Аннотация:The dissipative alfa-relaxation process in PVA films and in the supramolecular composite structure formed during the formation of ordered regions in the PVA- J2-kJ systemis studied by a comparative analysis of internal friction spectra. It is shown that the structural changes in the samples of polyvinyl alcohol that occur with introduction of iodine increases the relaxation microuniformity of the entire system in the temperature range of the alfa-relaxation processes.