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    • 74. 发明公开
    • FLAMEPROOF RAYON FIBER AND PROCESS FOR PRODUCTION THEREOF
    • 火焰原子吸收光谱仪
    • EP1918431A1
    • 2008-05-07
    • EP06782855.8
    • 2006-08-22
    • DAIWABO CO., LTD.Daiwabo Rayon Co., Ltd.
    • FUSHITANI, Shigeo c/o Daiwabo Rayon Co., Ltd.NAKANO, Masaru Daiwabo Rayon Co., Ltd.
    • D01F2/10D06M11/44
    • D06M11/44D01F2/10D06M11/56D06M11/77D06M11/79D06M15/643D06M2200/30Y10T428/2965
    • 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.
    • 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。
    • 77. 发明公开
    • A CELLULOSE MULTI-FILAMENT
    • 纤维素多丝
    • EP1859082A1
    • 2007-11-28
    • EP05856348.7
    • 2005-09-23
    • Hyosung Corporation
    • CHOI, Jae-ShikLEE, Tae-JungCHOI, Soo-MyungKWON, Ik-Hyun
    • D01D5/00
    • D01F2/00Y10T428/2938Y10T428/2965
    • The present invention relates to cellulose fiber containing 500 to 2000 of filaments and having homogeneous physical properties and the multi-filaments according to the present invention is characterized in that the strength and the breaking elongation of the multi-filaments are 4 to 9 g/d and 4 to 15 %, respectively. In particular, the present invention is characterized in that each mono-filament selected 100 strands from every three part divided from multi-filaments has properties as following: (a) 3 to 9 g/d in average strength, 7 to 15 % in average breaking elongation and 0.035 to 0.055 in by birefringence, (b) the differences of the above three parts are below 1.0 g/d in average strength, 1.5 % in breaking elongation and 0.7 denier in denier, (c) the CV (%)(coefficient of variation) of the above three parts are below 10%, and (d) the bire-fringence differences of the above three parts are below 0.004.
    • 本发明涉及含有500-2000根单丝并具有均匀物理性能的纤维素纤维,并且根据本发明的复丝的特征在于复丝的强度和断裂伸长率为4-9g / d 和4至15%。 特别是,本发明的特征在于,从由多丝分割的每三个部分中选出的100股单丝具有如下特性:(a)平均强度3-9g / d,平均7-15% (b)上述三部分的平均强度低于1.0g / d,断裂伸长率为1.5%,旦数为0.7旦尼尔,(c)CV(%)( (d)上述三部分的双折射率差在0.004以下。