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1. 发明授权

US4447489A Filament yarns of multicomponent fibers and utilization therefor in textile fabrics 失效
标题翻译：多组分纤维的长丝纱线及其在纺织织物中的应用
公开(公告)号：US4447489A
公开(公告)日：1984-05-08
申请号：US304907
申请日：1981-09-23
申请人： Heinz Linhart , Reiner Modtler , Eberhard Kratzsch
发明人： Heinz Linhart , Reiner Modtler , Eberhard Kratzsch
IPC分类号： D04B1/20 , D01D5/36 , D01F8/04 , D02G1/02 , D02G3/24 , D03D15/00 , D03D3/00
CPC分类号： D02G1/0286 , D01D5/36 , Y10T428/2931 , Y10T442/3163
摘要： Filament yarns composed of multicomponent fibers of the matrix/segment type are produced and processed into textile fabrics by false-twist texturing the multicomponent fibres made up of segments of varying deniers to cause softening the matrix to bond the filaments together over short, medium or longer sections of the yarn. After conversion of the yarns into fabrics, the fabrics are subjected to a shrinking treatment. The fabrics so treated have a reduced tendency to crease or wrinkle, better crease recovery and better dyeing properties. The denier of the lower denier segments should be finer than 0.6 dtex and the denier of the high denier segments should be at least 1 dtex; the weight ratio of low to high denier segments in the yarn ranges from about 25:75 to about 75:25. The matrix is preferably made of polyamide 6 while the segments are polyethylene terephthalate. The cross-sectional shapes of the fibers may e.g. resemble a toothwheel with fine peripheral segments and a coarser core, combinations of three-toothed wheels with 12 or 6 peripheral teeth or similar combinations of orange-shaped cross-sections such as 3 and 6 "slices".
摘要翻译：由基质/片段类型的多组分纤维组成的丝线由制造并加工成纺织织物，通过假捻加工构成由不同旦数的片段组成的多组分纤维，使基质软化，将短丝，中等或更长的长丝结合在一起纱线部分。将纱线转化成织物后，对织物进行收缩处理。如此处理的织物具有降低的折痕或皱纹的趋势，更好的折痕恢复和更好的染色性能。下旦数段的旦数应小于0.6dtex，高旦数段的旦数应至少为1分特; 纱线中的低至高旦数段的重量比为约25:75至约75:25。该基质优选由聚酰胺6制成，而该段为聚对苯二甲酸乙二醇酯。纤维的横截面形状可以是例如。类似于具有细周边段和较粗核心的齿轮，具有12或6个周边齿的三齿轮的组合或类似于橙色形横截面的组合，例如3和6“切片”。

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