Abstract
The thermal characteristics of ten kinds of para-aramid, meta-aramid, polyoxadiazole, and polyimide fibres were investigated by dynamic thermogravimetric analysis, differential scanning calorimetry, and thermomechanical analysis. It was shown that thermooxidative degradation of these fibres begins at 400–450° C and is intensified at higher temperatures. These fibres are characterized by dimensional stability up to the temperature of onset of thermooxidative processes (up to 400–450°C) except for meta-aramid fibres, which exhibit approximately 5% shrinkage at high temperatures. With respect to thermal stability, the fibres are in the following order: polyimide > heterocyclic para-aramid and polyoxadiazole > carbocyclic para-aramid > meta-aramid.
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Translated from Khimicheskie Volokna, No. 5, pp. 27–31, September–October, 2005.
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Perepelkin, K.E., Pakshver, E.A., Andreeva, I.V. et al. Thermal Characteristics of High-Strength and Thermostable Aromatic Fibres. Fibre Chem 37, 346–351 (2005). https://doi.org/10.1007/s10692-006-0006-3
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DOI: https://doi.org/10.1007/s10692-006-0006-3