1-丁基-3-甲基咪唑六氟磷酸盐+水+醇体系的相行为

doi:10.3866/PKU.WHXB201301314

Abstract

Abstract:

The phase behaviors of 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim] [PF₆]) + water+methanol, [bmim][PF₆]+water+ethanol, [bmim][PF₆]+water+2-propanol, and [bmim][PF₆]+water+1- propanol ternary systems were determined at 298.15 K and ambient pressure. It was demonstrated that when the mole fractions of the alcohols in the water+alcohol solutions were 0.55-1.00, 0.40-0.75, and 0.35-0.50 for methanol, ethanol, and 2-propanol, respectively, the [bmim][PF₆] was totally dissolved in the aqueous alcohol solutions due to a strong co-solvent effect. However, water+1-propanol did not exhibit this kind of behavior. Both the size and structure of the alcohols significantly affected the phase behaviors of the ternary systems.

Key words: Ionic liquid, Water, Alcohol, Phase behavior, Co-solvent effect

NING Hui, HOU Min-Qiang, MEI Qing-Qing, YANG De-Zhong, HAN Bu-Xing. Phase Behaviors of 1-Butyl-3-methylimidazolium Hexafluorophosphate+Water+Alcohol Systems[J].Acta Phys. -Chim. Sin., 2013, 29(04): 678-682.

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Phase Behaviors of 1-Butyl-3-methylimidazolium Hexafluorophosphate+Water+Alcohol Systems

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