Modification of silicalite-1 by vinyltrimethoxysilane (VTMS) and preparation of silicalite-1 filled polydimethylsiloxane (PDMS) hybrid pervaporation membranes

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	Modification of silicalite-1 by vinyltrimethoxysilane (VTMS) and preparation of silicalite-1 filled polydimethylsiloxane (PDMS) hybrid pervaporation membranes
	Zhou, Haoli 1,2; Su, Yi 1; Chen, Xiangrong 1; Yi, Shouliang 1; Wan, Yinhua 1
刊名	SEPARATION AND PURIFICATION TECHNOLOGY
	2010-11-20
卷号	75 期号:3 页码:286-294
关键词	Pervaporation Silicalite Polydimethylsiloxane (PDMS) Vinyltrimethoxysilane (VTMS) Hybrid membrane
ISSN号	1383-5866
通讯作者	Wan, YH
英文摘要	In preparation of inorganic particles filled polymer membranes, coupling agents can help to improve the compatibility between inorganic filler and polymer matrix. In this paper, surface modification of silicalite-1 was performed by a coupling agent, vinyltrimethoxysilane (VTMS), and hybrid pervaporation membranes were prepared by incorporating the unmodified or VTMS-modified silicalite-1 into polydimethylsiloxane (PDMS). The VTMS-modified silicalite-1 particles and hybrid membranes were characterized by FT-IR, (29)Si CP MAS NMR, DSC, TGA, XRD and SEM. The results showed that the coupling agent VTMS was readily grafted on the surface of silicalite-1 by hydrolysis reaction and condensation reaction, and the chemical linking between the -CH=CH(2) group on the surface-modified silicalite-1 and -Si-H on the PDMS substantially eliminated the nonselective voids inside the membrane. When used to separate acetone, butanol, ethanol (ABE) from aqueous solution, a higher selectivity was obtained with the VTMS-modified silicalite-1/PDMS hybrid membrane. Moreover, the surface modification of silicalite-1 improved its dispersion in PDMS and increased the maximal loading of silicalite-1 in membrane preparation, and thus further enhanced the separation factor of the membrane. (C) 2010 Elsevier B.V. All rights reserved.
WOS标题词	Science & Technology ; Technology
类目[WOS]	Engineering, Chemical
研究领域[WOS]	Engineering
关键词[WOS]	MIXED MATRIX MEMBRANES ; AQUEOUS-ETHANOL SOLUTION ; SILANE COUPLING AGENTS ; POLY(VINYL ALCOHOL) ; ISOPROPANOL MIXTURES ; SURFACE MODIFICATION ; COMPOSITE MEMBRANES ; CHITOSAN MEMBRANES ; ZEOLITE MEMBRANE ; WATER-ADSORPTION
收录类别	SCI
语种	英语
WOS记录号	WOS:000284453700007
公开日期	2013-11-12
内容类型	期刊论文
版本	出版稿
源URL	[http://ir.ipe.ac.cn/handle/122111/5568]
专题	过程工程研究所_生化工程国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhou, Haoli,Su, Yi,Chen, Xiangrong,et al. Modification of silicalite-1 by vinyltrimethoxysilane (VTMS) and preparation of silicalite-1 filled polydimethylsiloxane (PDMS) hybrid pervaporation membranes[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2010,75(3):286-294.
APA	Zhou, Haoli,Su, Yi,Chen, Xiangrong,Yi, Shouliang,&Wan, Yinhua.(2010).Modification of silicalite-1 by vinyltrimethoxysilane (VTMS) and preparation of silicalite-1 filled polydimethylsiloxane (PDMS) hybrid pervaporation membranes.SEPARATION AND PURIFICATION TECHNOLOGY,75(3),286-294.
MLA	Zhou, Haoli,et al."Modification of silicalite-1 by vinyltrimethoxysilane (VTMS) and preparation of silicalite-1 filled polydimethylsiloxane (PDMS) hybrid pervaporation membranes".SEPARATION AND PURIFICATION TECHNOLOGY 75.3(2010):286-294.