INFLUENCE OF NANODISPERSE METAL FILLERS ON THE VISCOELASTIC PROPERTIES AND PROCESSES OF MECHANICAL RELAXATION OF POLYMER SYSTEMS

Kolupaev B.B. та Kolupaev B.S. та Levchuk V.V. та Maksimtsev Y.R. та Sidletskii V.A. (2017) INFLUENCE OF NANODISPERSE METAL FILLERS ON THE VISCOELASTIC PROPERTIES AND PROCESSES OF MECHANICAL RELAXATION OF POLYMER SYSTEMS. Mechanics of Composite Materials, 2017 (№ 2): Vol. 53. с. 203-210.

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Анотація

The results of research into the viscoelastic properties and processes of mechanical relaxation of polyvinylchloride (PVC) containing Cu nanoparticles obtained by means of electroerosion crushing and electrohydraulic destruction of agglomerates of disperse Cu in the presence of an ultrasonic field are presented. It is shown that, in the case of longitudinal shear deformation at a frequency of 0.4 × 106 s–1 over a wide range of temperatures and content of ingredients, viscoelastic phenomena depending on structural changes in the PVC system occur. An analysis of quantitative results of the elastic and viscoelastic deformation of a body is carried out taking into account the energy and entropy components of interaction of the polymer and filler at their interface.

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