Regularities of Nonisothermal Crystallization in the Formation of a Plane Viscoelastic Film

A study is made of the processes of heat transfer and nonisothermal crystallization during the formation of a plane viscoelastic polymer film with the upper-convected Maxwell model, in which the thermophysical properties, viscosity, and relaxation time of the polymer depend on its temperature and th...

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Veröffentlicht in:	Journal of engineering physics and thermophysics 2021-09, Vol.94 (5), p.1331-1335
1. Verfasser:	Baranov, A. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Classical Mechanics Complex Systems Crystallization Degree of crystallinity Engineering Engineering Thermodynamics Finite difference method Heat and Mass Transfer Industrial Chemistry/Chemical Engineering Mathematical models Polymer films Polymers Relaxation time Thermodynamics Thermophysical models Thermophysical properties Viscoelasticity
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Beschreibung
Zusammenfassung:	A study is made of the processes of heat transfer and nonisothermal crystallization during the formation of a plane viscoelastic polymer film with the upper-convected Maxwell model, in which the thermophysical properties, viscosity, and relaxation time of the polymer depend on its temperature and the degree of crystallinity. The mathematical model is supplemented with the equation of nonoisthermal-crystallization kinetics. The problem is solved by the finite difference method.
ISSN:	1062-0125 1573-871X
DOI:	10.1007/s10891-021-02414-6