The application of inverse gas chromatography (i.g.c.) for the examination of surface properties of solid materials is discussed. A group of analogous poly(dimethacrylate)s differing only by the presence and type of the heteroatom in the ester group and two reference polymers were characterized by means of this method. In this paper the dispersive properties expressed by gamma(s)(d) and C’P-DS determined at various temperatures (50-70 degrees C) are presented and discussed. It was found that chemically similar polymers may be differentiated in terms of their dispersive parameters. The values of gamma(s)(d) and C’P-DS depend on the temperature of the i.g.c. measurement, which is determined by the relative temperature gradient. During heat treatment at 80 degrees C and 160 degrees C, the surfaces of the polymers undergo significant modification depending on the annealing atmosphere (helium or air). This modification is revealed by changes in the dispersive parameters and variations in the relative temperature gradients. The relationship between gamma(s)(d) and C’P-DS is linear, but the plots are unique for each polymer.