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题名: Preparation of anion exchange membranes by an efficient chloromethylation method and homogeneous quaternization/crosslinking strategy
作者: Lu, Wangting1, 2;  Shao, Zhi-Gang1;  Zhang, Geng1, 2;  Li, Jin1, 2;  Zhao, Yun1, 2;  Yi, Baolian1
关键词: Anion exchange membrane ;  Chloromethylation ;  1, 4-bis (chloromethoxy) butane ;  Poly (phthalazinone ether sulfone ketone) ;  Crosslinking ;  Chemical stability
刊名: SOLID STATE IONICS
发表日期: 2013-09-01
DOI: 10.1016/j.ssi.2013.05.005
卷: 245, 页:8-18
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Physics
英文摘要: A novel chloromethylation method and homogeneous quaternization/crosslinking strategy for a series of polymers are demonstrated in this paper. The chloromethylation is accomplished by using 1, 4-bis (chloromethoxy) butane (BCMB) as the chloromethylating reagent and concentrated sulfuric acid as the solvent and catalyst. BCMB is a kind of high-efficient, non-carcinogenic and inexpensive chloromethylating reagent, and concentrated sulfuric acid replaces toxic halogenated hydrocarbon. Study results indicated that BCMB had higher reactivity than chloromethyl octyl ether under similar reaction conditions. The chloromethylated poly (phthalazinon ether sulfone ketone) (PPESK) was then crosslinked and quartemized by using N, N, N', N'-tetramethyl-1, 6-hexanediamine (TMHDA) as the homogeneous quatemizing and crosslinking agent during the solvent evaporation. The ion exchange capacity (IEC) of the crosslinked membranes (C-QAPPESK/OH) was very close to the theoretical value, higher than that of the membranes quatemized by trimethylamine (TMA) aqueous solutions (QAPPESK/OH). In addition to higher IEC, C-QAPPESK/OH membranes possessed greater hydroxide conductivity and chemical stability than that of QAPPESK/OH membranes. The results suggest that this efficient chloromethylation together with the homogeneous quatemizing and crosslinking method is a time-saving strategy with potential application in the preparation of anion exchange membranes. (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: ALKALINE FUEL-CELLS ;  ETHER SULFONE KETONE) ;  ELECTROLYTE ;  PERFORMANCE
语种: 英语
WOS记录号: WOS:000322559600002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137893
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, Fuel Cell Syst & Engn Grp, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Lu, Wangting,Shao, Zhi-Gang,Zhang, Geng,et al. Preparation of anion exchange membranes by an efficient chloromethylation method and homogeneous quaternization/crosslinking strategy[J]. SOLID STATE IONICS,2013,245:8-18.
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