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Thermodynamic properties of binary mixtures containing hydrofluoroether

โœ Scribed by Takashi Minamihounoki; Takayo Takigawa; Katsutoshi Tamura; Sachio Murakami

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
175 KB
Volume
33
Category
Article
ISSN
0021-9614

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โœฆ Synopsis

Excess molar enthalpy and excess molar volume at T = 298.15 K are reported for binary mixtures of (nonafluorobutylmethylether + butylmethylether, or nonane, or heptane, or pentane, or 1-propanol, or 2-propoxyethanol). Excess molar enthalpies of the mixture of (nonafluorobutylmethylether + 1-pentanol) also are reported at T = 298.15 K. The results of excess molar enthalpy are endothermic and the results of excess molar volume are positive in the whole concentration for all the mixtures. The phase separation is found in the range of 0.15 < x < 0.92 for the 1-pentanol system. The results are explained by means of the destruction of the dipolar interactions and hydrogen bonds in the component liquids, the difference of the dispersion interaction, and the formation of the intermolecular hydrogen bonds between unlike molecules.

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