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Plasma modification of substrate with poly(methylhydrosiloxane) for enhancing the interfacial stability of PDMS/PAN composite membrane
Zhou, Hui1,2; Su, Yi1; Chen, Xiangrong1; Luo, Jianquan1,2; Tan, Sheng1,2; Wan, Yinhua1,2
2016-12-15
发表期刊JOURNAL OF MEMBRANE SCIENCE
ISSN0376-7388
卷号520期号:DEC页码:779-789
摘要

This paper described a facile approach to improve the interfacial stability of poly(dimethylsiloxane)/polyacrylonitrile (PDMS/PAN) composite membranes mediated by poly(methylhydrosiloxane) (PMHS). The surface of PAN substrates was modified with PMHS by plasma treatment. The chemical structure and surface morphology of modified PAN substrates were characterized by ATR-IR, XPS, SEM, AFM and CA. The interfacial stability of composite membranes was estimated using the crosshatch tape adhesion test and the swelling experiment. The results showed that the composite membranes supported by modified PAN substrates exhibited high interfacial adhesion and the corresponding PDMS separation layer displayed quite low swelling degrees in toluene and n-heptane, due to the enhanced interfacial interaction. Such enhancement was produced by the stronger mechanical interlocking (increased surface roughness of substrate) and the presence of chemical bonding between PDMS layer and modified PAN substrate. Furthermore, these composite membranes showed good pervaporation performance with a separation factor about 4.2 and a high flux above 9.5 kg m(-2) h(-1) in the separation of azeotropic methanol/toluene mixture at 30 degrees C. This work demonstrated that plasma-induced immobilization of PMHS on PAN substrate was an efficient way to improve the interfacial stability of PDMS/PAN composite membrane without sacrifice of its pervaporation performance. (C) 2016 Elsevier B.V. All rights reserved.

关键词Poly(Dimethylsiloxane) Composite Membrane Interfacial Stability Plasma Pervaporation
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1016/j.memsci.2016.08.039
收录类别SCI
语种英语
关键词[WOS]HOLLOW-FIBER MEMBRANES ; PERVAPORATION PERFORMANCE ; SURFACE MODIFICATION ; SEPARATION ; IMMOBILIZATION ; NANOFILTRATION ; MIXTURES ; SILICALITE-1 ; DEHYDRATION ; PARAMETERS
WOS研究方向Engineering ; Polymer Science
WOS类目Engineering, Chemical ; Polymer Science
项目资助者National High Technology Research and Development Program of China(2012AA021202 ; National Natural Science Foundation of China, China(21176239) ; Chinese Academy of Sciences' Key Deployment Project(KSZD-EW-2-017-3) ; 2013AA065803)
WOS记录号WOS:000384785000076
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21619
专题生化工程国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zhou, Hui,Su, Yi,Chen, Xiangrong,et al. Plasma modification of substrate with poly(methylhydrosiloxane) for enhancing the interfacial stability of PDMS/PAN composite membrane[J]. JOURNAL OF MEMBRANE SCIENCE,2016,520(DEC):779-789.
APA Zhou, Hui,Su, Yi,Chen, Xiangrong,Luo, Jianquan,Tan, Sheng,&Wan, Yinhua.(2016).Plasma modification of substrate with poly(methylhydrosiloxane) for enhancing the interfacial stability of PDMS/PAN composite membrane.JOURNAL OF MEMBRANE SCIENCE,520(DEC),779-789.
MLA Zhou, Hui,et al."Plasma modification of substrate with poly(methylhydrosiloxane) for enhancing the interfacial stability of PDMS/PAN composite membrane".JOURNAL OF MEMBRANE SCIENCE 520.DEC(2016):779-789.
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