Ebulliometric measurement of total pressure in the binary polystyrene + butan-2-one system

Vapour–liquid equilibria – as total pressure data – were determined isothermally in the polystyrene + butan-2-one system at 323.15, 333.15, and 343.15 K using the microebulliometric method. The experimental data were correlated using the UNIQUAC-free volume model, and the applicability of two known...

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Bibliographic Details
Published in:Fluid phase equilibria 2016-09, Vol.424, p.41-43
Main Authors: Pavlíček, J., Bogdanić, G., Wichterle, I.
Format: Article
Language:English
Subjects:
Binary systems (materials)
Computational fluid dynamics
Correlation
Experimental data
Fluids
Mathematical models
Phase equilibria
Polymer–solvent system
Polystyrene resins
Vapor–liquid equilibrium
Vapour-liquid equilibria
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Summary:Vapour–liquid equilibria – as total pressure data – were determined isothermally in the polystyrene + butan-2-one system at 323.15, 333.15, and 343.15 K using the microebulliometric method. The experimental data were correlated using the UNIQUAC-free volume model, and the applicability of two known predictive models was tested. •We have measured new experimental data on vapour–liquid equilibria in diluted polymer + solvent system.•The polystyrene + butan-2-one system was investigated at three isotherms.•Data were correlated by means of the UNIQUAC-free volume equation.•UNIQUAC-FV parameters for new and literature data are proportional to temperature.•Prediction of phase equilibria was carried out with use of the GC-Flory EoS and the Entropic-FV models.
ISSN:0378-3812
1879-0224
DOI:10.1016/j.fluid.2015.09.028