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题名: Physicochemical Properties of Ionic Liquids [C(3)py][NTf2] and [C(6)py][NTf2]
作者: Liu, Qing-Shan1;  Yang, Miao1;  Li, Pei-Pei1;  Sun, Si-Si2;  Welz-Biermann, Urs1;  Tan, Zhi-Cheng1, 3;  Zhang, Qing-Guo2
刊名: JOURNAL OF CHEMICAL AND ENGINEERING DATA
发表日期: 2011-11-01
DOI: 10.1021/je200534b
卷: 56, 期:11, 页:4094-4101
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Multidisciplinary ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Air- and water-stable hydrophobic ionic liquids N-alkylpyridinium bis(trifluoromethylsulfonyl)imide ([C(n)py][NTf2], n = 3, 6) were synthesized. The density, surface tension, dynamic viscosity, and electrical conductivity of [C(6)py][NTf2] were measured in the range of T = (283.15 to 338.15) K. The density, dynamic viscosity, and electrical conductivity of [C(3)py][NTf2] were measured in the range of T = (308.15 to 338.15) K. The melting and glass transition temperatures of the two ILs were determined according to the differential scanning calorimetry (DSC). The physicochemical properties, including molecular volume, standard molar entropy, lattice energy, parachor, molar enthalpy of vaporization, interstice volume, interstice fraction, and thermal expansion coefficient, were estimated in terms of empirical and semiempirical equations, as well as the interstice model theory on the base of the experimental values. The dynamic viscosity and electrical conductivity values were fitted by Vogel-Fulcher-Tammann (VFT) and Arrhenius equations for [C(6)py][NTf2] and the Arrhenius equation for [C(3)py][NTE2].
关键词[WOS]: TEMPERATURE MOLTEN-SALTS ;  PHYSICAL-PROPERTIES ;  SURFACE-TENSION ;  POTENTIAL ELECTROLYTES ;  VAPOR-PRESSURE ;  LOW-VISCOSITY ;  DENSITY ;  MIXTURES ;  POINT ;  PURE
语种: 英语
WOS记录号: WOS:000296685600019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142368
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, China Ion Liquid Lab, Dalian 116023, Peoples R China
2.Bohai Univ, Dept Chem, Jinzhou 121000, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Liu, Qing-Shan,Yang, Miao,Li, Pei-Pei,et al. Physicochemical Properties of Ionic Liquids [C(3)py][NTf2] and [C(6)py][NTf2][J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2011,56(11):4094-4101.
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