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    ULTRAFINE POLYAMIDE FIBER, AND MELT-SPINNING METHOD AND DEVICE THEREFOR
    1.
    发明公开
    ULTRAFINE POLYAMIDE FIBER, AND MELT-SPINNING METHOD AND DEVICE THEREFOR 有权
    POLYAMIDGARN ENTHALTEND ULTRAFEINE FILAMENTE SOWIE SCHMELZSPINNVERFAHREN UND -VORRICHTUNGDAFÜR

    公开(公告)号：EP2647746A1

    公开(公告)日：2013-10-09

    申请号：EP11844483.5

    申请日：2011-11-21

    申请人： Toray Industries, Inc.

    发明人： KONO, Takeaki ,  KOBAYASHI, Yasuki ,  HANAOKA, Jun

    IPC分类号： D01F6/60 ,  D01D5/092 ,  D01D5/096

    CPC分类号： D01F6/60 ,  D01D5/092 ,  D01D5/096 ,  Y10T428/2913

    摘要： This ultrafine polyamide fiber is a polyamide fiber having a single-filament fineness of 0.10-0.50 dtex, in which the average number of fluffs per 12,000 m of the length of the filaments is 1.0 or less. The melt-spinning method of the invention for producing the ultrafine polyamide fiber comprises: cooling melt-spun filaments discharged from a spinneret having orifices annularly disposed in the peripheral part of the spinneret, using a cooler (3) which is located under the center of the spinneret and which blows cooling air against the melt-spun filaments ejected from the orifices, from inside or outside the melt-spun filaments to cool the melt-spun filaments; oiling the filaments using an annular oiling device (4) that has a disk-shaped guide part which is located vertically under the cooler (3) and in which single filaments come into contact with the periphery of the disk and that has an annular slit for oil ejection which has been formed right over the guide part along the periphery of the guide; and then collecting the filaments and simultaneously performing second-stage oiling, by means of a collecting guide type oiling device (5).

    摘要翻译： 该超细聚酰胺纤维是单丝细度为0.10〜0.50dtex的聚酰胺纤维，其中长丝的每12000m的绒毛的平均数为1.0以下。 用于制造超细聚酰胺纤维的本发明的熔融纺丝方法包括：使用位于喷丝板周边部分的环形布置的喷丝头的喷丝头冷却熔融纺丝长丝，使用位于喷丝板周围的中心的冷却器（3） 该喷丝头将冷却空气从熔喷纤丝的内部或外部从喷孔吹出的熔纺丝细丝吹出，以冷却熔纺丝; 使用具有圆盘形导向部分的环形加油装置（4）来浇注长丝，所述盘形引导部分位于冷却器（3）的垂直下方，并且单丝与盘的周边接触，并且其具有环形狭缝 沿着引导件的周边在引导部分上形成的油喷射; 然后通过收集导向式上油装置（5）收集细丝并同时进行第二阶段上油。

    ARTIFICIAL LEATHER EXCELLENT IN EXPANDABILITY AND METHOD FOR PRODUCTION THEREOF
    4.
    发明公开
    ARTIFICIAL LEATHER EXCELLENT IN EXPANDABILITY AND METHOD FOR PRODUCTION THEREOF 有权
    KUNSTLEDER MITAUSGEPRÄGTEREXPANDIERFÄHIGKEITUND VERFAHREN ZU DESSEN HERSTELLUNG

    公开(公告)号：EP1437440A1

    公开(公告)日：2004-07-14

    申请号：EP02765546.3

    申请日：2002-09-13

    申请人： TORAY INDUSTRIES, INC.

    发明人： HANAOKA, Jun ,  IIJIMA, Hiromichi ,  IKEYAMA, Masami ,  WATANABE, Koji

    IPC分类号： D06N3/00

    CPC分类号： B32B27/12 ,  B29C61/02 ,  B32B5/024 ,  B32B5/026 ,  B32B7/06 ,  B32B7/12 ,  B32B27/34 ,  B32B27/36 ,  B32B37/144 ,  B32B2262/0261 ,  B32B2262/0276 ,  B32B2262/0284 ,  B32B2305/20 ,  B32B2307/51 ,  B32B2307/736 ,  D06N3/0004 ,  D06N3/0013 ,  D06N3/0031

    摘要： The present invention relates to artificial leather composed of fiber entangled structure and elastomer, wherein it has excellent elasticity with the longitudinal elongation of 15% or more and elastic recovery ratio 80% or more.
    The artificial leather is manufactured by the steps of: integrating a fiber web and a shrinkable sheet; applying elastomer to the integrated sheet; subjecting the resulting sheet to a shrinking treatment, and then removing the shrinkable sheet.
    According to the present invention, there is provided a method of manufacturing artificial leather excellent in elasticity, particularly, in longitudinal elasticity which has not been achieved by a conventional artificial leather, without deterioration of surface appearance thereof.

    摘要翻译： 人造革包含含有超细纤维和聚合物弹性材料的纤维缠结组分。 超细纤维具有0.9或更小dtex的单纤维尺寸。 人造革的纵向伸长率为15％以上，膨胀恢复率为80％以上。 在纤维缠结部件的至少一个表面上形成聚合物层。 还包括用于制造人造皮革的独立权利要求，其涉及收缩在长度方向上收缩至10％或更多的可收缩片材，附着在人造革的至少一面上，随后除去可收缩的片材。