期刊
JOURNAL OF MEMBRANE SCIENCE
卷 328, 期 1-2, 页码 1-5出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.memsci.2008.11.054
关键词
Nanofiber; PVA; UV-curing; Ultrafiltration; Membrane
资金
- Office of Naval Research [N000140310932]
A novel class of high-flux thin film nanofibrous composite (TFNC) ultrafiltration membrane, consisting of UV-cured poly(vinyl alcohol) (PVA) hydro-gel barrier layer, electrospun nanofibrous PVA mid-layer scaffold and polyethylene terephthalate (PET) non-woven substrate, was investigated. The barrier layer was fabricated by photo-crosslinking of UV-reactive PVA (UV-PVA) on a chemically cross-linked nanofibrous PVA scaffold. The effects of concentration and viscosity of the UV-PVA solution on the flux and rejection rate of the TFNC membrane were studied. It was found that UV curing of a 5-wt% UV-PVA solution coating over 20-s time period yielded a high flux, high rejection UF membrane with good fouling resistance for separation of oil and water emulsion. (c) 2008 Elsevier B.V. All rights reserved.
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