Enhanced Interfacial Interaction and CO2 Separation Performance of Mixed Matrix Membrane by Incorporating PolyethylenimineDecorated Metal-Organic Frameworks
Xin, QP; Ouyang, JY; Liu, TY; Li, Z; Li, Z; Liu, YC; Wang, SF; Wu, H; Jiang, ZY; Gao, XZ; Cao XZ(曹兴忠)
刊名ACS APPLIED MATERIALS & INTERFACES
2015
卷号7期号:2页码:1065-1077
关键词sulfonated poly(ether ether ketone) MIL-101(Cr) polyethylenimine uniform dispersion facilitated CO2 transport mixed matrisx membranes
学科分类Science & Technology - Other Topics; Materials Science
DOI10.1021/am504742q
文章类型Article
英文摘要Polyethylenimine (PEI) was immobilized by MIL-101(Cr) (similar to 550 nm) via a facile vacuum-assisted method, and the obtained PEI@MIL-101(Cr) was then incorporated into sulfonated poly(ether ether ketone) (SPEEK) to fabricate mixed matrix membranes (MMMs). High loading and uniform dispersion of PEI in MIL-101(Cr) were achieved as demonstrated by ICP, FT-IR, XPS, and EDS-mapping. The PEI both in the pore channels and on the surface of MIL-101(Cr) improved the fillerpolymer interface compatibility due to the electrostatic interaction and hydrogen bond between sulfonic acid group and PEI, and simultaneously rendered abundant amine carriers to facilitate the transport of CO2 through reversible reaction. MMMs were evaluated in terms of gas separation performance, thermal stability, and mechanical property. The as-prepared SPEEK/PEI@MIL-101(Cr) MMMs showed increased gas permeability and selectivity, and the highest ideal selectivities for CO2/CH4 and CO2/N-2 were 71.8 and 80.0 (at a CO2 permeability of 2490 Barrer), respectively. Compared with the membranes doped with unfilled MIL-101(Cr), the ideal selectivities of CO2/CH4 and CO2/N-2 for PEI@MIL-101(Cr)-doped membranes were increased by 128.1 and 102.4%, respectively, at 40 wt % filler loading, surpassing the 2008 Robeson upper bound line. Moreover, the mechanical property and thermal stability of SPEEK/PEI@MIL-101(Cr) were enhanced.
类目[WOS]Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
收录类别SCI ; EI
WOS记录号WOS:000348332700006
引用统计
被引频次:36[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/311005/228133
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,Ouyang, JY,Liu, TY,et al. Enhanced Interfacial Interaction and CO2 Separation Performance of Mixed Matrix Membrane by Incorporating PolyethylenimineDecorated Metal-Organic Frameworks[J]. ACS APPLIED MATERIALS & INTERFACES,2015,7(2):1065-1077.
APA Xin, QP.,Ouyang, JY.,Liu, TY.,Li, Z.,Li, Z.,...&曹兴忠.(2015).Enhanced Interfacial Interaction and CO2 Separation Performance of Mixed Matrix Membrane by Incorporating PolyethylenimineDecorated Metal-Organic Frameworks.ACS APPLIED MATERIALS & INTERFACES,7(2),1065-1077.
MLA Xin, QP,et al."Enhanced Interfacial Interaction and CO2 Separation Performance of Mixed Matrix Membrane by Incorporating PolyethylenimineDecorated Metal-Organic Frameworks".ACS APPLIED MATERIALS & INTERFACES 7.2(2015):1065-1077.
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