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将有机碱多乙烯多胺直接加到聚偏氟乙烯(PVDF)铸膜液中,利用L-S相转化法制备PVDF超滤膜;运用红外光谱、扫描电镜、接触角仪等对不同多乙烯多胺含量超滤膜的结构和性能进行表征.结果表明,多乙烯多胺的加入使PVDF超滤膜产生脱氟化氢反应,超滤膜的润湿性有明显改善.随着多乙烯多胺含量的增加,膜通量不断上升;当多乙烯多胺含量不超过6%时,超滤膜对BSA的截留率基本保持不变,当含量超过6%时,超滤膜的截留率明显下降.

参考文献

[1] Mathias Ulbricht .Advanced functional polymer membranes[J].Polymer: The International Journal for the Science and Technology of Polymers,2006(7):2217-2262.
[2] Zhang M G;Nguyen Q T;Ping Z H .Hydrophilic modification of Poly(vinylidene fluoride) microporous membrane[J].Journal of Membrane Science,2009,327(1-2):78-86.
[3] 李玲,周菊,苏鑫.聚偏氟乙烯/蒙皂石超滤膜的制备及性能研究[J].高校化学工程学报,2008(06):1037-1042.
[4] Zhao YH;Qian YL;Zhu BK;Xu YY .Modification of porous poly(vinylidene fluoride) membrane using amphiphilic polymers with different structures in phase inversion process[J].Journal of Membrane Science,2008(1/2):567-576.
[5] Chang Y;Shih YJ;Ruaan RC;Higuchi A;Chen WY;Lai JY .Preparation of poly(vinylidene fluoride) microfiltration membrane with uniform surface-copolymerized poly(ethylene glycol) methacrylate and improvement of blood compatibility[J].Journal of Membrane Science,2008(1/2):165-174.
[6] 孙秀丽,李伟英,文晨.TiO2对PVDF超滤膜结构与性能的影响[J].膜科学与技术,2011(04):17-21.
[7] T. Boccaccio;A. Bottino;G. Capannelli;P. Piaggio .Characterization of PVDF membranes by vibrational spectroscopy[J].Journal of Membrane Science,2002(2):315-329.
[8] 陈炜 .聚偏氟乙烯(PVDF)平板膜的制备工艺及化学改性的研究[D].浙江大学,2003.
[9] 沈娟,邱新平,李勇,朱文涛,陈立泉.碱处理PVDF膜对制备高电导率质子交换膜的作用[J].化学学报,2005(13):1187-1192.
[10] Ross G.J.;Watts J.F. .Surface modification of poly(vinylidene fluoride) by alkaline treatment 1.The degradation mechanism[J].Polymer: The International Journal for the Science and Technology of Polymers,2000(5):1685-1696.
[11] Owen ED.;Twigg MV.;Shah M. .PHASE TRANSFER CATALYSED DEGRADATION OF POLY(VINYL CHLORIDE) .1. PRODUCT CHARACTERISATION AND HANDLING[J].Polymer Degradation and Stability,1996(2):151-158.
[12] Cho J W;Song H Y .Dehydrofluorination of a copolymer of vinylidene fluoride and tetrafluoroethylene by phase transfer catalysis reaction[J].JOURNAL OF POLYMER SCIENCE PART A:POLYMER CHEMISTRY,1995,33:2109-2112.
[13] Lu Yan;Yu Shui Li;Chai Bao Xiang.Effect of nano-sized Al2O3-particle addition on PVDF ultrafiltration membrane performance[J].Journal of Membrane Science,2006(276):162-167.
[14] 施柳青,卞晓锴,陆晓峰.改性聚偏氟乙烯超滤膜的制备与性能的研究[J].膜科学与技术,2010(06):112-117.
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