Abstract
In the present report, density (ρ) and speed of sound (u) of binary mixtures 1A2P (1-amino-2-propanol) (1) + AAc (2) (MAc (methyl acetate), EAc (ethyl acetate), PAc (propyl acetate) and BAc (butyl acetate)) mixture were calculated at T = 298.15–318.15 K at 0.1 MPa. Based on experimental data different thermo-physical properties like excess molar volume (VmE), excess molar isentropic compressibility (ksE), excess free volume (VfE), excess ultrasonic speed (uE), excess intermolecular free length (LfE) and excess available volume (VaE) were evaluated and also correlated with Redlich-Kister polynomial (R.K.) equation. The obtained result were interpreted in terms of structural and molecular interactions between the mixing components. The effects of steric hindrance and temperature on the excess properties are discussed. In addition, the various correlations like Nomoto, Impedance dependence, Van Dael, Jacobson’s free length theory (JFLT) and Schaaff’s collision factor theory (CFT) were employed to analyze the u data. Further, FT-IR spectroscopy studies clearly indicate that a strong intermolecular hydrogen bonding exist between 1A2P and alkyl acetates components in the binary mixture.
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