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Morphology and performance of solvent-resistant nanofiltration membranes based on multilayered polyelectrolytes: Study of preparation conditions
Li, Xianfeng1,2; Goyens, Ward1; Ahmadiannamini, Pejman1; Vanderlinden, Willem3,4; De Feyter, Steven3,4; Vankelecom, Ivo1
关键词Membrane Polyelectrolyte Complexes Srnf Morphology Layer-by-layer
刊名JOURNAL OF MEMBRANE SCIENCE
2010-08-15
DOI10.1016/j.memsci.2010.04.039
358期:1-2页:150-157
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Engineering, Chemical ; Polymer Science
研究领域[WOS]Engineering ; Polymer Science
关键词[WOS]WEAK POLYELECTROLYTES ; FILMS ; ULTRATHIN ; CONSTRUCTION ; TRANSPORT ; SOLUTES
英文摘要Multilayered polyelectrolyte complexes (PECs) were further explored as membranes for solvent-resistant nanofiltration (SRNF), with focus on their preparation conditions. Deposition of the polyelectrolytes (PE) was realized by a simple alternating adsorption of polycations and polyanions. Separations with the resulting membranes were optimized by varying the deposition conditions. Small ions (NaCl) were added to the PE dipping solutions to control the charge density and the configuration of the PE adsorbed, hence of the membrane morphology and performance. With addition of salt in PE coating solutions, more "loopy" or "tailed" PEs were adsorbed on the membrane support, resulting in thicker and looser PEC toplayers. With increasing NaCl concentration from 0 M to 0.5 M. the membranes showed an isopropyl alcohol (IPA) permeance from 0.06 to 0.98 L/(m(2) h bar) at very high Rose Bengal (1017 Da) retention. The resulting membranes showed comparable selectivity properties with commercial membranes, but with better solvent stability and higher fluxes. (C) 2010 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000279277400018
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142050
专题中国科学院大连化学物理研究所
作者单位1.Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, Fac Bioengn Sci, B-3001 Louvain, Belgium
2.Chinese Acad Sci, Dalian Inst Chem Phys, Lab PEMFC Key Mat & Technol, Dalian 116023, Peoples R China
3.Katholieke Univ Leuven, Lab Photochem & Spect, Div Mol & Nanomat, B-3001 Louvain, Belgium
4.Katholieke Univ Leuven, INPAC, B-3001 Louvain, Belgium
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Li, Xianfeng,Goyens, Ward,Ahmadiannamini, Pejman,et al. Morphology and performance of solvent-resistant nanofiltration membranes based on multilayered polyelectrolytes: Study of preparation conditions[J]. JOURNAL OF MEMBRANE SCIENCE,2010,358(1-2):150-157.
APA Li, Xianfeng,Goyens, Ward,Ahmadiannamini, Pejman,Vanderlinden, Willem,De Feyter, Steven,&Vankelecom, Ivo.(2010).Morphology and performance of solvent-resistant nanofiltration membranes based on multilayered polyelectrolytes: Study of preparation conditions.JOURNAL OF MEMBRANE SCIENCE,358(1-2),150-157.
MLA Li, Xianfeng,et al."Morphology and performance of solvent-resistant nanofiltration membranes based on multilayered polyelectrolytes: Study of preparation conditions".JOURNAL OF MEMBRANE SCIENCE 358.1-2(2010):150-157.
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