Abstract
The water vapor sorption isotherms were measured for different types of high-strength fibres based on carbocyclic and heterocyclic para-aramids: Rusar (copolymers of amidobenzimidazole and p-phenylene terephthalamide), Twaron and Kevlar (poly-p-phenylene terephthalamide), and for comparison, capron (polycaproamide). The parameters of the thermal sorption equation and the thermodynamic characteristics of sorption of water vapor were calculated with previously obtained sorption data with the previously developed theoretical-probability model of sorption. A correlation was found between the integral heat of sorption in amorphous regions of para-aramid fibres and the specific cohesive energy.
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Translated from Khimicheskie Volokna, No. 5, pp. 50–53, September–October, 2007.
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Perepelkin, K.E., Grebennikov, S.F. & Lebedeva, N.P. Sorption of water vapors by high-strength para-aramid fibres. Fibre Chem 39, 420–423 (2007). https://doi.org/10.1007/s10692-007-0092-x
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DOI: https://doi.org/10.1007/s10692-007-0092-x