Thermophysical Properties Analysis of Poly (Ethylene Glycol) 600 + Methanol, Ethanol, 1-Propanol, and 2-Propanol Binary Liquid Mixtures

In this work, a series of thermophysical properties (apparent specific volume, excess molar volume, excess Gibbs energy of activation for viscous flow, coefficient of thermal expansion, excess coefficient of thermal expansion) of poly (ethylene glycol) 600 (PEG600) + methanol, ethanol, 1-propanol, a...

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Bibliographic Details
Published in:International journal of thermophysics 2020, Vol.41 (2), Article 19
Main Authors: Mousavi, Zohre, Pirdashti, Mohsen, Rostami, Abbas Ali, Dragoi, Elena-Niculina
Format: Article
Language:English
Subjects:
Activation energy
Classical Mechanics
Condensed Matter Physics
Density
Empirical analysis
Ethanol
Ethylene glycol
Geophysics
Industrial Chemistry/Chemical Engineering
Interaction parameters
Methanol
Molar volume
Molecular interactions
Parameter estimation
Physical Chemistry
Physics
Physics and Astronomy
Polynomials
Refractivity
Specific volume
Temperature
Thermal expansion
Thermodynamics
Thermophysical properties
Viscosity
Viscous flow
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Summary:In this work, a series of thermophysical properties (apparent specific volume, excess molar volume, excess Gibbs energy of activation for viscous flow, coefficient of thermal expansion, excess coefficient of thermal expansion) of poly (ethylene glycol) 600 (PEG600) + methanol, ethanol, 1-propanol, and 2-propanol binary liquid mixtures were determined based on density and viscosity experimental measures at 293.15 K, 298.15 K, and 303.15 K and refractive indices at 298.15 K. After that, the obtained excess parameters were used to analyze the inter-intra molecular interactions in the liquid mixtures. In order to estimate the interaction parameters, the excess molar volume results were fitted to Redlich–Kister polynomial. Moreover, a set of semi-empirical relations were proposed to predict the viscosity of liquid mixtures.
ISSN:0195-928X
1572-9567
DOI:10.1007/s10765-019-2600-7