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Browsing by Author "Karagoez, A. Hamdi"

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    Physical and Thermodynamic Properties of Poly(2-Phenyl Polymer With Inverse Gas Chromatography
    (Asian Journal of Chemistry, 2009) Karagoez, A. Hamdi; Erge, Hasan; Ilter, Zuelfiye
    In this study, the physical and thermodynamic properties of poly(2-phenyl- 1,3-dioxolane-4-yl-methyl-methacrylate-co-ethylmethacrylate) (PDMMA-EM) were investigated by using inverse gas chromatography. Two groups of alcohols and alkanes with different chemical natures and polarities were used to obtain some properties of (PDMMA-EM-solvent) systems. The specific retention volume, V-g(0), glass transition temperature, Tg, the sorption enthalpy, Delta H-1(S), sorption free energy, Delta G(1)(S), sorption entropy, Delta S-1(S), the weight fraction activity coefficients of solute probes at infinite dilution, Omega(infinity)(1) and Flory-Huggins interaction parameters, chi(infinity)(12), between polymer and solvents were determined in the temperature range of 333-473 K. The solubility parameters of PDMMA-EM at infinite dilution was also found by plotting the graph of [delta(2)(1)-(Delta G(1)(infinity)-V-1)] versus solubility parameters, delta(1), of probes.