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    • 60. 发明申请
    • A METHOD OF PRODUCING NANOFIBRES AND SPINNING ELEMENTS FOR IMPLEMENTING THIS METHOD
    • 生产用于实施该方法的纳米纤维和纺丝元件的方法
    • WO2010118708A3
    • 2013-05-10
    • PCT/CZ2010000042
    • 2010-04-08
    • SPUR A SKIMMER DUSANPETRAS DAVIDTOMASEK MIROSLAVVINCENT IVOLOVECKA LENKADUDAK TOMASDUDAK ZDENEK
    • KIMMER DUSANPETRAS DAVIDTOMASEK MIROSLAVVINCENT IVOLOVECKA LENKADUDAK TOMASDUDAK ZDENEK
    • D01D5/00
    • D01D5/0069
    • The invention relates to a method of producing nanofibres from polymer solutions by electrospinning process in which spinning elements from non-metallic, electrically non- conductive materials having a ragged surface are used. Advantageously, during the spinning process, the spinning elements sink gradually in the lengthwise direction into the spinning solution, come gradually out of the solution and enter gradually an electric field. During the electrospinning process, the shape of the layer of the spun polymer solution adhered to the spinning elements is modified locally and formation of Taylor cones necessary for the proper process of the nanofibres formation is stimulated. Further, the invention concerns the spinning elements for carrying out the above method, the said spinning elements being manufactured from non-metallic, electrically non-conductive materials having a rugged surface and positioned in the carrying elements so that they are oriented in the direction oblique to the surface of the spinning solution.
    • 本发明涉及一种通过静电纺丝工艺从聚合物溶液中制备纳米纤维的方法,其中使用具有不规则表面的非金属非导电材料的纺丝元件。 有利地,在纺丝过程中,纺丝元件沿长度方向逐渐沉降到纺丝溶液中,逐渐从溶液中流出并逐渐进入电场。 在静电纺丝过程中,附着在纺丝元件上的纺丝聚合物溶液层的形状被局部改变,刺激了对纳米纤维形成的适当过程所需的泰勒锥的形成。 此外,本发明涉及用于实施上述方法的纺丝元件,所述纺丝元件由具有凹凸表面并位于承载元件中的非金属非导电材料制成,使得它们沿倾斜方向 到纺丝溶液的表面。