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题名: Surface modification of a commercial thin film composite polyamide reverse osmosis membrane by carbodiimide-induced grafting with poly(ethylene glycol) derivatives
作者: Kang, Guodong1;  Yu, Haijun1;  Liu, Zhongnan1, 2;  Cao, Yiming1
关键词: Polyamide reverse osmosis membrane ;  Surface modification ;  Carboxylic acid groups ;  Carbodiimide-induced grafting ;  Antifouling
刊名: DESALINATION
发表日期: 2011-07-15
DOI: 10.1016/j.desal.2011.03.007
卷: 275, 期:1-3, 页:252-259
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Chemical ;  Water Resources
研究领域[WOS]: Engineering ;  Water Resources
英文摘要: Based on the existing carboxylic acid groups on surface of used commercial thin film composite polyamide reverse osmosis membrane, two kinds of poly(ethylene glycol) derivatives with different chains were grafted by carbodiimide-induced method to improve the antifouling property. The membranes before and after modification were characterized by attenuated total reflectance Fourier transform infrared spectroscopy, scanning electron microscopy, atomic force microscopy, X-ray photoelectron spectroscopy and static contact angle measurement. Moreover, the water flux, NaCl rejection and fouling experiments were also conducted. The changes of chemical composition and morphology on membrane surfaces indicated the successful grafting of poly(ethylene glycol) derivatives. Compared to unmodified membrane, the modified membranes were more resistant to fouling in protein and cationic surfactant feeding solutions. The method in this study provided a new way for surface modification of commercial polyamide reverse osmosis membranes. (C) 2011 Elsevier B.V. All rights reserved.
关键词[WOS]: AMINO-ACIDS ;  PERFORMANCE ;  POLYMERIZATION
语种: 英语
WOS记录号: WOS:000292584900034
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142289
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Kang, Guodong,Yu, Haijun,Liu, Zhongnan,et al. Surface modification of a commercial thin film composite polyamide reverse osmosis membrane by carbodiimide-induced grafting with poly(ethylene glycol) derivatives[J]. DESALINATION,2011,275(1-3):252-259.
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