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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
KeywordGas Transport Graphene Oxide Mixed Matrix Membranes Pebax
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
2015-11-10
DOI10.1002/app.42624
Volume132Issue:42
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectPolymer Science
WOS Research AreaPolymer Science
WOS KeywordGAS SEPARATION MEMBRANES ; SURFACE MODIFYING MACROMOLECULES ; CO2 SEPARATION ; MECHANICAL-PROPERTIES ; COMPOSITE MEMBRANES ; INORGANIC FILLERS ; CARBON NANOTUBES ; BLEND MEMBRANES ; NANOCOMPOSITES ; PERMEABILITY
AbstractPolyether-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.
Language英语
WOS IDWOS:000359069100005
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/146430
Collection中国科学院大连化学物理研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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