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1. 发明公开

KR1020000016246A 폴리우레탄탄성사및그제조방법 失效
标题翻译：弹性聚氨酯纱线及其制造方法
公开(公告)号：KR1020000016246A
公开(公告)日：2000-03-25
申请号：KR1019980709818
申请日：1997-06-02
申请人： 가네보 가부시키가이샤
发明人： 야마카와유키오 , 나카이야스시 , 요시모토기요시 , 도쿠토미시게루 , 가와타데루요시
IPC分类号： D01F6/94
CPC分类号： D02G3/32 , D01F6/70 , D01F6/92 , D01F6/94 , Y10T428/2913 , Y10T428/2929 , Y10T428/2967 , Y10T428/2978
摘要： PURPOSE: An elastic polyurethane yarn is provided to obtain an excellent outer appearance even while manufacturing stockings, tights, and socks by using a covering yarn. CONSTITUTION: Elastic polyurethane yarn obtained mainly by melt-spinning, characterized in that the glossiness defined as (I/Io)x100 wherein I represents a reflection factor of light of the yarn surface, and Io a reflection factor of light of a reference white board is not higher than 70, and preferably elastic polyurethane yarn characterized in that a fiber surface has not less than 10 mountain-shaped projections of 0.2 ¯ 0.5 micrometer in height per 10 micrometers in axial length of the fiber. A method of manufacturing elastic polyurethane yarn by melt-spinning (A) crystalline polyester containing butylene terephthalate as a main component and (B) thermoplastic polyurethane, characterized in that, before a spinning operation has been started, the material (A) is melt-mixed with thermoplastic polyurethane containing (B-1) 150 ¯ 500 micro-mols/g of isocyanate group. Covering yarn using this elastic polyurethane yarn as a core. Even when stockings, tights and socks are manufactured by using this covering yarn, a shiny phenomenon, which constitutes a drawback of, especially, melt-spun urethane, does not occur, so that products having an excellent outer appearance can be obtained.
摘要翻译：目的：提供弹性聚氨酯纱线，即使在使用覆盖纱线制造袜子，袜子和袜子时也能获得优异的外观。构成：主要通过熔融纺丝获得的弹性聚氨酯纱线，其特征在于定义为（I / Io）×100的光泽度，其中I表示纱线表面的光的反射系数，以及参考白板的光的反射系数不高于70，优选弹性聚氨酯纱线，其特征在于，纤维表面具有不小于10个具有0.2毫米高度的10微米的高度，每10微米的纤维的轴向长度。通过熔融纺丝（A）含有对苯二甲酸丁二醇酯作为主要成分的结晶聚酯和（B）热塑性聚氨酯制造弹性聚氨酯纱线的方法，其特征在于，在纺丝操作开始之前，材料（A）与含有（B-1）150-500微摩尔/ g异氰酸酯基团的热塑性聚氨酯混合。使用这种弹性聚氨酯纱线作为核心覆盖纱线。即使通过使用该覆盖纱线制造袜子，紧身袜和袜子，也不会发生构成特别是熔喷氨基甲酸酯的缺点的光泽现象，从而可以获得具有优异外观的产品。

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