Abstract

Problems of correctly USAing the method of reversed gas chromatography associated both with the features of conducting the experiment and interpretation of the results are considered with examination of the role of the nature of the sorbate. The USAe of this method, for investigating the thermodynamics of the interaction in polymeric systems is dUSAcUSAsed, in particular, for determining the thermodynamic compatibility in polymer-polymer and polymer-plasticizer systems, the parameters of the solvent-polymer interaction and the parameters of the solubility of polymers and plasticizers. The possibilities of the method are analysed and its USAe described in study of phase and relaxational transitions in polymeric systems, determination of the glass transition and melting points of polymers and their degree of crystallinity. The prospects of the method both in the direction of extending the areas of its relations for determining the physicochemical constants of polymers from the chromatographic data are considered.

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