The effect of bulk density on the tensile strength and air permeability of a nonwoven needle-punched fabric based on polyester fibers with a linear density of 1.7 tex is investigated. The bulk density of the fabric was varied by processing in the clearance between a heated roller and a conveyor belt. A twofold increase in tensile strength was achieved with a relatively small decrease in air permeability.
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Translated from Khimicheskie Volokna, No. 6, pp. 33 – 35, November – December, 2019.
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Dedov, A.V., Kuznetsov, V.A. & Nazarov, V.G. Influence of Volume Density of Nonwoven Needle-Punched Fabrics on their Permeability and Mechanical Properties. Fibre Chem 51, 440–443 (2020). https://doi.org/10.1007/s10692-020-10129-2
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DOI: https://doi.org/10.1007/s10692-020-10129-2