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Physicochemical Characterization of MFm--Based Ammonium Ionic Liquids
Li, Haifang1,2; Zhao, Guoying2; Liu, Fangfang1; Zhang, Suojiang2
2013-06-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume58Issue:6Pages:1505-1515
AbstractA series of ammonium-based ionic liquids (ILs), which share a homologous series of cations (CH3CH2)(3)N+(CnH2n+1) with n = 2, 4, 6, 8 and the anions with either BF4-, PF6-, or SbF6-, was synthesized. Their structures were confirmed by H-1 and C-13 NMR, ESI-MS, and elemental analysis. Meanwhile, the content of impurity (e.g., water and bromide ions) was also determined using Karl Fischer titrator and ion chromatography. The thermal properties of the ILs were determined by TGA and DSC. Five of the investigated ILs have been shown to have a low melting point (< 100 degrees C): N,N,N,N-tetraethylammonium tetrafluoroborate, [N-2222]BF4, N,N,N,N-tetraethylammonium hexafluorophosphate, [N-2222]PF6, N,N,N-triethylhexylammonium tetrafluoroborate, [N-2226]BF4, N,N,N-triethyloctylammonium hexafluorophosphate, [N-2228]PF6 and N,N,N-triethyloctylammonium hexafluoroantimonate, [N-2228]SbF6. Densities, refractive indices, and miscibility of these 12 ILs were well studied systematically. Moreover, from the analysis of the structure-property relationship, the role of the alkyl chain length of the cation on these physical properties of the ILs has been assessed, and the influence of the nature of the anions on these experimental data of the ILs has been discussed. The studies may provide valuable contributions for the design and study of ILs.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS KeywordDUAL SOLVENT-CATALYSTS ; ALKYL CHAIN-LENGTH ; PHYSICAL-PROPERTIES ; THERMOPHYSICAL PROPERTIES ; THERMODYNAMIC PROPERTIES ; TEMPERATURE-DEPENDENCE ; REACTION MEDIA ; ANION ; EFFICIENT ; TETRAFLUOROBORATE
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000320641100011
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13483
Collection研究所(批量导入)
Affiliation1.Hebei Univ Sci & Technol, Coll Chem & Pharmacet Engn, Shijiazhuang 050018, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Li, Haifang,Zhao, Guoying,Liu, Fangfang,et al. Physicochemical Characterization of MFm--Based Ammonium Ionic Liquids[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2013,58(6):1505-1515.
APA Li, Haifang,Zhao, Guoying,Liu, Fangfang,&Zhang, Suojiang.(2013).Physicochemical Characterization of MFm--Based Ammonium Ionic Liquids.JOURNAL OF CHEMICAL AND ENGINEERING DATA,58(6),1505-1515.
MLA Li, Haifang,et al."Physicochemical Characterization of MFm--Based Ammonium Ionic Liquids".JOURNAL OF CHEMICAL AND ENGINEERING DATA 58.6(2013):1505-1515.
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