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题名: Poly(amide-12-b-ethylene oxide)/glycerol triacetate blend membranes for CO2 separation
作者: Feng, Shichao1;  Ren, Jizhong1;  Li, Zhansheng2;  Li, Hui1;  Hua, Kaisheng1;  Li, Xinxue1;  Deng, Maicun1
关键词: Poly(amide-12-b-ethylene oxide) ;  Glycerol triacetate ;  Blend membrane ;  Carbon dioxide separation
刊名: INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
发表日期: 2013-11-01
DOI: 10.1016/j.ijggc.2013.08.012
卷: 19, 页:41-48
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Energy & Fuels ;  Engineering, Environmental
研究领域[WOS]: Energy & Fuels ;  Engineering
英文摘要: In this paper, CO2-philic membranes are prepared with poly(amide-12-b-ethylene oxide) (Pebax1074) and glycerol triacetate (GTA) by polymer blending, which show excellent compatibility for different GTA compositions. The additive GTA into Pebax1074 matrix can improve the chain mobility, induce high CO2-philicity and decrease membrane crystallinity. With the increase of GTA mass content from 0 to 80 wt%, CO2 permeability increases from similar to 135 to similar to 1800 Barrer, and CO2/H-2 ideal selectivity also increases from 10 to 19. For Pebax1074/GTA blend membranes, the threshold mass content of GTA (C) which corresponds to the rapid increase of gas permeability is about 40 wt%. When GTA mass content is not more than C* (40 wt%), the gas permeation properties are mainly dominated by Pebax1074. But for Pebax1074/GTA blend membranes with GTA mass content above C* (40 wt%), their gas permeabilities and CO2/light gas selectivities both change dramatically, which are mainly influenced by GTA. These membranes show excellent separation performance for CO2/N-2 and CO2/H-2, especially for CO2/H-2 separation. (C) 2013 Elsevier Ltd. All rights reserved.
关键词[WOS]: SEGMENTED BLOCK-COPOLYMERS ;  GAS PERMEATION PROPERTIES ;  CARBON-DIOXIDE ;  POLYMERIC MEMBRANES ;  HYDROGEN PURIFICATION ;  POLY(ETHYLENE GLYCOL) ;  SOFT ACIDS ;  PLASTICIZATION ;  PERMEABILITY ;  TECHNOLOGIES
语种: 英语
WOS记录号: WOS:000330491400006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137662
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, Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Dalian Univ Technol, Sch Chem Engn, Dept Polymer Sci & Engn, Dalian 116024, Peoples R China

Recommended Citation:
Feng, Shichao,Ren, Jizhong,Li, Zhansheng,et al. Poly(amide-12-b-ethylene oxide)/glycerol triacetate blend membranes for CO2 separation[J]. INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL,2013,19:41-48.
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