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    • 10. 发明授权
    • Fire retardant antiflux fiber and its production process
    • 阻燃抗纤维及其生产工艺
    • US08133583B2
    • 2012-03-13
    • US12521299
    • 2007-03-05
    • Sufeng TianLejun Wang
    • Sufeng TianLejun Wang
    • D01F21/08D01F21/10D01F21/12D01F21/00C09K21/02C09K21/14D21D9/00D21D1/00
    • D01F1/07D01F2/06Y10T428/2913Y10T428/2916Y10T428/2965Y10T428/2993
    • The present invention provides a fire retardant antiflux fiber, the fiber is composed of the following components: cellulose 60˜80% by mass, silicon fire retardant (calculated as silicon dioxide) 15˜36% by mass, tourmaline 0.1˜5%. The present invention also provides a process of producing fire retardant antiflux fiber, in the adding step, the silicon fire retardant is added into the cellulose xanthate in the xanthation step or the viscose which was prepared after the xanthation step, the level of adding the silicon fire retardant is 19˜30%, calculated as silicon dioxide. The fire retardant antiflux fiber of the present invention has high fire retardant antiflux effect, high fiber strength and excellent negative ion generating efficacy. At the same time, the viscose also maintains excellent filtering performance in the procedure using above production process, reducing the production standstill caused by the viscose blocking up filter screen, improving production efficiency. The viscose fiber can be used to fabricate nonwoven fabric widely.
    • 本发明提供一种阻燃抗流纤维,该纤维由以下成分组成:纤维素60〜80质量%,硅阻燃剂(以二氧化硅计)为15〜36质量%,电气石为0.1〜5%。 本发明还提供一种制备阻燃抗流纤维的方法,在添加步骤中,在黄原酸化步骤中的黄原酸酯中加入硅阻燃剂或在黄原酸化步骤之后制备的粘胶,添加硅的水平 阻燃剂为19〜30%,以二氧化硅计。 本发明的阻燃抗纤维纤维具有较高的阻燃抗氧化作用,高纤维强度和优异的负离子产生效能。 同时,粘胶在使用上述生产工艺的过程中也保持了优异的过滤性能,减少了粘胶堵塞过滤网引起的生产停顿,提高了生产效率。 粘胶纤维可广泛用于制造无纺织物。