Thermodynamics of high-elastic deformation of filled polyvinylchloride☆

Abstract A study was made of the effect of a number of fillers of different types and surface on thermodynamics of high-elastic deformation of PVC. In their effect on thermodynamic stress components the fillers studied form two groups: 1-polar active filler influencing both energy and entropy stress components; 2-nonpolar filler which cause basically conformation changes in the polymer. In small amounts with slight deformation fillers of group 1 contribute to structure formation of PVC, with high concentrations the filler “inhibits” structure formation. Fillers of group 2 do not influence process of structure formation during deformation of PVC.