Spectral Interpretation of Relaxation Processes of Polymer Fiber Materials

The distribution of relaxation times in polymeric fibrous materials was studied on the basis of a mathematical model of the relaxation process. The relaxation times characterize the times of transition of the “relaxing” particles of the polymer macromolecules from one stable energy state to another....

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Bibliographic Details
Published inFibre chemistry Vol. 53; no. 2; pp. 100 - 105
Main Authors Kiselev, S. V., Pereborova, N. V., Makarov, A. G.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.07.2021
Springer
Springer Nature B.V
Subjects
Analysis
Chemistry
Chemistry and Materials Science
Fibers
Macromolecules
Organic Chemistry
Polymer industry
Polymer Sciences
Polymers
Rheological properties
Rheology
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Summary:The distribution of relaxation times in polymeric fibrous materials was studied on the basis of a mathematical model of the relaxation process. The relaxation times characterize the times of transition of the “relaxing” particles of the polymer macromolecules from one stable energy state to another. The character of such transitions is due both to the rheology of the polymeric material and to the magnitude of the applied deformation or load. It can be explained, on the one hand, by conformational energy transitions within the macromolecules of the material when their shape changes during rearrangement and, on the other, by shifts of the macromolecules in relation to each other or by other changes caused by energy changes.
ISSN:0015-0541
1573-8493
DOI:10.1007/s10692-021-10247-5