Conclusions
By x-ray analysis, we have confirmed the previously expressed hypothesis of a forced deformation of SÉVA on flow of an SÉVA—SPA mixture as a result of specific interaction of the components at the interface: the degree of orientation of the SÉVA macromolecules in the microfibres is higher than in a monofilament from the starting polymer.
It has been shown that ultrathin SÉVA fibres are characterized by a porosity, caused by micro- and macro-hollows, which causes a decrease in their strength as compared with the strength of ordinary SÉVA fibres.
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Kiev Technological Institute for Light Industry. Translated from Khimicheskie Volokna, No. 2, pp. 39–41, March–April, 1992.
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Rezanova, N.M., Tsebrenko, M.V. & Khalfin, R.L. Structural features and properties of fibres based on mixtures of an ethylene-vinylacetate copolymer with a copolyamide. Fibre Chem 24, 134–137 (1993). https://doi.org/10.1007/BF00555032
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DOI: https://doi.org/10.1007/BF00555032