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Preparation of anion exchange membranes by an efficient chloromethylation method and homogeneous quaternization/crosslinking strategy
Lu, Wangting1,2; Shao, Zhi-Gang1; Zhang, Geng1,2; Li, Jin1,2; Zhao, Yun1,2; Yi, Baolian1
KeywordAnion Exchange Membrane Chloromethylation Poly (Phthalazinone Ether Sulfone Ketone) 1 Crosslinking 4-bis (Chloromethoxy) Butane Chemical Stability
Source PublicationSOLID STATE IONICS
2013-09-01
DOI10.1016/j.ssi.2013.05.005
Volume245Pages:8-18
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Condensed Matter
WOS Research AreaChemistry ; Physics
WOS KeywordALKALINE FUEL-CELLS ; ETHER SULFONE KETONE) ; ELECTROLYTE ; PERFORMANCE
AbstractA 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.
Language英语
WOS IDWOS:000322559600002
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/137893
Collection中国科学院大连化学物理研究所
Affiliation1.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
GB/T 7714
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.
APA Lu, Wangting,Shao, Zhi-Gang,Zhang, Geng,Li, Jin,Zhao, Yun,&Yi, Baolian.(2013).Preparation of anion exchange membranes by an efficient chloromethylation method and homogeneous quaternization/crosslinking strategy.SOLID STATE IONICS,245,8-18.
MLA Lu, Wangting,et al."Preparation of anion exchange membranes by an efficient chloromethylation method and homogeneous quaternization/crosslinking strategy".SOLID STATE IONICS 245(2013):8-18.
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