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    • 58. 发明专利
    • Liquid crystal polyester fiber and method for producing the same
    • 液晶聚酯纤维及其制造方法
    • JP2012214949A
    • 2012-11-08
    • JP2012027455
    • 2012-02-10
    • Toray Ind Inc東レ株式会社
    • ONO TAKEMASAKATSUTA HIROSHIKAWAMATA CHIEKOFUNATSU YOSHIJI
    • D01F6/62D06M13/288D06M23/08D06M101/32
    • PROBLEM TO BE SOLVED: To provide a liquid crystal polyester fiber polymerized in a solid phase, which has high strength and high elastic modulus, hardly causes fusion between fibers, is superior in process passability in post process, and further is superior in post-processability when being formed into a product, and to provide a method for producing the same.SOLUTION: The method for producing the liquid crystal polyester fiber comprise: preparing a yarn obtained by melt-spinning liquid crystal polyester; applying an inorganic particle (A) and a phosphoric acid compound (B) to the yarn; and then polymerizing the yarn in the solid phase. The liquid crystal polyester fiber obtained by the method is also disclosed.
    • 要解决的问题:为了提供具有高强度和高弹性模量的固相聚合的液晶聚酯纤维,几乎不引起纤维之间的熔合,在后期加工中的工艺通过性优异,并且还优于 形成产品时的后加工性,并提供其制造方法。 解决方案:制备液晶聚酯纤维的方法包括:制备通过熔融纺丝液晶聚酯得到的纱线; 将无机颗粒(A)和磷酸化合物(B)施加到纱线上; 然后在固相中使纱线聚合。 还公开了通过该方法获得的液晶聚酯纤维。 版权所有(C)2013,JPO&INPIT