Results from microstructural, spectral, and thermogravimetric analyses of two-component fibers of SVM-7.5 homopolymer and Rusar-5 copolymer were presented. IR spectra allowed the compositions of the homo- and copolymers to be identified and the energy of the H-bond between polyamide and benzimidazole groups of neighboring macromolecules to be estimated. Thermogravimetric analysis found that SVM-7.5 fiber was less thermally stable because its mass loss at 400°C was 16.79% whereas that of Rusar-5 fiber at the same temperature was 15.73%; however, the losses at temperatures up to 300°C were very insignificant, <5.8%.
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Translated from Khimicheskie Volokna, No. 2, pp. 16-19, March—April, 2015.
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Malysheva, G.V., Shablygin, M.V. & Guzeva, T.A. Method for Assessing Aramide Fiber Microstructure Features. Fibre Chem 47, 85–88 (2015). https://doi.org/10.1007/s10692-015-9642-9
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DOI: https://doi.org/10.1007/s10692-015-9642-9