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Constructing CO2 transport passageways in Matrimid (R) membranes using nanohydrogels for efficient carbon capture
Li, XQ; Wang, MD; Wang, SF; Li, YF; Jiang, YZ; Guo, RL; Wu, H; Cao, XZ; Yang, J; Wang, BY; Cao XZ(曹兴忠); Yang J(杨静); Wang BY(王宝义)
2015
发表期刊JOURNAL OF MEMBRANE SCIENCE
卷号474页码:156-166
文章类型Article
摘要Composite membranes were fabricated by incorporating poly(N-isopropylacrylamide) nanohydrogels (NHs) into Matrimid (R) 5218 matrix to improve the separation performance for CO2/CH4 and CO2/N-2 mixtures. The membranes were characterized by a Courier transform infrared spectrometer (FT-IR). scanning electron microscopy (SEM), tensile Lest, dynamic mechanical analysis (DMA), X-ray diffraction (XRD), positron annihilation lifetime spectroscopy (PALS), the static contact angle and water content measurement. The incorporation of nanohydrogels increased the fractional free volume of the composite membranes, water uptake and water retention capacity. The composite membranes displayed better performance than the pure Matrimid (R) membrane. The nanohydrogels homogeneously embedded in the Matrimid (R) matrix acted as water reservoirs to not only provide more water for dissolving CO2, but also construct interconnected CO2 transport passageways. The as-prepared Matrimid (R)/NIHs-20 composite membrane showed CO2/CH4 and CO2/N-2 selectivities of 61 and 52 with a CO2 permeability of 278 Barrer, surpassing or being close to the 2008 Robeson upper bound lines. (C) 2014 Elsevier B.V. All rights reserved.
关键词Matrimid (R) Nanohydrogels Composite membranes Water content CO2 separation
学科领域Engineering; Polymer Science
DOI10.1016/j.memsci.2014.10.003
收录类别SCI ; EI
WOS类目Engineering, Chemical ; Polymer Science
WOS记录号WOS:000344991500016
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被引频次:16[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/311005/228143
专题多学科研究中心
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Li, XQ,Wang, MD,Wang, SF,et al. Constructing CO2 transport passageways in Matrimid (R) membranes using nanohydrogels for efficient carbon capture[J]. JOURNAL OF MEMBRANE SCIENCE,2015,474:156-166.
APA Li, XQ.,Wang, MD.,Wang, SF.,Li, YF.,Jiang, YZ.,...&王宝义.(2015).Constructing CO2 transport passageways in Matrimid (R) membranes using nanohydrogels for efficient carbon capture.JOURNAL OF MEMBRANE SCIENCE,474,156-166.
MLA Li, XQ,et al."Constructing CO2 transport passageways in Matrimid (R) membranes using nanohydrogels for efficient carbon capture".JOURNAL OF MEMBRANE SCIENCE 474(2015):156-166.
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