Antifouling and antibacterial behavior of polyethersulfone membrane incorporating polyaniline@silver nanocomposites
作者： Song Zhao , Lichuan Huang , Tiezheng Tong , Wen Zhang , Zhi Wang
DOI: 10.1039/C6EW00332J
关键词: Nanocomposite 、 Chemical engineering 、 Materials science 、 Fourier transform infrared spectroscopy 、 Nanofiber 、 Composite number 、 Aqueous solution 、 Polymer chemistry 、 Biofouling 、 Polyaniline 、 Membrane
摘要: Nanocomposites with antibacterial properties were synthesized through in situ reduction of silver ammonia aqueous solution (Ag(NH3)2OH) on polydopamine coated polyaniline (PANI) nanofibers. The obtained PANI@Ag nanocomposites incorporated into polyethersulfone (PES) to fabricate composite ultrafiltration (UF) membranes by a phase inversion process. As characterized FTIR, XRD and TEM analysis, Ag nanoparticles uniformly assembled onto PANI nanofibers, which favored immobilization the membrane matrix. stability was further determined, slow release observed during static immersion dynamic filtration tests. Compared pristine PES membrane, PES/PANI@Ag showed improved hydrophilicity, water flux antifouling properties. Moreover, exhibited excellent anti-bacterial anti-biofouling performance against Escherichia coli Bacillus subtilis bacteria.
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