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    • 4. 发明专利
    • Method for producing staple fiber
    • 生产贴纸的方法
    • JP2008095209A
    • 2008-04-24
    • JP2006274780
    • 2006-10-06
    • Japan Vilene Co Ltd日本バイリーン株式会社
    • MURATA SHUICHIAMAGASA TAKAAKI
    • D01G1/04D06H7/00D06M15/53
    • PROBLEM TO BE SOLVED: To provide a method for producing staple fibers which are excellent in dischargeability and dispersibility from a rotary blade type fiber bundle cutter.
      SOLUTION: The method for producing the staple fibers having steps of adding a mixture surfactant comprising a polyether ester type nonionic surfactant and an ether type nonionic activator in a mass ratio of 1:9-9:1 to a filament bundle having an average fiber diameter of ≤4 μm, and then cutting the mixture surfactant-added filament bundle with a rotary blade type fiber bundle cutter. The stable fibers can also be produced from a filament fiber containing one or more kinds of a polyolefin-based resin and/or a polyamide-based resin.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 解决的问题:提供一种生产由旋转叶片式纤维束切割机排出性和分散性优异的短纤维的方法。 解决方案:用于生产短纤维的方法,其特征在于将具有聚醚酯型非离子表面活性剂和醚型非离子活性剂的混合表面活性剂以1:9-9:1的质量比添加到具有 平均纤维直径≤4μm,然后用旋转刀片式纤维束切割机切割混合表面活性剂添加的长丝束。 稳定纤维也可以由含有一种或多种聚烯烃类树脂和/或聚酰胺类树脂的长丝纤维制造。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Method for producing extra-short fiber
    • 用于生产超短纤维的方法
    • JP2005126854A
    • 2005-05-19
    • JP2003364359
    • 2003-10-24
    • Teijin Fibers Ltd帝人ファイバー株式会社
    • YONEDA TAKURO
    • D01G1/04
    • PROBLEM TO BE SOLVED: To provide a method for easily mass-producing extra-short fibers ≤1.0 mm, especially shorter than 0.1 mm, in length from a fiber bundle formed by bundling groups of multifilaments in a condition of being arranged in parallel.
      SOLUTION: The method for producing the extra-short fibers comprises the following practice: A plurality of to-be-cut materials (1) comprising fiber bundles (1a) made by arranging parallel and bundling a number of groups of multifilaments encapsulated in an encapsulant (1b) that is solidified by cooling and gasified or liquefied by heating are prepared, a group of the to-be-cut materials (1) with a cut edge face (F) formed perpendicularly to the fiber length direction is fixed so that the cut edge face (F) is horizontal, the cut edge face (F) is flatly cut by at least one cutting blade (4), and the encapsulant (1b) is removed from the resultant flatly cut materials (1), thus obtaining the objective extra-short fibers with a fiber length of 0.005-1.0 mm.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决问题的方案:提供一种容易地大规模生产超短纤维的方法,该短纤维的长度从通过将多根丝束组合而形成的纤维束的长度设为 平行。 解决方案:用于制造短纤维的方法包括以下实践:多个待切割材料(1),其包含纤维束(1a),其通过平行并捆扎多个包封的复丝组 制备通过冷却而固化并通过加热气化或液化的密封剂(1b),一组具有垂直于纤维长度方向形成的切割边缘面(F)的被切割材料(1)被固定 切割边缘面(F)是水平的,切割边缘面(F)由至少一个切割刀片(4)平坦地切割,并且密封剂(1b)从所得到的扁平切割材料(1)中移除, 从而得到纤维长度为0.005-1.0mm的客观的短纤维。 版权所有(C)2005,JPO&NCIPI