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Effects of sulfonate incorporation and structural isomerism on physical and gas transport properties of soluble sulfonated polyimides

文献类型：期刊论文

作者Zhang, Dajie1; Seong, Jong Geun2,4; Lee, Won Hee2; Ando, Shinji3; Wan, Yinhua1; Lee, Young Moo2; Zhuang, Yongbing1
刊名POLYMER
出版日期2020-03-16
卷号191页码:10
ISSN号0032-3861
关键词Polyimides Sulfonation Gas separation
DOI10.1016/j.polymer.2020.122263
英文摘要This study presents the effects of sulfonate incorporation and structural isomerism of soluble sulfonated polyimides (SPIs) for potential membrane applications. The fluorinated dianhydride (6FDA) and three commercially sulfonated diamines, 2,4,6-trimethyl-3,5-diaminobenzenesulfonic acid (tDSA), 2,5-diaminobenzenesulfonic acid (pDSA), and 2,4-diaminobenzenesulfonic acid (mDSA), were used to synthesize SPIs in a one-step polycondensation. The SPIs are soluble in common organic solvents and have good mechanical properties as represented by tensile strength of 88.4-115.8 MPa and elongation at break of 10.3-15.2%. The resulting SPI membranes exhibit low dielectric constants (similar to 2.61) and linear thermal expansion coefficients (CTE) ranging from 54.6 to 71.7 ppm/K. These SPI membranes have fractional free volume (FFV) of 0.119-0.148. The sulfonation incorporation induced closer inter-chain packing, smaller FFV, larger CTE, higher average refractive indices (n(av)), better transparency and higher ideal selectivities for almost all gas pairs for their membranes. The para-linked TEA-pSPI membrane exhibited a larger inter-chain d-spacing, larger FFV, larger CTE, smaller nav and slightly higher permeability coefficients than the corresponding meta-linked TEA-mSPI membrane. This study guides molecular architecture for improving particular membrane performance by introducing sulfonation groups as well as adjusting either para- or meta-linkages into polymeric main chains.
WOS关键词FLEXIBLE PYROLYTIC MEMBRANES ; TROGERS BASE ; PERMEATION PROPERTIES ; PROTON CONDUCTION ; MOLECULAR PACKING ; FREE-VOLUME ; SEPARATION PROPERTIES ; DIELECTRIC-PROPERTIES ; COMPOSITE MEMBRANES ; CHAIN ORIENTATION
资助项目Foundation for "Hundred Talent Program"[Y824011107] ; Open Fund of the State Key Laboratory of Biochemical Engineering, Institute of Process Engineering (IPE), Chinese Academy of Sciences (CAS)[Y825031107] ; Technology Development Program to Solve Climate Changes through the National Research Foundation of Korea (NRF) - Ministry of Science and ICT[NRF-2018M1A2A2061979] ; World Class Department Program at Hanyang University of Hanyang University
WOS研究方向Polymer Science
语种英语
出版者ELSEVIER SCI LTD
WOS记录号WOS:000523300600009
资助机构Foundation for "Hundred Talent Program" ; Open Fund of the State Key Laboratory of Biochemical Engineering, Institute of Process Engineering (IPE), Chinese Academy of Sciences (CAS) ; Technology Development Program to Solve Climate Changes through the National Research Foundation of Korea (NRF) - Ministry of Science and ICT ; World Class Department Program at Hanyang University of Hanyang University
源URL[http://ir.ipe.ac.cn/handle/122111/39970]  
专题中国科学院过程工程研究所
通讯作者Lee, Young Moo; Zhuang, Yongbing
作者单位1.Chinese Acad Sci, Univ Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Hanyang Univ, Coll Engn, Dept Energy Engn, Seoul 04763, South Korea
3.Tokyo Inst Technol, Dept Chem Sci & Engn, Meguro Ku, Ookayama 2-12-1-E4-5, Tokyo 1528552, Japan
4.Los Alamos Natl Lab, T004, Los Alamos, NM 87545 USA
推荐引用方式
GB/T 7714		 Zhang, Dajie,Seong, Jong Geun,Lee, Won Hee,et al. Effects of sulfonate incorporation and structural isomerism on physical and gas transport properties of soluble sulfonated polyimides[J]. POLYMER,2020,191:10.
APA Zhang, Dajie.,Seong, Jong Geun.,Lee, Won Hee.,Ando, Shinji.,Wan, Yinhua.,...&Zhuang, Yongbing.(2020).Effects of sulfonate incorporation and structural isomerism on physical and gas transport properties of soluble sulfonated polyimides.POLYMER,191,10.
MLA Zhang, Dajie,et al."Effects of sulfonate incorporation and structural isomerism on physical and gas transport properties of soluble sulfonated polyimides".POLYMER 191(2020):10.

入库方式： OAI收割

来源：过程工程研究所

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