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首页> 外文期刊>Journal of Applied Polymer Science >Fabrication of polysulfone nanocomposite membranes with silver-doped carbon nanotubes and their antifouling performance
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Fabrication of polysulfone nanocomposite membranes with silver-doped carbon nanotubes and their antifouling performance

机译：Fabrication of polysulfone nanocomposite membranes with silver-doped carbon nanotubes and their antifouling performance

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In this study, polysulfone (PSf)/silver-doped carbon nanotube (Ag-CNT) nanocomposite membranes were prepared by a phase-inversion technique; they were characterized and evaluated for fouling-resistant applications with bovine serum albumin (BSA) solutions. Carbon nanotubes were doped with silver nanoparticles via a wet-impregnation technique. The prepared Ag-CNT nanotubes were characterized with scanning electron microscopy (SEM)/energy-dispersive X-ray spectroscopy, X-ray diffraction, Raman spectroscopy, and thermogravimetric analysis. The fabricated flat-sheet PSf/Ag-CNT nanocomposite membranes with different Ag-CNT loadings were examined for their surface morphology, roughness, hydrophilicity, and mechanical strength with SEM, atomic force microscopy, contact angle measurement, and tensile testing, respectively. The prepared composite membranes displayed a greater rejection of BSA solution (>= 90) and water flux stability during membrane compaction with a 10 reduction in water flux values (up to 0.4 Ag-CNTs) than the pristine PSf membrane. The PSf nanocomposite membrane with a 0.2 Ag-CNT loading possessed the highest flux recovery of about 80 and the lowest total membrane resistance of 56 with a reduced irreversible fouling resistance of 21. (C) 2016 Wiley Periodicals, Inc.

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