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    • 17. 发明专利
    • Polyester staple fiber
    • POLYESTER STAPLE FIBER
    • JP2012214950A
    • 2012-11-08
    • JP2012029290
    • 2012-02-14
    • Toray Ind Inc東レ株式会社
    • KAIHO KEIJIYOKOYAMA MASAOKAWABATA HAYAHITO
    • D01F6/92D01F6/62D02G1/00D02G3/02
    • PROBLEM TO BE SOLVED: To provide a polyester staple fiber that has a soft feeling, excellent process passableness in undergoing higher-order processing, and good productivity such as excellent spinnability during manufacture, passableness in a process such as drawing, and handleability of undrawn yarn which is an intermediate product with less productivity variation.SOLUTION: The polyester staple fiber is a polyester in which polytrimethylene terephthalate and polyethylene terephthalate are melted and mixed and the polyethylene terephthalate is contained in an amount of 25-40 mass% with respect to whole staple fibers.
    • 要解决的问题:提供一种柔软的聚酯短纤维,在高阶加工中具有优异的加工性能,以及良好的生产率,例如在制造过程中具有优异的可纺性,在拉丝过程中的可接受性和可操作性 的未拉伸纱线,其是具有较小生产率变化的中间产品。 聚酯短纤维是将聚对苯二甲酸丙二醇酯和聚对苯二甲酸乙二醇酯熔融混合并且聚对苯二甲酸乙二醇酯的含量相对于全短纤维为25〜40质量%的聚酯。 版权所有(C)2013,JPO&INPIT