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题名: Enhancing the antifouling properties of polysulfone ultrafiltration membranes by the grafting of poly(ethylene glycol) derivatives via surface amidation reactions
作者: Yu, Haijun1;  Cao, Yiming1;  Kang, Guodong1;  Liu, Zhongnan1, 2;  Kuang, Wu1, 2;  Liu, Jianhui1;  Zhou, Meiqing1
关键词: grafting ;  hydrophilic polymers ;  membranes
刊名: JOURNAL OF APPLIED POLYMER SCIENCE
发表日期: 2015-06-05
DOI: 10.1002/app.41870
卷: 132, 期:21
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Polymer Science
研究领域[WOS]: Polymer Science
英文摘要: A carboxylic acid group was introduced on the polysulfone (PSF) membrane surface through a Friedel-Crafts reaction. Then, three kinds of poly(ethylene glycol) (PEG) derivatives were chosen to be immobilized on the PSF membrane surface via amide bonds. The membrane surface morphology, chemical composition, and hydrophilicity were investigated with scanning electron microscopy, attenuated total reflectance Fourier transform infrared spectroscopy, and water contact angle. The results indicate that PEG derivative immobilization effectively improved the antifouling properties of the PSF membranes. We found that prolonging the Friedel-Crafts reaction time or choosing the proper PEG derivative [methoxy poly(ethylene glycol) 550] could increase the surface hydrophilicity effectively and thus render the modified membranes better antifouling properties. The long-term ultrafiltration experiment demonstrated the improvement of recycling properties and the reliability of the surface modification process. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41870.
关键词[WOS]: REVERSE-OSMOSIS MEMBRANE ;  HYDROPHILIC MODIFICATION ;  PERFORMANCE IMPROVEMENT ;  BLOOD COMPATIBILITY ;  COPOLYMER MEMBRANES ;  FOULING-RESISTANCE ;  PROTEIN-ADSORPTION ;  PLASMA TREATMENT ;  CHITOSAN ;  FILM
语种: 英语
WOS记录号: WOS:000350490900022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146042
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.Grad Univ, Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Yu, Haijun,Cao, Yiming,Kang, Guodong,et al. Enhancing the antifouling properties of polysulfone ultrafiltration membranes by the grafting of poly(ethylene glycol) derivatives via surface amidation reactions[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2015,132(21).
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