Investigation of degradation mechanisms of thermoplastic polyurethane by storage at long times in aviation kerosene TS-1 by gel permeation chromatography, optic and scanning electron microscopy, and FTIR spectroscopy

Ponomarenko S.A., Kurshev E.V., Lonskii S.L.
UDC
678.012:543.544.15:620.187.3
DOI
10.18577/2307-6046-2025-0-2-47-64
Article PDF (Russian) (1.63 MB)
How to cite
Ponomarenko S.A., Kurshev E.V., Lonskii S.L. Investigation of degradation mechanisms of thermoplastic polyurethane by storage at long times in aviation kerosene TS-1 by gel permeation chromatography, optic and scanning electron microscopy, and FTIR spectroscopy // Proceedings of VIAM. 2025. No. 2. DOI: 10.18577/2307-6046-2025-0-2-47-64. URL: https://test.viam.ru/en/journal/2025/2/4
Keywords
thermoplastic polyurethane, molecular weight, microstructural studies, microphase structure, aviation kerosene, degradation factors, long-time storage
Abstract

The article presents the results of the analysis of thermoplastic polyurethane samples in aviation kerosene TS-1 under various conditions. The results of the analysis of samples by gel permeation chromatography suggest the presence in the sample of components with unreacted functional groups that allow to reduce the impact of degradation factors under mild conditions. The study of the complex influence of more active factors using additional methods of analysis allowed us to better estimate the mechanism of material degradation and various characteristics of its decomposition zone.

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