The Composite Models Application for Elastic Modulus of Poly(Ethylene Terephthalate)/Poly(Butylene Terephthalate) Blends Description

Abstract

ТЕХНИКО-ТЕХНОЛОГИЧЕСКИЕ ИННОВАЦИИ 4 6The Composite Models Application for Elastic Modulus of PET/PBT Blends Description Abstract. The quantitative interpretation of the extreme dependence of elastic modulus on the composition of poly(ethylene terephthalate)/poly(butylene terephthalate) blends has been proposed. At this, the authors apply the basics of the percolation theory and fractal analysis. It has been shown that the extreme increase in elastic modulus is due to the corresponding growth of shear strength of blends components during the autohesional bonding. It is noted that the micromechanical models do not give the adequate description of the indicated effect.