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    • 60. 发明授权
    • Full dull polyamide 6 yarn, and a process of preparing for the same
    • 完全无光的聚酰胺6纱线及其制备方法
    • US07736563B2
    • 2010-06-15
    • US11556962
    • 2006-11-06
    • Jae-Young KimYoung-Tae Park
    • Jae-Young KimYoung-Tae Park
    • D01F6/60C08F2/16C08K5/42C08K3/22
    • D01F1/04D01F6/60Y10T428/2913Y10T428/2927Y10T428/2969
    • The present invention relates to a full dull polyamide 6 yarn and a process for preparing the same. The yarn of this invention contains 1.5 to 2.5% by weight of titanium dioxide relative to the weight of the yarn, has 35 to 95 titanium dioxide particles having a major axial length of greater than 5 μm being contained in 50 mg of the yarn, and contains 0.1 to 0.5% by weight of phosphate salt (wetting agent) relative to the weight of titanium dioxide. In the process of this invention, 0.1 to 0.5% by weight of phosphate salt relative to the weight of titanium dioxide is added as a wetting agent, carprolactam is applied along with water upon concentration correction, and naphthalene sulfonate based salt is applied along with titanium dioxide slurry during the process of polyamide 6 polymerization. The present invention improves the full dull effect and drape property of the yarn since it contains a great quantity of titanium dioxide having a proper diameter in the yarn without degrading the yarn physical properties and operationability.
    • 本发明涉及完全无光的聚酰胺6纱线及其制备方法。 本发明的纱线相对于纱线重量含有1.5〜2.5重量%的二氧化钛,在50毫克纱线中含有35〜95个主轴向长度大于5μm的二氧化钛粒子, 相对于二氧化钛的重量含有0.1〜0.5重量%的磷酸盐(润湿剂)。 在本发明的方法中,加入相对于二氧化钛重量的0.1至0.5重量%的磷酸盐作为润湿剂,在浓缩校正时将水与水一起使用,并将萘磺酸盐与钛一起施用 在聚酰胺6聚合过程中的二氧化硅浆料。 本发明改善了纱线的完全无光泽效果和悬垂性,因为它含有大量在纱线中具有适当直径的二氧化钛,而不降低纱线的物理性能和可操作性。