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Title: Modified silicone-PVDF composite hollow-fiber membrane preparation and its application in VOC separation
Authors: Zhen, H.
Jang, S.M.J.
Teo, W.K. 
Li, K.
Keywords: Composite
Poly(vinylidene fluoride) (PVDF)
Issue Date: 5-Feb-2006
Citation: Zhen, H., Jang, S.M.J., Teo, W.K., Li, K. (2006-02-05). Modified silicone-PVDF composite hollow-fiber membrane preparation and its application in VOC separation. Journal of Applied Polymer Science 99 (5) : 2497-2503. ScholarBank@NUS Repository.
Abstract: Polydimethylsiloxanevi-poly(vinylidene fluoride) (PDMS vi-PVDF) composite membranes were prepared using asymmetric PVDF hollow-fiber membranes as the substrate where a very thin layer of silicone-based coating material was deposited via a developed dip coating method. The preparation of the composite membranes under various conditions were investigated. In the optimal coating procedure, homogenous and stable oligo-PDMSvi coating layers as thin as 1-2 μm were successfully deposited on the surface of PVDF membranes. The developed PDMS- vi-PVDF composite membranes were applied for separation of a wide variety of volatile organic compounds (benzene, chloroform, acetone, ethyl acetate, and toluene). The results showed that the PDMSvi-PVDF hollow-fiber composite membranes that had been developed exhibited very high removal efficiency (>96%) for all the VOCs examined under favorable operating conditions. © 2005 Wiley Periodicals, Inc.
Source Title: Journal of Applied Polymer Science
ISSN: 00218995
DOI: 10.1002/app.22860
Appears in Collections:Staff Publications

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