Surface modification of commercial composite polyamide reverse osmosis membranes

被引:170
作者
Belfer, S [1 ]
Purinson, Y [1 ]
Fainshtein, R [1 ]
Radchenko, Y [1 ]
Kedem, O [1 ]
机构
[1] Ben Gurion Univ Negev, Inst Appl Res, Beer Sheva, Israel
关键词
grafting; redox initiation; surface modification; RO membrane; polyamide composite membrane;
D O I
10.1016/S0376-7388(97)00248-2
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Radical grafting of two monomers, methacrylic acid and polyethylene glycolmethacrylate, onto commercial composite polyamide reverse osmosis membranes was performed. A redox system was used for initiation, and grafting was performed in an aqueous medium at room temperature. Surface grafting was characterized by ATR-FTIR, ESCA and streaming potential measurements. It was found that the membranes were surface modified without damage to their transport properties. (C) 1998 Elsevier Science B.V.
引用
收藏
页码:175 / 181
页数:7
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