Abstract
The effect of montmorillonite on the structure and properties of nonwoven microfibrous materials based on polyamide-6 and prepared by electrospinning of the polymer melt was studied. Addition of 3% montmorillonite into the melt increases its viscosity and electrical conductivity, with the mean diameter of the formed fibers increasing from 8 to 12 μm. As shown by X-ray diffraction, IR spectroscopy, and differential scanning calorimetry, pellets of the pristine polyamide are characterized by prevalence of crystals of the stable α-form, whereas in the composites and nonwoven materials the metastable γ-form prevails. Addition of montmorillonite only slightly influences the contact angles, and the resulting materials exhibit nearly superhydrophobic properties.
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Original Russian Text © S.N. Malakhov, A.V. Bakirov, P.V. Dmitryakov, S.N. Chvalun, 2016, published in Zhurnal Prikladnoi Khimii, 2016, Vol. 89, No. 1, pp. 140−148.
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Malakhov, S.N., Bakirov, A.V., Dmitryakov, P.V. et al. Nanocomposite nonwoven materials based on polyamide-6 and montmorillonite, prepared by electrospinning of the polymer melt. Russ J Appl Chem 89, 165–172 (2016). https://doi.org/10.1134/S1070427216010262
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DOI: https://doi.org/10.1134/S1070427216010262