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Thermophysical properties of switchable-hydrophilicity solvent systems: N,N-Dipropyl-1-propanamine, water and carbon dioxide

Abstract : Measurements of density, viscosity, refractive index and conductivity of a switchable hydrophilicity solvent (SHS) system (N,N-dipropyl-1-propanamine (TPA), water, and carbon dioxide) have been carried at (283.15–308.15) K and 0.1 MPa. The derived parameters, such as apparent molar volume of solute, limiting apparent molar volume of solute, Masson’s coefficient SV, molar refraction and limiting molar conductivity, were obtained using the density, refractive index and conductivity results. Viscosity results are used to calculate the Jones-Dole viscosity B-coefficient, free energy of activation of the solute and solvent, activation enthalpy, and activation entropy. A detailed insight into the physicochemical interactions occurring among solute and solvent molecules along with the structure-making/structure-breaking tendency has been retrieved through the perusal of these calculated parameters
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https://hal.univ-lorraine.fr/hal-02460593
Contributor : Jean-Noël Jaubert <>
Submitted on : Thursday, January 30, 2020 - 10:53:49 AM
Last modification on : Monday, September 28, 2020 - 4:18:16 PM

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Jian Wang, Xin Yuan, Hongkun Zhao, Yaqiong Wang, Xuedong Zhu, et al.. Thermophysical properties of switchable-hydrophilicity solvent systems: N,N-Dipropyl-1-propanamine, water and carbon dioxide. Journal of Chemical Thermodynamics, Elsevier, 2020, 143 (1), pp.106049. ⟨10.1016/j.jct.2020.106049⟩. ⟨hal-02460593⟩

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