SOLUTION PROPERTIES OF AMORPHOUS COPOLYMERS AND TERPOLYMERS OF STYRENE AS EXAMINED BY INVERSE GAS-CHROMATOGRAPHY

Inverse gas chromatography was used for determination of thermodynamic functions of solution of C-7-C-10 n-alkanes, n-butanol, di-n-butyl et her and 1,4-dioxane in amorphous polystyrene and its copolymers [styre ne-nonyl methacrylate (4:1), styrene-maleic anhydride-methacrylic acid (1:1:1) and styrene-nonyl methacrylate (4:1) with addition of 2% (w/w ) p-phthalimidinoxymethacrylic acid] at infinite dilution and also the glass transition temperatures of these polymers. The influence of mod ification of the polymer structure on the glass transition temperature and on ability of the polymer functional groups to interact with non- polar, donor or acceptor sorbates was established.