SCI和EI收录∣中国化工学会会刊

Chinese Journal of Chemical Engineering ›› 2022, Vol. 44 ›› Issue (4): 212-238.DOI: 10.1016/j.cjche.2021.05.024

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Study of intermolecular interactions in binary mixtures of methyl acrylate with benzene and methyl substituted benzenes at different temperatures: An experimental and theoretical approach

Anil Kumar Nain   

  1. Department of Chemistry, Dyal Singh College (University of Delhi), New Delhi 110 003, India
  • Received:2020-09-09 Revised:2021-01-03 Online:2022-06-18 Published:2022-04-28
  • Contact: Anil Kumar Nain,E-mail:anilkumarnain@dsc.du.ac.in

Study of intermolecular interactions in binary mixtures of methyl acrylate with benzene and methyl substituted benzenes at different temperatures: An experimental and theoretical approach

Anil Kumar Nain   

  1. Department of Chemistry, Dyal Singh College (University of Delhi), New Delhi 110 003, India
  • 通讯作者: Anil Kumar Nain,E-mail:anilkumarnain@dsc.du.ac.in

Abstract: The ultrasonic speeds, u and viscosities, η of the binary mixtures of methyl acrylate with benzene, toluene, o-xylene, m-xylene, p-xylene, and mesitylene over the whole mole fraction range were measured at six different temperatures and at atmospheric pressure. From the experimental data, the excess isentropic compressibility, KSE, excess ultrasonic speed, uE, excess molar isentropic compressibility, Ks,mE, excess specific impedance, ZEand deviations in viscosity, Δηhave been calculated. The partial molar isentropic compressions, Ks,m,1 and Ks,m,2, and excess partial molar isentropic compressions, ${\mathop K\limits^{ - E}}$s,m,1 and ${\mathop K\limits^{ - E}}$s,m,2 over the whole composition range, partial molar isentropic compressions, and , and excess partial molar isentropic compressions, $\mathop K\limits^{ - \hat E} $s,m,1 and $\mathop K\limits^{ - \hat E} $s,m,2 of the components at infinite dilution have also been calculated. The results specified the existence of weak interactions between unlike molecules, and these interactions follow the order: benzene > toluene > p-xylene > m-xylene > o-xylene > mesitylene. The magnitude of interactions was found to be dependent on the number and position of the methyl groups in these aromatic hydrocarbons.

Key words: Ultrasonic speed, Viscosity, Methyl acrylate, Aromatic hydrocarbon, Excess properties, Intermolecular interactions

摘要: The ultrasonic speeds, u and viscosities, η of the binary mixtures of methyl acrylate with benzene, toluene, o-xylene, m-xylene, p-xylene, and mesitylene over the whole mole fraction range were measured at six different temperatures and at atmospheric pressure. From the experimental data, the excess isentropic compressibility, KSE, excess ultrasonic speed, uE, excess molar isentropic compressibility, Ks,mE, excess specific impedance, ZEand deviations in viscosity, Δηhave been calculated. The partial molar isentropic compressions, Ks,m,1 and Ks,m,2, and excess partial molar isentropic compressions, ${\mathop K\limits^{ - E}}$s,m,1 and ${\mathop K\limits^{ - E}}$s,m,2 over the whole composition range, partial molar isentropic compressions, and , and excess partial molar isentropic compressions, $\mathop K\limits^{ - \hat E} $s,m,1 and $\mathop K\limits^{ - \hat E} $s,m,2 of the components at infinite dilution have also been calculated. The results specified the existence of weak interactions between unlike molecules, and these interactions follow the order: benzene > toluene > p-xylene > m-xylene > o-xylene > mesitylene. The magnitude of interactions was found to be dependent on the number and position of the methyl groups in these aromatic hydrocarbons.

关键词: Ultrasonic speed, Viscosity, Methyl acrylate, Aromatic hydrocarbon, Excess properties, Intermolecular interactions