Viscosity of binary non-electrolyte liquid mixtures: Prediction and correlation

Abstract

The viscosity of 31 binary liquid mixtures containing diverse groups of organic compounds, determined at atmospheric pressure: alcohols, alkanes (cyclo and aliphatic), esters, aromatics, ketones etc., were calculated using two different approaches, correlative (with Teja-Rice and McAllister models) and predictive by group contribution models (UNIFAC-VISCO, ASOG-VISCO and Grunberg--Nissan). The obtained results were analysed in terms of the applied approach and model, the structure of the investigated mixtures, the nature of components of the mixtures and the influence of alkyl chain length of the alcohol molecule.