Abstract
Polycarbonates (PCs) are polyesters used for high-tech applications. For these applications many properties are needed. Gas chromatography can provide useful information about the thermodynamic properties of polymer systems for the determination of the parameters characterising polymer–solvent interactions. In this work, bisphenol A PC was studied by GLC: weight activity coefficients at infinite dilution and the Flory–Huggins parameter χ for paraffinic, cycloparaffinic and aromatic solvents have been determined. Two thermodynamic models, universal functional group activity coefficients (UNIFAC)-FV and GC-Flory equation of state (EOS), were applied to correlate the experimental data.
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