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    • 3. 发明申请
    • PROCESS FOR PRODUCING POLYESTER FIBER
    • 生产聚酯纤维的方法
    • US20140194021A1
    • 2014-07-10
    • US14239061
    • 2012-08-16
    • Young-Jo KimByoung-Wook AnSang-Mok LeeYoung-Soo LeeGi-Woong Kim
    • Young-Jo KimByoung-Wook AnSang-Mok LeeYoung-Soo LeeGi-Woong Kim
    • B60R21/231D01D5/098
    • B60R21/231C08G63/183C08G63/80D01D5/098D01F6/84D02J1/22D03D1/02D03D15/00D10B2331/04Y10T442/30
    • The present invention relates to polyester fiber that can be used as fabric for an airbag. In particular, the present invention relates to a process for producing polyester fiber comprising conducting an esterification reaction of a dicarboxylic acid composition and glycol in a predetermined ratio; conducting a polycondensation reaction of the oligomer produced by the esterification reaction; conducting a solid state polymerization of the polymer produced by the polycondensation; and melt spinning and drawing the polyester chip produced by the solid state polymerization, fiber for an airbag produced thereby, and fabric for an airbag comprising the same.The polyester fiber prepared according to the present invention has low modulus, high strength, and high contraction. And, the polyester fiber of the present invention may significantly lower stiffness and achieve excellent mechanical properties, thus providing excellent packing property, shape stability and gas barrier effect when used as fabric for an airbag.
    • 本发明涉及可用作气囊织物的聚酯纤维。 特别地,本发明涉及一种生产聚酯纤维的方法,包括以预定比例进行二羧酸组合物和二醇的酯化反应; 进行由酯化反应生成的低聚物的缩聚反应; 进行通过缩聚反应生成的聚合物的固态聚合; 熔融纺丝和拉伸通过固态聚合制造的聚酯切片,由此生产的气囊的纤维,以及包含该气囊的织物的织物。 根据本发明制备的聚酯纤维具有低模量,高强度和高收缩。 并且,本发明的聚酯纤维可以显着降低刚度并获得优异的机械性能,因此当用作气囊的织物时,提供优异的包装性能,形状稳定性和阻气效果。