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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Bibliographic Details
Published in:Journal of engineering physics and thermophysics 2021-09, Vol.94 (5), p.1331-1335
Main Author: Baranov, A. V.
Format: Article
Language:English
Subjects:
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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Summary: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