Influence of Aprotic Cosolvents on the Thermophysical Properties of Imidazolium-Based Ionic Liquid

Influence of Aprotic Cosolvents on the Thermophysical Properties of Imidazolium-Based Ionic Liquid
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非质子共溶剂对咪唑鎓基离子液体热物理性质的影响

DOI:
10.1021/acs.jced.7b00002
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发表时间:
2017-04
影响因子:
--
通讯作者:
Liu Zhigang
Liu Zhigang
中科院分区:
工程技术3区
文献类型:
--
作者:
Yang Fuxin;Ma Qian;Wang Xiaopo;Liu Zhigang

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咪唑类离子液体在生物燃料合成中得到了广泛的研究。在这项工作中,实验密度和粘度的二元混合物的IL,1-辛基-3-甲基咪唑氯化物,与非质子共溶剂(即,N,N-二甲基乙酰胺,N,N-二甲基甲酰胺,二甲基亚砜,吡啶)在温度范围从(303.15至353.15)K在大气压下进行了研究。Vogel-Fulcher-Tammann方程用于关联粘度数据。为了进一步了解共溶剂对离子液体性质的影响,计算了密度和粘度偏差的过量性质以及能垒。讨论了助溶剂对体系密度和粘度的影响。
Imidazolium-based ionic liquids (ILs) have been widely investigated in the biofuels process. In this work, the experimental densities and viscosities of binary mixtures of IL, 1-octyl-3-methylimidazolium chloride, with aprotic cosolvents (i.e., N,N-dimethylacetamide, N,N-dimethylformamide, dimethyl sulfoxide, and pyridine) were studied at temperatures ranging from (303.15 to 353.15) K at atmospheric pressure. The Vogel–Fulcher–Tammann equation is used to correlate the viscosity data. Toward further understanding the influences of cosolvents on the properties of IL, the excess properties of density and viscosity deviations are calculated as well as the energy barrier. The effects of cosolvents on the density and viscosity are discussed.
DOI: 10.1021/je9600358
发表时间: 1996-09-01
期刊: JOURNAL OF CHEMICAL AND ENGINEERING DATA
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