Excess properties for binary liquid mixtures of Hexylene glycol with ketones at different temperatures and correlation with the Jouyban-Acree model

Excess molar volume, excess isentropic compressibility, deviation in viscosity, and excess Gibbs free energy of activation of viscous flow for binary mixtures of Hexylene glycol (2-methyl-pentanediol-2,4 or MPD) with aliphatic ketones (4-hydroxy-4-methyl-pentan-2-one (J 1 ), 4-methyl-pentan-2-one (J...

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Bibliographic Details
Published in:Physics and chemistry of liquids 2024-11, Vol.62 (6), p.546-563
Main Authors: Rajani, Ch, Manukonda, G.S., Raju, R. Ramesh
Format: Article
Language:English
Subjects:
Activation energy
aliphatic ketones
Binary mixtures
Compressibility
Deviation
excess/deviation parameters
Gibbs free energy
Hydrogen bonding
Jouyban-Acree model
Ketones
Molar volume
Molecular interactions
MPD
PFP theory
Viscous flow
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Summary:Excess molar volume, excess isentropic compressibility, deviation in viscosity, and excess Gibbs free energy of activation of viscous flow for binary mixtures of Hexylene glycol (2-methyl-pentanediol-2,4 or MPD) with aliphatic ketones (4-hydroxy-4-methyl-pentan-2-one (J 1 ), 4-methyl-pentan-2-one (J 2 ), and pentan-2-one (J 3 )) components selected compositions were determined from the measured values of densities (ρ), viscosities (η), and speeds of sound (u) of pure components and their mixtures from 303.15 K to 313.15 K. The results were analysed in terms of intermolecular interactions or hydrogen bonding or hetero-association interactions in the binary mixtures. Finally, the Prigogine-Flory-Patterson (PFP) theory is applied to identify the most predominant molecular interaction. The results of the Jouyban-Acree model are discussed in terms of mean relative deviation (MRDs) and individual relative deviation (IRD) between calculated and experimental densities, speeds of sound, and viscosities as an accuracy criterion.
ISSN:0031-9104
1029-0451
DOI:10.1080/00319104.2024.2331256