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    • 6. 发明申请
    • Polyester conjugate fiber pirn and method for producing same
    • 聚酯复合纤维及其制造方法
    • US20030108740A1
    • 2003-06-12
    • US10206960
    • 2002-07-30
    • Tadashi KoyanagiTakao Abe
    • D02G003/00
    • D01F8/14B65H55/00B65H2701/313Y10T428/2913Y10T428/2929Y10T428/2969
    • The present invention provides a polyester-based conjugate fiber pirn that is formed by winding, in a pirn shape, a conjugate fiber wherein the fiber is formed from a single filament prepared by combining two types of polyester components in a side-by-side manner or in an eccentric sheath-core manner, and at least one polyester component forming the single filament is a poly(trimethylene terephthalate) containing 90% by mole or more of trimethylene terephthalate repeating units, the winding amount of the conjugate fiber pirn being 1 kg or more, the winding angle in a taper portion thereof being from 15 to 21null, the winding hardness in the cylinder portion thereof being from 75 to 92, and the starting temperature of thermal shrinkage stress manifestation of the conjugate fiber being from 50 to 80null C.
    • 本发明提供一种聚酯类复合纤维网,其是通过以扁平形状卷绕复合纤维而形成的纤维,其中纤维由并列方式组合两种类型的聚酯组分制备的单丝形成 或以偏心的皮芯方式,并且形成单丝的至少一种聚酯组分是包含90摩尔%以上的三亚甲基对苯二甲酸酯重复单元的聚(对苯二甲酸丙二醇酯),复合纤维的卷绕量为1kg 以上,锥形部的卷绕角度为15〜21度,筒部的卷绕硬度为75〜92,复合纤维的热收缩应力的起始温度为50〜80 C。