Polyimide Membranes Containing Polyether Segment for Gas Separation.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,30(1),196-202.
MLA Qiu Xiao-Zhi,et al."Preparation and Properties of Soluble Polyimide Membranes Containing Polyether Segment for Gas Separation".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 30.1(2009):196-202.
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