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Vapour–liquid equilibria in the poly(methyl methacrylate) + 2-butanone system containing lower concentrations of solute at normal or reduced pressures

Vapour–liquid equilibria (VLE) were determined in the poly(methyl methacrylate) + 2-butanone system under isothermal conditions at 333.15, 343.15, and 353.15 K using an improved all-glass microebulliometer with circulation of the liquid phase for the dynamic measurement of total pressure over liquid mixtures. The experimental data were correlated using the UNIQUAC model. The Entropic-FV and the GC-Flory equation of state models were applied to predict VLE, and the results were compared with the experimental data. Both predictive models proved of the same quality and capable of predicting VLE for the studied system.

vapor-liquid equilibria; poly(methyl methacrylate); 2-butanone; experimental; prediction

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