Thermo physical properties of 2-methyl-1-butanol with disubstituted ethanes at various temperatures and correlation with the jouyban-acree model

The excess molar volume, excess isentropic compressibility, and deviation in viscosity have been investigated from density, speed of sound and viscosity measurements of three binary mixtures of 2-methyl-1-butanol (B) with 1,2-disubstituted ethanes (1,2-dichloroethane(B1), ethylenediamine (B2) and mo...

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Bibliographic Details
Published in:Physics and chemistry of liquids 2024-01, Vol.62 (1), p.56-71
Main Authors: RaviKiran, CH, Chaduvula, Vijaya Lakshmi, Gowrisankar, M., Babu, Shaik, Sastry, G. S.
Format: Article
Language:English
Subjects:
2-disubstituted ethanes
2-methyl-1-butanol
Binary mixtures
Bonding strength
Butanol
Compressibility
Deviation
Dichloroethane
Ethylenediamine
Hydrogen bonding
Jouyban-Acree model
Molar volume
Molecular interactions
Monoethanolamine (MEA)
PFP theory
Physical properties
Viscosity
Viscosity measurement
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Summary:The excess molar volume, excess isentropic compressibility, and deviation in viscosity have been investigated from density, speed of sound and viscosity measurements of three binary mixtures of 2-methyl-1-butanol (B) with 1,2-disubstituted ethanes (1,2-dichloroethane(B1), ethylenediamine (B2) and monoethanolamine (B3) over entire composition range at various temperatures of 303.15 K −313.15 K. The excess / deviation has been fitted by a Redlich-Kister equation and the results are discussed in terms of attractive forces and chemical forces. The excess properties are found to be either negative or positive depending on the physical and chemical forces and the nature of the liquid mixtures. These systems studied exhibit very strong cross-association through hydrogen bonding. Prigogine-Flory-Patterson (PFP) theory is applied to identify the predominant molecular interaction. Jouyban-Acree model, results 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:10.1080/00319104.2023.2275314