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Thermodynamic properties of dimethyl phthalate + vinyl acetate, diethyl phthalate + vinyl acetate or bromocyclohexane, and dibutyl phthalate + vinyl acetate or 1,2-dichlorobenzene at T = 298.15–308.15 K

Abbas Mossazadeh Rostamkolahi, Abbas Ali Rostami, Fardad Koohyar, and Farhoush Kiani

Faculty of Chemistry, University of Mazandaran, 47416-95447, Babolsar, Iran



Abstract: Thermodynamic properties (densities and viscosities) of binary mixtures of diethyl phthalate (DEP) + bromocyclohexane, dibutyl phthalate (DBP) + 1,2-dichlorobenzene, and vinyl acetate (1) + dimethyl phthalate (DMP) (2), + diethyl phthalate (2), or + dibutyl phthalate (2) were measured over the whole range of mole fractions at atmospheric pressure and different temperatures (T = 298.15 K to 308.15 K). For these mixtures, their excess molar volumes (VE) and viscosity deviations (Δη) were calculated from the experimental data. These results were correlated with the Redlich-Kister polynomial equation to derive the coefficients and standard errors.

Keywords: viscosity – refractive index – density – Redlich-Kister equation – excess molar volumes – viscosities deviation

Full paper is available at

DOI: 10.2478/s11696-013-0400-2


Chemical Papers 67 (11) 1433–1441 (2013)

Monday, May 20, 2024

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