Journal
POLYMER
Volume 48, Issue 5, Pages 1165-1170Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2006.12.046
Keywords
surface modification; TFC membrane; poly(ethylene glycol)
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A novel method of surface modification by grafting hydrophilic poly(ethylene glycol) (PEG) chains onto the surface of a thin-film composite (TFC) polyamide reverse osmosis (RO) membrane was performed. Aminopolyethylene glycol monomethylether (MPEG-NH2) was used as grafting monomer. The membranes were characterized by attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR), X-ray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM). The changes in chemical composition and morphology of the membranes' surface indicated the successful grafting process. Furthermore, a preliminary experiment confirmed that the grafting of PEG chains improved membrane antifouling property. (c) 2007 Elsevier Ltd. All rights reserved.
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