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    POLY(VINYL ALCOHOL)-BASED FIBERS HAVING EXCELLENT THERMAL AGING RESISTANCE, AND METHOD FOR PRODUCING SAME
    2.
    发明公开
    POLY(VINYL ALCOHOL)-BASED FIBERS HAVING EXCELLENT THERMAL AGING RESISTANCE, AND METHOD FOR PRODUCING SAME 审中-公开
    聚乙烯醇（PVA）具有优良的热稳定性的时间和方法及其制造基纤维

    公开(公告)号：EP2980307A1

    公开(公告)日：2016-02-03

    申请号：EP14774183.9

    申请日：2014-03-06

    申请人： Kuraray Co., Ltd.

    发明人： YAMAMOTO, Ryo ,  KOBAYASHI, Toshiaki ,  HAYASHI, Hideo

    IPC分类号： D06M11/26 ,  D01F6/14 ,  D06M11/13 ,  D06M11/155 ,  D06M11/28 ,  D06M11/80 ,  D06M101/24

    CPC分类号： C08K3/38 ,  C08J5/046 ,  C08K3/16 ,  D01F1/10 ,  D01F6/14 ,  D06M11/11 ,  D06M11/82 ,  D06M2101/24

    摘要： Polyvinyl alcohol fibers that exhibit excellent heat aging resistance when used for a long time under high temperature conditions are provided. The polyvinyl alcohol fibers contain: an antioxidant composed of inorganic or organic water soluble salt of at least one metal selected from the group consisting of manganese, copper, iron, nickel, cobalt, and zinc; and a boron compound that acts as a chelating agent for the antioxidant, wherein the content of the antioxidant in the fiber is 0.05 % by mass or more, and a proportion (mass ratio in %) of the boron compound to the antioxidant is 0.5% or more.

    摘要翻译： 聚乙烯醇纤维确实具有优异的耐热老化性。当使用了很长的时间下被设置在高温条件。 聚乙烯醇纤维包含：抗氧化剂组成选自锰，铜，铁，镍，钴和锌中选择的至少一种金属的无机或有机水溶性盐; 和硼化合物没有充当螯合剂，抗氧化剂，worin在纤维中的抗氧化剂的含量为0.05质量％以上，并且硼酸化合物与抗氧化剂的比例（以％计的质量比）为0.5％ 以上。