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题名: Gas permeation performance of cellulose hollow fiber membranes made from the cellulose/N-methylmorpholine-N-oxide/H2O system
作者: Jie, XM;  Cao, YM;  Lin, B;  Yuan, Q
关键词: cellulose ;  hollow fiber membrane ;  N-methylmorpholine-N-oxide ;  phase separation ;  carbon dioxide
刊名: JOURNAL OF APPLIED POLYMER SCIENCE
发表日期: 2004-02-05
卷: 91, 期:3, 页:1873-1880
收录类别: SCI
文章类型: Article
项目归属: 905
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Polymer Science
研究领域[WOS]: Polymer Science
英文摘要: Cellulose hollow fiber membranes (CHFM) were prepared using a spinning solution containing N-methylmorpholine-N-oxide as solvent and water as a nonsolvent additive. Water was also used as both the internal and external coagulant. It was demonstrated that the phase separation mechanism of this system was delayed demixing. The CHFM was revealed to be homogeneously dense structure after desiccation. The gas permeation properties of CO2, N-2, CH4, and H-2 through CHFM were investigated as a function of membrane water content and operation pressure. The water content of CHFM had crucial influence on gas permeation performance, and the permeation rates of all gases increased sharply with the increase of membrane water content. The permeation rate of CO2 increased with the increase of operation pressure, which has no significant effect on N-2, H-2, and CH4. At the end of this article a detailed comparison of gas permeation performance and mechanism between the CHFM and cellulose acetate flat membrane was given. (C) 2003 Wiley Periodicals, Inc.
关键词[WOS]: IMMERSION PRECIPITATION ;  ACETATE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000187712400062
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/81627
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Environm Engn, Dalian, Peoples R China

Recommended Citation:
Jie, XM,Cao, YM,Lin, B,et al. Gas permeation performance of cellulose hollow fiber membranes made from the cellulose/N-methylmorpholine-N-oxide/H2O system[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2004,91(3):1873-1880.
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