Abstract
The chromatographic properties of copolymers of 2,3-epoxypropyl methacrylate and 2,3-epithiopropyl methacrylate with ethylene dimethacrylate and of their derivatives modified with amines were investigated by means of gas chromatography and by the sorption of sulphur and carbon dioxides. The relative retention volumes and the changes in the free energy of adsorption of various compounds depend on the extent of the specific surface area of copolymers and on the content of functional groups. A study of the sorption of different compounds revealed that with increasing specific surface area the non-specific interactions increase while specific interactions decrease. This suggests that the accessibility of functional groups decreases with increasing extent of cross-linking of the sorbent.
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