Inverse gas chromatography (IGC) has become the most easily accessible and widely used method for characterization of solid materials. The changes in surface properties of a series of poly(dimethacrylates) : poly(butane-1,4-diol dimethacrylate) (PBDM), poly(pentane 1,5-diol dimethacrylate) (PPDM), poly(2,2＇ thiobisethanol dimethacrylate) (PTEDM) and poly(2,2＇-oxybisethanol dimethacrylate) (POEDM) were monitored for a long annealing time under helium atmosphere at 80 degrees C. The surface properties were quantified by the dispersive component of surface free energy, as well as by K-D and K-A parameters which reflect the ability of the surface to act as an electron donor and electron acceptor, respectively.