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聚醚砜超滤膜的制备及其工艺条件研究
引用本文:赵静,黄阳,刘振鸿,薛罡.聚醚砜超滤膜的制备及其工艺条件研究[J].环境科学与管理,2008,33(11):65-68.
作者姓名:赵静  黄阳  刘振鸿  薛罡
作者单位:东华大学,环境科学与工程学院,上海,201620
基金项目:教育部跨世纪优秀人才培养计划,教育部科学技术研究重点项目,上海市重点学科建设项目
摘    要:以聚醚砜(PES)为膜材料,聚乙烯吡咯烷酮(PVP)为添加剂,N,N-二甲基乙酰胺(DMAc)为溶剂,用相转化法制备了超滤膜。利用正交试验法,研究了制膜参数PES浓度、PVP浓度、凝固浴温度、凝固时间对膜性能的影响显著程度,其中PES浓度、PVP浓度、凝固浴温度对膜通量和截流率都有显著影响;并进一步探讨了这三个显著因素对膜性能的影响规律,得出制备截留分子量为67000的超滤膜的最佳条件为:PES浓度16%-22%,PVP浓度10%~12%,凝固浴温度308K-313K,凝固时间1200s~1800s。

关 键 词:聚醚砜超滤膜  正交试验  相转化

Research on the Preparation of Polyethersulfone Ultraf Iltra Tion Membranes
Zhao Jing,Huang Yang,Liu Zhenhong,Xue Gang.Research on the Preparation of Polyethersulfone Ultraf Iltra Tion Membranes[J].Environmental Science and Management,2008,33(11):65-68.
Authors:Zhao Jing  Huang Yang  Liu Zhenhong  Xue Gang
Institution:(College of Environmental Science & Engineering, Donghua University, Shanghai 201620, China)
Abstract:Polyethersulfone(PES) uhrafihration membrane was successfully prepared by means of phase inversion method, with PES as raw material, Polyvinyl Pyrrolidone(PVP) as additive, and dimethylacetamide(DMAc) as solvent. The effects of PES concentration in the casting solution, the additive concentration, the temperature of gelation bath, and gelation time on the membrane performance were investigated. Three of them have the obvious effect. The optimum preparation parameters were determined as follows:PES concentration 16% -22%, PVP concentration 10% -12%, gel temperature 308 K-313 K, gelation time1 200 s-1 800s.
Keywords:polyethersuffone uhrafiltration membrane  orthogonal experiment  phase inversion
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