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Effect of graphene oxide on the behavior of poly(amide-6-b-ethylene oxide)/graphene oxide mixed-matrix membranes in the permeation process
Zhao, Dan1,2; Ren, Jizhong1; Qiu, Yongtao1,2; Li, Hui1; Hua, Kaisheng1; Li, Xinxue1; Deng, Maicun1
关键词Gas Transport Graphene Oxide Mixed Matrix Membranes Pebax
刊名JOURNAL OF APPLIED POLYMER SCIENCE
2015-11-10
DOI10.1002/app.42624
132期:42
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Polymer Science
研究领域[WOS]Polymer Science
关键词[WOS]GAS SEPARATION MEMBRANES ; SURFACE MODIFYING MACROMOLECULES ; CO2 SEPARATION ; MECHANICAL-PROPERTIES ; COMPOSITE MEMBRANES ; INORGANIC FILLERS ; CARBON NANOTUBES ; BLEND MEMBRANES ; NANOCOMPOSITES ; PERMEABILITY
英文摘要Polyether-block-amide (Pebax)/graphene oxide (GO) mixed-matrix membranes (MMMs) were prepared with a solution casting method, and their gas-separation performance and mechanical properties were investigated. Compared with the pristine Pebax membrane, the crystallinity of the Pebax/GO MMMs showed a little increase. The incorporation of GO induced an increase in the elastic modulus, whereas the strain at break and tensile strength decreased. The apparent activation energies (E-p) of CO2, N-2, H-2, and CH4 permeation through the Pebax/GO MMMs increased because of the greater difficulty of polymer chain rotation. The E-p value of CO2 changed from 16.5 kJ/mol of the pristine Pebax to 23.7 kJ/mol of the Pebax/GO MMMs with 3.85 vol % GO. Because of the impermeable nature of GO, the gas permeabilities of the Pebax/GO MMMs decreased remarkably with increasing GO content, in particular for the larger gases. The CO2 permeability of the Pebax/GO MMMs with 3.85 vol % GO decreased by about 70% of that of the pristine Pebax membrane. Rather than the Maxwell model, the permeation properties of the Pebax/GO MMMs could be described successfully with the Lape model, which considered the influence of the geometrical shape and arrangement pattern of GO on the gas transport. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42624.
语种英语
WOS记录号WOS:000359069100005
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146430
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, Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Zhao, Dan,Ren, Jizhong,Qiu, Yongtao,et al. Effect of graphene oxide on the behavior of poly(amide-6-b-ethylene oxide)/graphene oxide mixed-matrix membranes in the permeation process[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2015,132(42).
APA Zhao, Dan.,Ren, Jizhong.,Qiu, Yongtao.,Li, Hui.,Hua, Kaisheng.,...&Deng, Maicun.(2015).Effect of graphene oxide on the behavior of poly(amide-6-b-ethylene oxide)/graphene oxide mixed-matrix membranes in the permeation process.JOURNAL OF APPLIED POLYMER SCIENCE,132(42).
MLA Zhao, Dan,et al."Effect of graphene oxide on the behavior of poly(amide-6-b-ethylene oxide)/graphene oxide mixed-matrix membranes in the permeation process".JOURNAL OF APPLIED POLYMER SCIENCE 132.42(2015).
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