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Effect of Ethylene Glycol Monobutyl Ether on Skin Layer Formation Kinetics of Asymmetric Membranes
Li, Xin1; Chen, Cuixian2; Li, Jiding2; Su, Yi3; Li, X
2009-08-15
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume113Issue:4Pages:2392-2396
AbstractThe present work was concerned with skin layer formation kinetics of Polyethersulfone with Cardo (PES-C) asymmetric membranes by the phase inversion method. Gelation process was observed using an online optical microscope-CCD camera experimental system, the result indicated that a single linear correlation between square value of precipitation front move (X(2)) and time (t) did not exist for the whole gelation process, which was different from the traditional conclusion. The effect of Ethylene glycol monobutyl ether (EGME) on skin layer gelation process was investigated, and the skin layer formation kinetics equation was determined, which could be described with gelation rate constant equation. The gelation rate constant decreased with the increase of concentration of EGME. EGME concentrations affected the viscous flow activation energy, and the increase of viscous flow activation energy led to the decrease of gelation rate. The change trend of the gelation rate was exactly the same as that of the flux. The results helped to understand the asymmetric membrane skin layer formation process better, which was important for controlling the membrane separation properties and designing the membranes for a specific application. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 113: 2392-2396, 2009
KeywordFormation Kinetics Skin Layer Asymmetric Membrane Effect Of Egme Wet Phase Inversion
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/app.30367
Indexed BySCI
Language英语
WOS KeywordPHASE-INVERSION PROCESS ; ULTRAFILTRATION MEMBRANES ; IMMERSION PRECIPITATION ; MECHANISM
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
WOS IDWOS:000266945300041
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6603
Collection生化工程国家重点实验室
Corresponding AuthorLi, X
Affiliation1.Beijing Inst Technol, Beijing 100081, Peoples R China
2.Tsinghua Univ, Dept Chem Engn, Beijing 100084, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Li, Xin,Chen, Cuixian,Li, Jiding,et al. Effect of Ethylene Glycol Monobutyl Ether on Skin Layer Formation Kinetics of Asymmetric Membranes[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2009,113(4):2392-2396.
APA Li, Xin,Chen, Cuixian,Li, Jiding,Su, Yi,&Li, X.(2009).Effect of Ethylene Glycol Monobutyl Ether on Skin Layer Formation Kinetics of Asymmetric Membranes.JOURNAL OF APPLIED POLYMER SCIENCE,113(4),2392-2396.
MLA Li, Xin,et al."Effect of Ethylene Glycol Monobutyl Ether on Skin Layer Formation Kinetics of Asymmetric Membranes".JOURNAL OF APPLIED POLYMER SCIENCE 113.4(2009):2392-2396.
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