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    • 3. 发明授权
    • Method for producing polyester-based combined filament yarn
    • 生产涤纶复合长丝纱的方法
    • US06723265B1
    • 2004-04-20
    • US09889454
    • 2001-07-17
    • Hiroyuki OsakaSatoshi NagamuneKenji Iwashita
    • Hiroyuki OsakaSatoshi NagamuneKenji Iwashita
    • D01D5088
    • D01D5/082D01F6/62D02G1/0206D02G1/18
    • A polymer of a kind different from a polyester in an amount within the range of 0.3 to 5.0% by weight based on the polyester is added to the polyester, and the resulting composition is melt-extruded from the same pack. The extruded filament group including polyester multi-filaments is cooled once to the glass transition temperature or below, and the filament group is subsequently divided into two groups. One of the filament groups in an opened state is subjected to non-contact heat treatment at an atmospheric temperature of 120° C. or above; however, the other filament group is kept in a state without being subjected to the heat treatment. The respective filament groups are then simultaneously taken off at a speed of 2500 m/min or above and subjected to doubling and mixing of the filaments.
    • 在聚酯中加入与聚酯不同的聚合物,其量为0.3-5.0重量%,并将所得组合物从同一包装熔体挤出。 将包含聚酯多丝的挤出长丝组冷却至玻璃化转变温度以下,然后将丝束分成两组。 处于打开状态的丝线组之一在120℃或更高的大气温度下进行非接触热处理; 然而,另一个长丝组保持在不经受热处理的状态。 然后,以2500m /分钟以上的速度同时取出各个长丝组,并进行长丝加倍混合。
    • 9. 发明授权
    • Method for producing polyester blended yarn
    • 生产聚酯混纺纱线的方法
    • US06887411B2
    • 2005-05-03
    • US10204535
    • 2001-12-11
    • Hiroyuki OsakaHideki BeppuKenji Iwashita
    • Hiroyuki OsakaHideki BeppuKenji Iwashita
    • D01D5/08D01F6/62D02G1/02D02J1/08D02G3/02
    • D02G1/0206D01D5/082D01F6/62D02J1/08
    • A polyester blended yarn giving a woven or knitted fabric exhibiting a swollen touch and a high grade texture is stably obtained by melt-spinning a polyester including A including a substrate polymer including a polyester and 0.5 to 5.0 percent by weight of a polymer P, and the substrate polymer from an identical spinneret or different spinnerets to obtain the filament group A including the polyester composition A and the filament group B including the substrate polymer, blowing cooling air on the filament groups B and A at a speed of 0.20 to 0.80 m/sec and at a speed of not less than 1.1 times said speed, respectively, to once separately cool and solidify the filament groups B and A, doubling the cooled filament groups, and then taking off the obtained doubled yarn at a speed of not less than 2,500 m/min.
    • 通过熔融纺丝含有包含聚酯的基材聚合物和包含聚合物P的0.5-5.0重量%的A的聚酯,可以稳定地得到赋予织物或针织物的膨胀接触和高品位织构的聚酯混纺纱线,以及 从相同的喷丝头或不同的喷丝头获得基材聚合物,得到包含聚酯组合物A和包含基材聚合物的长丝B组的长丝基团A,以丝束组B和A以0.20-0.80m / 秒,以不低于所述速度1.1倍的速度分别冷却和固化丝束组B和A,将冷却的长丝组加倍,然后以不小于 2500米/分钟。