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STRUCTURE AND PROPERTIES OF COMPOSITE POLYURETHANE HOLLOW FIBER MEMBRANES 被引量：3

STRUCTURE AND PROPERTIES OF COMPOSITE POLYURETHANE HOLLOW FIBER MEMBRANES
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摘要 Composite polyurethane(PU)-SiO_2 hollow fiber membranes were successfully prepared via optimizing thetechnique of dry-jet wet spinning,and their pressure-responsibilities were confirmed by the relationships of pure water flux-transmembrane pressure(PWF-TP)for the first time.The origin for this phenomenon was analyzed on the basis of membranestructure and material characteristics.The effects of SiO_2 content on the structure and properties of membrane wereinvestigated.The experimental results indicated that SiO_2 in membrane created a great many interfacial micro-voids andplayed an important role in pressure-responsibility,PWF and rejection of membrane:with the increase of SiO_2 content,theability of membrane recovery weakened,PWF increased,and rejection decreased slightly. Composite polyurethane(PU)-SiO_2 hollow fiber membranes were successfully prepared via optimizing thetechnique of dry-jet wet spinning,and their pressure-responsibilities were confirmed by the relationships of pure water flux-transmembrane pressure(PWF-TP)for the first time.The origin for this phenomenon was analyzed on the basis of membranestructure and material characteristics.The effects of SiO_2 content on the structure and properties of membrane wereinvestigated.The experimental results indicated that SiO_2 in membrane created a great many interfacial micro-voids andplayed an important role in pressure-responsibility,PWF and rejection of membrane:with the increase of SiO_2 content,theability of membrane recovery weakened,PWF increased,and rejection decreased slightly.
作者 Xian-fengLi Chang-faXiao
机构地区 KeyLaboratoryofHollowFiberMembraneMaterialsandMembraneProcess
出处 《Chinese Journal of Polymer Science》 SCIE CAS CSCD 2005年第2期203-210,共8页 高分子科学（英文版）
关键词 POLYURETHANE Silicon dioxide Composite hollow fiber membrane Pressure-responsibility. Polyurethane Silicon dioxide Composite hollow fiber membrane Pressure-responsibility.
分类号 TQ323.7 [化学工程—合成树脂塑料工业]
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参考文献22

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同被引文献29

  • 1彭跃莲,陈娜,沈婷,纪树兰,王湛,张国俊.α-Al_2O_3对PVDF超滤膜的结构与性能影响研究[J].膜科学与技术,2007,27(4):17-20.
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  • 5Cao X C,Ma J.2</sub> nanoparticle size on the performance of PVDF membrane&amp;sid=Applied Surface Science&amp;aufirst=Cao X C');&#xA; ">Effect of TiO<sub>2</sub> nanoparticle size on the performance of PVDF membrane. Applied Surface Science . 2006
  • 6Chen Z A,Deng M C,Chen Y,et al.Preparation and performance of cellulose acetate/polyethyleneimine blend microfiltration membranes and their applications. Journal of Membrane Science . 2004
  • 7Yu L Y,Xu Z L,Shen H M,et al.Preparation and characterization of PVDF-SiC&gt;2 composite hollow fiber UF membrane by sol-gel method. Membrane Science and Technology . 2009
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  • 9G. Arthanareeswaran,T.K. Sriyamuna Devi,M. Raajenthiren.Effect of silica particles on cellulose acetate blend ultrafiltration membranes. Part Ⅰ. Separation and Purification Technology . 2008
  • 10A. Bottino,,G. Capannelli,,A. Comite.Preparation and Characterization of Novel Porous PVDF-ZrO2 Composite Membranes. Desalination . 2002

引证文献3

二级引证文献10

Chinese Journal of Polymer Science
2005年 第2期

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