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Morphology evolution of thickness-gradient membranes prepared by wet phase-inversion process
Zhou, Jingqian; Ren, Jizhong; Lin, Li; Deng, Maicun
关键词Thickness-gradient Membrane Wet Phase-inversion Membrane Morphology Membrane Thickness
刊名SEPARATION AND PURIFICATION TECHNOLOGY
2008-10-22
DOI10.1016/j.seppur.2008.05.019
63期:2页:484-486
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]ASYMMETRIC MEMBRANES ; MACROVOIDS
英文摘要In this paper, the thickness-gradient membranes defined as flat sheet membranes with an increasing membrane thickness were prepared using polyetherimide (PEI)/N-methyl-2-pyrrolidone (NMP)/gamma-butyrolactone (GBL) casting solutions with the same polymer concentration (15 wt% PEI) and two different ratio of NMP/GBL by wet phase-inversion process. With an increase in membrane thickness, the membrane morphology evolution from sponge-like to finger-like structure was investigated clearly, and it was described with the critical structure-transition thickness (L-c) and general sponge-like structure thickness (L-gs). The morphology evolution of thickness-gradient membranes was illustrated with three different thickness regions. (C) 2008 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000260702600032
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被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140856
专题中国科学院大连化学物理研究所
作者单位Dalian Inst Chem Phys, Natl Engn Res Ctr Membrane Technol, Dalian 116023, Peoples R China
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GB/T 7714
Zhou, Jingqian,Ren, Jizhong,Lin, Li,et al. Morphology evolution of thickness-gradient membranes prepared by wet phase-inversion process[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2008,63(2):484-486.
APA Zhou, Jingqian,Ren, Jizhong,Lin, Li,&Deng, Maicun.(2008).Morphology evolution of thickness-gradient membranes prepared by wet phase-inversion process.SEPARATION AND PURIFICATION TECHNOLOGY,63(2),484-486.
MLA Zhou, Jingqian,et al."Morphology evolution of thickness-gradient membranes prepared by wet phase-inversion process".SEPARATION AND PURIFICATION TECHNOLOGY 63.2(2008):484-486.
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