Abstract
ABSTRACT The density (ρ) and kinematic viscosity (v) data of polyethylene glycol 300 (PEG) + N, N-Dimethylformamide (DMF) binary mixture were determined under atmospheric pressure and six temperatures of T = (293.15–318.15) K. From these experimental results, the thermodynamic parameters like excess molar volume (V m E), apparent molar volume (Vφ, 1 and Vφ, 2) and partial molar volume ( and ), viscosity deviation (Δη) and excess Gibbs activation free energy (ΔG*E) were systemically counted, in which the standard deviation between the experimental and calculated data was estimated by fitting the Redlich-Kister formula. The intermolecular interaction of DMF with PEG was analysed by FTIR and UV-vis spectral technologies.
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