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电场强化组装聚离子复合物膜研究 被引量：1

Study on polyion composite membrane assembled by electric field enhanced technique
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摘要 采用水解改性PAN超滤膜作为基膜,通过动态电场强化技术复合聚乙烯亚胺(PEI)制备聚电解质渗透汽化复合膜,考察了不同电压对聚离子复合膜的渗透汽化性能的影响.实验测定了复合膜对不同醇/水体系的分离性能,发现在仅复合一层PEI时,电场强化LBL组装膜(5 V电压作用)对质量分数为95%的异丁醇/水体系的分离因子可达485,渗透通量为1521g/(m2.h)(60℃). In this paper, the polyion composite membranes were assembled by absorbing a PEI layer on hydrolyzed PAN ultrafiltration support membranes under dectric field. The effects of applied voltages on pervaporation performance of composite membranes were investigated. The composite membranes were used to separate different alcohol/water mixtures. In the case of pervaporation of 95% isobutyl/water mixtures, under the feed temperature of 60℃, the separation factor and the permeate flux of polyion composite membranes （assembled under the dectric field of 5 V） were 485 and 1 521 g/（m^2·h）, respectively.
作者 高学 张国俊 纪树兰 刘忠洲 田亮
机构地区 北京工业大学环境与能源工程学院 中国科学院生态环境研究中心
出处 《膜科学与技术》 CAS CSCD 北大核心 2008年第4期97-100,共4页 Membrane Science and Technology
基金 北京市科技新星计划项目(2006B13) 北京市自然科学基金重点基金项目(8071001) 北京市教委专款项目(科技成果转化与产业化建设-科技园孵化转化项目05005999200601)
关键词 电场强化组装 聚丙烯腈超滤膜 渗透汽化 聚离子复合膜 electric field PAN ultrafiltration membrane pervaporation polyion composite membrane
分类号 TQ028.8 [化学工程]
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参考文献8

  • 1Toutianoush A, Tieke B. Pervaporation separation of alcohol/water mixtures using self - assembled polyelectrolyte muhilayer membranes of high charge density[J ]. Mater Sci and Eng C,2002, 22 : 459- 463.
  • 2Zhang Guojun, Yan Haihong, Ji Shulan, et al. Self - assembly of polyelectrolyte multilayer pervaporation membranes by a dynamic layer - by - layer technique on a hydmlyzed polyacrylonitrile ultrafiltration membrane [ J ]. J Membr Sci,2007,292:1 - 8.
  • 3Zhang Guojun, Gu Weiliang, Ji Shulan, et al. Preparation of polyelectrolyte multilayer membranes by Dynamic layer - bylayer Process for pervaporation separation of alcohol/ Water mixtures[ J ]. J Membr Sci, 2006,280: 727 - 733.
  • 4Zhang Guojun, Gao Xue, Ji Shulan, et al. Electric field enhanced assembly of polyelectrolyte composite membranes [J] .J Membr Sci,2008,307:151 - 155.
  • 5张国俊,纪树兰,高学,等.聚电解质复合物膜的电场强化组装方法及装置[P].中国发明专利申请号:200710119717.8.2007-07-31.
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同被引文献23

  • 1Decher G. Fuzzy nanoassemblies:Toward layered poly- meric multicomposites[C]. Science, 1997, 277 (29) : 1232--1237.
  • 2Zhang Xi, Chen Huan, Zhang Hongytu Layer-by-layer assembly: from conventional to unconventional methods [J]. Chem Commun, 2007, (14) :1395--1405.
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  • 4Krasemann L, Toutianoush A, Tieke B. Self-assembled polyeleetrolyte multilayer membranes with highly im- proved pervaporation separation of ethanol/water mix- tures[J]. J Membr Sci, 2001, 181:221--228.
  • 5Toutianoush A, Tieke B. Pervaporation separation of alcohol/water mixtures using self-assembled polyelec- trolyte multilayer membranes of high charge density[J]. Mater Sci Eng C, 2002,22 : 459--463.
  • 6Li X, Feyter S, Chen D, et al. Solvent-Resistant nano filtration membranes based on multilayered polyelectro lyte complexes[J]. Chem Mater, 2008,20(12) : 3876-3883.
  • 7Li X, Goyensa W, Ahmadiannaminia P, et al. Mor- phology and performance of solvent-resistant nanot'iltra- tion membranes based on multilayered polyelectrolytes: Study of preparation conditions [J]. J Membr Sci, 2010, 358(1--2) :150--157.
  • 8Chen Yiwei, Xiangli Fenjuan, Jin Wanqin, et al. Or- ganic-inorganic composite pervaporation membranes prepared by self-assembly of polyelectrolyte multilayers on macroporous ceramic supports [J]. J Membr Sci, 2007, 302:78--86.
  • 9Zhao Qiang, Qian Jinwen, An Quanfu, et al. Pervapo- ration dehydration of isopropanol using homogeneous polyelectrolyte complex membranes of poly(diallyldime- thylammonium chloride)/sodium carboxymethyl cellu- lose[J]. J Membr Sci, 2009, 329:175--182.
  • 10Zhao Qiang, Qian Jinwen, An Quanfu, etal. Synthe- sis and characterization of soluble chitosan/sodium car- boxymethyl cellulose polyeleetrolyte complexes and the pervaporation dehydration of their homogeneous mem- branes[J]. J Membr Sci, 2009,333 : 68--78.

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膜科学与技术
2008年 第4期

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