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    FLAMEPROOF RAYON FIBER AND PROCESS FOR PRODUCTION THEREOF
    2.
    发明公开
    FLAMEPROOF RAYON FIBER AND PROCESS FOR PRODUCTION THEREOF 审中-公开
    火焰原子吸收光谱仪

    公开(公告)号：EP1918431A1

    公开(公告)日：2008-05-07

    申请号：EP06782855.8

    申请日：2006-08-22

    申请人： DAIWABO CO., LTD. ,  Daiwabo Rayon Co., Ltd.

    发明人： FUSHITANI, Shigeo c/o Daiwabo Rayon Co., Ltd. ,  NAKANO, Masaru Daiwabo Rayon Co., Ltd.

    IPC分类号： D01F2/10 ,  D06M11/44

    CPC分类号： D06M11/44 ,  D01F2/10 ,  D06M11/56 ,  D06M11/77 ,  D06M11/79 ,  D06M15/643 ,  D06M2200/30 ,  Y10T428/2965

    摘要： A rayon fiber that does not use a halide-based flame retardant, a phosphorous flame retardant or an organic solvent, has excellent flameproofness and launderability and is biodegradable when buried in the soil at the time of disposal, and a method for manufacturing the same are provided. The flameproof rayon fiber according to the present invention contains components of silicon and magnesium, and a compound containing the components of silicon and magnesium is amorphous. This rayon fiber can be manufactured by preparing a viscose solution, adding a solution containing a silicate compound containing an alkali metal to the viscose solution so as to make a silicic compound-added viscose spinning solution containing the alkali metal, performing spinning by extruding the silicate compound-added viscose spinning solution containing the alkali metal through a spinneret into a spinbath containing a sulfuric acid, thus producing a fiber to be treated containing the silicate compound, and treating the fiber to be treated using a magnesium-containing solution in a scouring process or an aftertreatment process.

    摘要翻译： 不使用卤化物系阻燃剂，磷阻燃剂或有机溶剂的人造丝纤维具有优异的防火性和洗涤性，并且在处置时埋藏在土壤中时是可生物降解的，并且其制造方法为 提供。 根据本发明的防火人造丝纤维含有硅和镁的成分，含有硅和镁的组分的化合物是无定形的。 该人造丝纤维可以通过制备粘胶溶液，将含有碱金属的硅酸盐化合物的溶液加入到粘胶溶液中以制备含有碱金属的含硅化合物的粘胶纺丝溶液，通过挤出硅酸盐进行纺丝 通过喷丝头将含有碱金属的复合添加粘胶纺丝溶液加入到含有硫酸的纺丝浴中，由此生产含有硅酸盐化合物的待处理纤维，并且在冲刷过程中使用含镁溶液处理待处理的纤维 或后处理过程。

    FLAMEPROOF RAYON FIBER, PROCESS FOR PRODUCTION THEREOF, AND FLAMEPROOF FIBER STRUCTURE
    3.
    发明公开
    FLAMEPROOF RAYON FIBER, PROCESS FOR PRODUCTION THEREOF, AND FLAMEPROOF FIBER STRUCTURE 审中-公开
    FLAMMFESTE VISKOSEFASER，HERSTELLUNGSVERFAHRENDAFÜRUND FLAMMFESTE STRUKTUR

    公开(公告)号：EP2463412A1

    公开(公告)日：2012-06-13

    申请号：EP09852804.5

    申请日：2009-12-28

    申请人： Daiwabo Holdings Co., Ltd. ,  Daiwabo Rayon Co., Ltd.

    发明人： FUSHITANI Shigeo ,  HAYASHI Makoto

    IPC分类号： D01F2/10

    CPC分类号： D01F2/10 ,  Y10T428/2913

    摘要： A flameproof rayon fiber having excellent flameproofness as well as excellent flame retardance, a method for manufacturing the same, and a flameproof fiber structure are provided. The flameproof rayon fiber according to the present invention includes components of silicon and sodium. Glass remains when the fiber is burned at 800°C, the glass component has a property of softening at 800°C, and when subjected to an X-ray fluorescence analysis, the rayon fiber has a silicon content in the range of 5 to 30% by mass and a sodium content in the range of 0.1 to 3% by mass. The flameproof rayon fiber according to the present invention can be manufactured by preparing an undiluted viscose solution; adding a solution containing a silicate compound containing an alkali metal to the undiluted viscose solution so as to make an alkali metal-containing silicate compound-added viscose solution; performing spinning by extruding the alkali metal-containing silicate compound-added viscose solution through a spinneret into a spinbath containing sulfuric acid, thus producing a fiber to be treated containing the silicate compound; and treating, in a scouring or aftertreatment process, the fiber to be treated with a solution having a pH in the range of 4 to 11 and a buffer action and containing sodium. A flameproof fiber structure of the present invention contains at least 30% by mass of the flameproof rayon fiber.

    摘要翻译： 提供具有优异的隔爆性和优异的阻燃性的防火人造丝纤维，其制造方法和防火纤维结构。 根据本发明的防火人造丝纤维包括硅和钠的组分。 当纤维在800℃下燃烧时玻璃残留，玻璃组分具有在800℃下软化的性质，并且当进行X射线荧光分析时，人造丝纤维的硅含量在5至30的范围内 质量％，钠含量为0.1〜3质量％的范围。 根据本发明的防火人造纤维可以通过制备未稀释的粘胶溶液来制造; 向未稀释的粘胶溶液中加入含有碱金属的硅酸盐化合物的溶液，制成含有碱金属的硅酸盐化合物的粘胶溶液; 通过将含有碱金属的含硅酸盐化合物的粘胶溶液通过喷丝头挤出到含有硫酸的纺丝浴中进行纺丝，从而制造含有硅酸酯化合物的待处理纤维; 并且在洗涤或后处理过程中用pH为4至11的溶液和缓冲作用并含有钠处理待处理的纤维。 本发明的防火纤维结构体含有至少30质量％的防火人造丝纤维。