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Preparation of Antimicrobial Nanofiltration Membrane via Self-polymerization of Dopamine and Surface Grafting of PHGH
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
2014-09-10
DOI10.7503/cjcu20140305
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
关键词[WOS]ULTRAFILTRATION MEMBRANES ; COATINGS ; PROPERTY
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%.
语种英语
WOS记录号WOS:000343189300028
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145493
专题中国科学院大连化学物理研究所
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
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GB/T 7714
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.
APA Li Xia,Cao Yiming,Kang Guodong,Yu Haijun,&Liu Zhongnan.(2014).Preparation of Antimicrobial Nanofiltration Membrane via Self-polymerization of Dopamine and Surface Grafting of PHGH.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,35(9),2026-2030.
MLA Li Xia,et al."Preparation of Antimicrobial Nanofiltration Membrane via Self-polymerization of Dopamine and Surface Grafting of PHGH".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 35.9(2014):2026-2030.
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