Using a twin-screw microextruder, fibers based on polylactide and carbon nanofibers (CNFs) were obtained with 4- and 6-fold orientational stretching. The electroconductive and deformation-strength properties of composite fibers were investigated depending on the concentration of the filler and orientational stretch ratio of the polymer. It is shown that with the introduction of low concentrations of CNF (~1 wt%) and with the use of additional high-temperature orientational stretching of the polymer by a factor of 4, it is possible to create composite polylactide fibers with knot-pull tensile strength increased by 20% and with electro-scattering properties.

中文翻译：

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基于聚丙交酯和碳纳米纤维的纤维的导电和机械性能

使用双螺杆微挤出机，以4倍和6倍定向拉伸获得了基于聚丙交酯和碳纳米纤维（CNF）的纤维。根据填料的浓度和聚合物的定向拉伸比，研究了复合纤维的导电性和变形强度性能。结果表明，通过引入低浓度的CNF（〜1 wt％）并使用额外的4倍高温定向拉伸聚合物，可以制造出具有结拉力的复合聚丙交酯纤维。抗拉强度提高了20％，并具有电散射特性。