Density and thermal conductivity of 1-butyl-3-methylimidazolium tetrafluoroborate + methanol mixture


D. Tomida1, T. Odashima1, K. Qiao1 and C. Yokoyama1

1Tohoku University (IMRAM), Japan

Keywords: ionic liquid
property: density, thermal conductivity
material: 1-butyl-3-methylimidazolium tetrafluoroborate, methanol

The Density and thermal conductivity of 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM][BF4]) + methanol mixture were measured with a vibrating tube desimeter and a transient short-hot-wire method. Experimental temperature range was 293 to 353 K and pressure range was up to 20 MPa. The thermal conductivity of [BMIM][BF4] + methanol mixture increased approximately linearly with increasing methanol mole fraction in the [BMIM][BF4]-rich region. The thermal conductivities were fitted with molar volume.


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