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    • 1. 发明申请
    • Method and device for manufacturing splittable fibers and use thereof
    • 用于制造可裂片纤维的方法和装置及其用途
    • US20090004943A1
    • 2009-01-01
    • US12029312
    • 2008-02-11
    • Engelbert LOCHERKlaus KLEINNorbert GOFFINGArarad EMIRZE
    • Engelbert LOCHERKlaus KLEINNorbert GOFFINGArarad EMIRZE
    • D04H5/00
    • D01D5/30D01F8/12Y10T442/681
    • The invention relates to a method and a device (2) for manufacturing splittable fibers (1), by means of which it is possible to conduct the melt streams of the two or more mutually incompatible polymer components (A, B) in the melt spinning process in such a way that the flow of one polymer stream around individual polymer streams, or intermingling of the various polymer streams, is prevented, in particular for greatly different weight proportions of the polymer components (A, B).For this purpose, distribution holes (6) are provided upstream from at least one spinning capillary (4), and the cross-sectional area of the at least one distribution hole (6) associated with a particular polymer component (A, B) is adjusted as a function of the volumetric flow of the particular polymer component (A, B).
    • 本发明涉及一种用于制造可分裂纤维(1)的方法和装置(2),借助于此可以将熔融纺丝中的两种或多种相互不相容的聚合物组分(A,B)的熔体流 方法是防止一个聚合物流在各个聚合物流周围的流动或各种聚合物流的混合,特别是聚合物组分(A,B)的重量比大大不同。 为此,在至少一个纺丝毛细管(4)的上游设置分配孔(6),并且与特定聚合物组分(A,B)相关的至少一个分配孔(6)的横截面积为 作为特定聚合物组分(A,B)的体积流量的函数调节。