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Thermoplastic Polyurethane Ultrafine Fiber Web Fabricated by Laser Electrospinning

机译：激光静电纺丝制备热塑性聚氨酯超细纤维网

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摘要

We have investigated the effect of the spinning conditions (the applied voltage, the laser power, the laser irradiation point, and the laser beam width) in laser-heated electrospinning, on the diameter of thermoplastic polyurethane (TPU) microfibers. The average diameter of electrospun TPU fibers decreased with decreasing applied voltage and increasing laser power. The variation in the diameters of the obtained fibers was reduced by using a narrower laser beam. A polyurethane microfiber with an average diameter of 2.4 ?m and a coefficient of variation of 8% was obtained using a 0.9-mm-wide laser beam. A narrower laser beam causes a steeper thinning profile across the fiber diameter and a steeper increase in the fiber temperature, which should stabilize the spinning line.
机译：我们已经研究了在激光加热的电纺丝中纺丝条件（施加电压，激光功率，激光照射点和激光束宽度）对热塑性聚氨酯（TPU）超细纤维直径的影响。电纺TPU纤维的平均直径随着施加电压的降低和激光功率的增加而减小。通过使用较窄的激光束，减小了所获得的纤维的直径的变化。使用0.9毫米宽的激光束获得平均直径为2.4μm且变异系数为8％的聚氨酯微纤维。较窄的激光束会导致纤维直径范围内的变细轮廓变陡以及纤维温度的陡峭上升，从而使纺丝线稳定。

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  • 来源
    《繊維学会誌》 |2010年第7期|p.168-173|共6页
  • 作者

    Midori Takasaki; Kohsuke Sugihara; Yutaka Ohkoshi; Takayuki Fujii; Hiroyasu Shimizu; Masaharu Saito;

  • 作者单位

    Satellite Venture Business Laboratory;

    Faculty of Textile Science of Technology, Shinshu University, 3-15-1, Tokida, Ueda, Nagano 386-8567, Japan;

    Faculty of Textile Science of Technology, Shinshu University, 3-15-1, Tokida, Ueda, Nagano 386-8567, Japan;

    KB SEIREN, LTD., 6-1-1, Shimokoubata-cho, Sabae, Fukui 916-0038, Japan;

    rnKB SEIREN, LTD., 6-1-1, Shimokoubata-cho, Sabae, Fukui 916-0038, Japan;

    rnKB SEIREN, LTD., 6-1-1, Shimokoubata-cho, Sabae, Fukui 916-0038, Japan;

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