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Effect of Perfluorosulfonic Acid(PFSA)Content on the Performance of Polyvinyl Chloride-Perfluorosulfonic Acid(PVC-PFSA)Hollow Fiber Blend Ultrafiltration Membrane
Pages: 40-43
Year: Issue:  4
Journal: Water Purification Technology

Abstract: 以聚氯乙烯(PVC)为膜材料,N,N-二甲基乙酰胺(DMA)为溶剂,聚乙烯吡咯烷酮(PVP)及全氟磺酸(PFSA)为共混改性材料,采用湿法纺丝制备了不同荷电密度的PVC-PFSA 中空纤维共混超滤膜.PFSA在制备的共混膜中能够以较稳定的形式存在,膜水通量可达153 L/(m2·h·bar).磺酸基团的引入,使PVC-PFSA 中空纤维共混超滤膜对无机盐产生一定程度的截留,对2 mmol/L 的M...
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