SPEEK/amine-functionalized TiO2 submicrospheres mixed matrix membranes for CO2 separation
Xin, QP; Wu, H; Jiang, ZY; Li, YF; Wang, SF; Li, Q; Li, XQ; Lu, X; Cao, XZ; Yang, J;曹兴忠; Yang J(杨静)
刊名JOURNAL OF MEMBRANE SCIENCE
2014
卷号467页码:23-35
关键词SPEEK Amine-functionalized TiO2 Mixed matrix membranes Facilitated transport CO2 separation
学科分类Engineering; Polymer Science
DOI10.1016/j.memsci.2014.04.048
英文摘要Mixed matrix membranes (MMMs) composed of sulfonated poly(ether ether ketone) (SPEEK) and amine-functionalized titania submicrospheres were prepared. TiO2 submicrospheres (similar to 300 nm) were amine-functionalized through a facile two-step method by using dopamine (DA) and polyethyleneimine (PEI) in succession. The resultant TiO2-DA-PEI microspheres were incorporated into SPEEK with a sulfonation degree of 67%. Grafting PEI with abundant amine groups onto the titania fillers remarkably increased the content of facilitated transport sites in the membranes, leading to an increment in both gas permeability and selectivity. High humidity also contributed to the facilitated transport of CO2 via the generation of HCO3-. The highest ideal selectivities of the SPEEK/TiO2-DA-PEI membranes for CO2/CH4 and CO2/N-2 were 58 and 64, respectively, with a CO2 permeability of 1629 Barrer. Besides, the mechanical and thermal stabilities of the membranes were also enhanced compared to pure SPEEK membrane. (C) 2014 Elsevier B.V. All rights reserved.
收录类别SCI
WOS记录号WOS:000340315300003
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被引频次:27[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225116
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
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Xin, QP,Wu, H,Jiang, ZY,et al. SPEEK/amine-functionalized TiO2 submicrospheres mixed matrix membranes for CO2 separation[J]. JOURNAL OF MEMBRANE SCIENCE,2014,467:23-35.
APA Xin, QP.,Wu, H.,Jiang, ZY.,Li, YF.,Wang, SF.,...&杨静.(2014).SPEEK/amine-functionalized TiO2 submicrospheres mixed matrix membranes for CO2 separation.JOURNAL OF MEMBRANE SCIENCE,467,23-35.
MLA Xin, QP,et al."SPEEK/amine-functionalized TiO2 submicrospheres mixed matrix membranes for CO2 separation".JOURNAL OF MEMBRANE SCIENCE 467(2014):23-35.
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