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题名: Enhancing Antifouling Property of Polysulfone Ultrafiltration Membrane by Grafting Poly(ethylene glycol) Methyl Ether Methacrylate(PEGMA) via UV-initiated Polymerization
作者: Yu Hai-Jun1, 2;  Cao Yi-Ming1;  Kang Guo-Dong1;  Zhou Mei-Qing1;  Liu Jian-Hui1;  Yuan Quan1
关键词: Ultrafiltration membrane ;  Benzophenone ;  UV-irradiation ;  Antifouling
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2010-12-10
卷: 31, 期:12, 页:2506-2510
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The poly (ethylene glycol) methyl ether methacrylate (PEGMA) was grafted onto polysulfone (PSF) ultrafiltration membrane using benzophenone(BP) as the initiator to improve the antifouling property. The polymer chain scission was suppressed by H-abstraction from methyl groups under long-wavelength UV irradiation (lambda > 300 nm), which partly avoided the photodegradation of PSF ultrafiltration membrane. The effects of PEGMA concentration, UV irradiation time and BP concentration on grafting degree, contact angle (CA) and the improvement of membrane antifouling properties were investigated. Attenuated total reflectance Fourier transform infrared spectroscopy(ATR/FTIR) was used to characterize the change of chemical composition. The flux of pure water decreased slightly after modification, while the rejection to bovine serum albumin (BSA) increased. The improvement of antifouling property for PEGMA-modified membrane was accordant with the increase of grafting degree.
关键词[WOS]: SURFACE MODIFICATION ;  IMMOBILIZATION ;  POLYETHERSULFONE ;  ADSORPTION ;  COPOLYMER
语种: 英语
WOS记录号: WOS:000286447700035
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142108
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:
Yu Hai-Jun,Cao Yi-Ming,Kang Guo-Dong,et al. Enhancing Antifouling Property of Polysulfone Ultrafiltration Membrane by Grafting Poly(ethylene glycol) Methyl Ether Methacrylate(PEGMA) via UV-initiated Polymerization[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2010,31(12):2506-2510.
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