Abstract
The effect of low molecular additives on the structure and properties of polyamide-6-based nonwoven materials obtained via electrospinning from a melt is studied. The introduction of up to 10% salts of higher fatty acids into the polymer melt leads to a decrease in its viscosity and to an increase in its electrical conductivity, thereby making it possible to produce nonwoven materials with an average fiber diameter of <1.5 µm. With the use of DSC, IR spectroscopy, and X-ray diffraction, it is shown that, in nonwoven materials based on polyamide-6, the metastable γ form of crystals prevails, while, in the native polymer, the stable a form predominates. The resulting materials demonstrate high filtration characteristics, and their surface properties are close to superhydrophobic.
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Original Russian Text © S.N. Malakhov, S.I. Belousov, M.A. Shcherbina, M.Yu. Meshchankina, S.N. Chvalun, A.D. Shepelev, 2016, published in Vysokomolekulyarnye Soedineniya. Ser. A, 2016, Vol. 58, No. 2, pp. 169–178.
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Malakhov, S.N., Belousov, S.I., Shcherbina, M.A. et al. Effect of low molecular additives on the electrospinning of nonwoven materials from a polyamide-6 melt. Polym. Sci. Ser. A 58, 236–245 (2016). https://doi.org/10.1134/S0965545X16020152
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DOI: https://doi.org/10.1134/S0965545X16020152