We have studied the dependence of the mechanical properties of processed needlepunched materials, obtained from polyester and bicomponent fiber blends of different compositions, on variation in the porosity. We propose a mechanism for failure of needlepunched materials on stretching and provide a rationale for a processing method for such materials. We present the factors determining the increase in strength, and propose an additional strength control factor associated with mobility of the fibers.
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This work was done with the financial support of the Russian Federation Ministry of Education and Science, State Task No. 11.1087.2014/K.
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Translated from Khimicheskie Volokna, Vol. 47, No. 2, pp. 53-57, March-April, 2015.
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Dedov, A.V., Nazarov, V.G. Processed Nonwoven Needlepunched Materials with Increased Strength. Fibre Chem 47, 121–125 (2015). https://doi.org/10.1007/s10692-015-9649-2
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DOI: https://doi.org/10.1007/s10692-015-9649-2