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Simple activity coefficient model for the prediction of solvent activities in polymer solutions

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dc.contributor.author Kontogeorgis, GM en
dc.contributor.author Fredenslund, A en
dc.contributor.author Tassios, DP en
dc.date.accessioned 2014-03-01T01:09:32Z
dc.date.available 2014-03-01T01:09:32Z
dc.date.issued 1993 en
dc.identifier.issn 08885885 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/11064
dc.subject Polymer Solution en
dc.subject.other Combinatorial mathematics en
dc.subject.other Equations of state en
dc.subject.other Mathematical models en
dc.subject.other Solutions en
dc.subject.other Solvents en
dc.subject.other Thermal effects en
dc.subject.other Thermodynamic properties en
dc.subject.other Flory Huggins model en
dc.subject.other Linear temperature dependent parameter table en
dc.subject.other Polymer solutions en
dc.subject.other Simple activity coefficient model en
dc.subject.other Solvent activities prediction en
dc.subject.other Polymers en
dc.title Simple activity coefficient model for the prediction of solvent activities in polymer solutions en
heal.type journalArticle en
heal.identifier.primary 10.1021/ie00014a013 en
heal.identifier.secondary http://dx.doi.org/10.1021/ie00014a013 en
heal.publicationDate 1993 en
heal.abstract A new simple activity coefficient model for the prediction of solvent activities in polymer solutions is presented. The model consists of two terms, a recently proposed ""combined"" combinatorial-free-volume term by Elbro et al. and the residual term of UNIFAC. The linear temperature-dependent parameter table for UNIFAC, recently developed by Hansen et al., is used. The ability of the new model to predict solvent activity coefficients at infinite dilution for many different polymer-solvent systems is shown. Considering the significant errors often found in the experimental measurements of these coefficients and the scatter of the experimental data, the obtained results are very good: they compare favorably with the UNIFAC-FV model by Oishi and Prausnitz and they are better than the two rather complicated and recently developed equations of state proposed for polymer solutions by High and Danner and Chen et al. © 1993 American Chemical Society. en
heal.journalName Industrial and Engineering Chemistry Research en
dc.identifier.doi 10.1021/ie00014a013 en
dc.identifier.volume 32 en
dc.identifier.issue 2 en
dc.identifier.spage 362 en
dc.identifier.epage 372 en


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