Maxwellian relaxation and internal friction in the polyvinyl butyral-polyvinyl chloride system

B.B. Kolupaev; B.S. Kolupaev; V.V. Levchuk

doi:10.15330/pcss.25.2.263-268

Authors

B.B. Kolupaev Academician Stepan Demianchuk International University of Economics and Humanities, Rivne, Ukraine
B.S. Kolupaev Rivne State University of Humanities, Rivne, Ukraine
V.V. Levchuk Rivne State University of Humanities, Rivne, Ukraine

DOI:

https://doi.org/10.15330/pcss.25.2.263-268

Keywords:

polymer, viscoelasticity, viscosity, relaxation

Abstract

The Maxwellian relaxation and internal friction of a mixture of amorphous polymers: polyvinyl butyral (PVB) - polyvinyl chloride (PVC) are studied. It has been found that by changing the temperature (T) and content (j ) of the ingredients, it is possible to control the value of viscoelastic moduli, viscosity, damping force, and energy dissipation due to Maxwellian relaxation caused by the action of ultrasonic vibrations with a frequency (w ) of 0.4 MHz on the composite. The use of computational methods, models, and a phenomenological approach made it possible to differentiate the effects of relaxation and indicate the ways to optimally combine the desired properties of the components in the system.

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