Composite fiber having favorable post-treatment processibility and method for producing the same
    2.
    发明授权
    Composite fiber having favorable post-treatment processibility and method for producing the same 有权
    具有良好的后处理加工性的复合纤维及其制造方法

    公开(公告)号:US06555220B1

    公开(公告)日:2003-04-29

    申请号:US10060362

    申请日:2002-02-01

    IPC分类号: D01F600

    摘要: The present invention provides a polytrimethylene terephthalate composite fiber characterized in that the composite fiber is a plurality of single filament which comprises two kinds of polyester components laminated to each other in a side-by-side manner or an eccentric sheath-core manner, at least one polyester component is polytrimethylene terephthalate and the composite fiber satisfies the following conditions: the content of trimethylene terephthalate cyclic dimer in polytrimethylene terephthalate is 2.5 wt % or less, the fiber-fiber dynamic friction coefficient is from 0.2 to 0.4, the degree of intermingling is from 2 to 60 point/m and/or the number of twists is from 2 to 60 T/m and the fiber size fluctuation U% is 1.5% or less.

    摘要翻译: 本发明提供一种聚对苯二甲酸丙二醇酯复合纤维,其特征在于复合纤维是多个单丝,其包含两种聚酯组分,其中两种聚酯组分彼此并排地叠合或者以离心皮芯方式叠层 一种聚酯组分是聚对苯二甲酸丙二酯,复合纤维满​​足以下条件:聚对苯二甲酸丙二醇酯中对苯二甲酸环丙二酯的含量为2.5重量%以下,纤维动态摩擦系数为0.2〜0.4,混合度为 2〜60点/ m和/或捻数为2〜60T / m,纤维尺寸变动U%为1.5%以下。