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题名: Preparation of Antimicrobial Nanofiltration Membrane via Self-polymerization of Dopamine and Surface Grafting of PHGH
作者: Li Xia1, 2;  Cao Yiming1;  Kang Guodong1;  Yu Haijun1;  Liu Zhongnan1, 2
关键词: Dopamine ;  Polyhexamethylene guanidine hydrochloride ;  Nanofiltration membrane ;  Antimicrobial property
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2014-09-10
DOI: 10.7503/cjcu20140305
卷: 35, 期:9, 页:2026-2030
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: A novel antimicrobial nanofiltration membrane was fabricated by the self-polymerization of dopamine on polysulfone membrane surface and following surface grafting of polyhexamethylene guanidine hydrochloride ( PHGH) in aqueous conditions. The membrane structures, morphologies and hydrophilicity were characterized by attenuated total reflectance-Fourier transform infrared spectroscopy ( ATR-FTIR), scanning electron microscopy ( SEM) and water contact angle measurement. The concentration of PHGH on grafting degree and filtration performance were investigated. Furthermore, the antibacterial performance of composite membranes was evaluated. The results showed that an active layer with nanofiltration performance was formed on polysulfone membrane surface and the hydrophilicity of membranes was significantly improved by the introduction of dopamine and PHGH. The fluxes decreased while the rejections of inorganic salts and dyes increased with the increasing concentration of PHGH. The composite membranes after grafting exhibited excellent antibacterial performance, when mass fraction of PHGH was 3%, the antibacterial rate reached up to 98.5%.
关键词[WOS]: ULTRAFILTRATION MEMBRANES ;  COATINGS ;  PROPERTY
语种: 英语
WOS记录号: WOS:000343189300028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145493
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Li Xia,Cao Yiming,Kang Guodong,et al. Preparation of Antimicrobial Nanofiltration Membrane via Self-polymerization of Dopamine and Surface Grafting of PHGH[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2014,35(9):2026-2030.
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