Viscosity and density of 1-alkyl-3-methylimidazolium ionic liquids

被引：0
|
作者：
Seddon, KR [1 ]
Stark, A [1 ]
Torres, MJ [1 ]
机构：
[1] Queens Univ Belfast, Quill Ctr, Belfast BT9 5AG, Antrim, North Ireland
来源：
CLEAN SOLVENTS: ALTERNATIVE MEDIA FOR CHEMICAL REACTIONS AND PROCESSING | 2002年 / 819卷
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report here the viscosity and density of 1-alkyl-3-methylimidazolium salts of [BF4](-), [PF6](-), Cl-, [CF3SO3](-) and [NO3](-). Viscosity decreases as a function of temperature and increases with increasing alkyl chain length, while density decreases with increasing temperature and longer alkyl chain. The viscosity data were fitted to the VFT equation. The ionic liquids were found to exhibit Newtonian behavior when isotropic, whereas they act as non-Newtonian shear-thinning materials at the liquid-crystalline mesophase temperatures.
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页码：34 / 49
页数：16
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