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    • 9. 发明申请
    • BIOCOMPONENT FIBERS WITH AN EXTERIOR COMPONENT COMPRISING POLYPROPYLENE
    • 具有包含聚丙烯的外部组件的生物纤维
    • US20110189916A1
    • 2011-08-04
    • US13055013
    • 2009-07-29
    • Hugues HaubrugeGuillaume Pavy
    • Hugues HaubrugeGuillaume Pavy
    • D04H13/00D02G3/00
    • D01F8/06D01D5/30D04H1/54D04H1/541D04H1/544D04H3/007D04H3/16D04H13/00Y10T428/2929Y10T442/641
    • The present invention relates to bicomponent fibers with improved bonding properties. In particular, the present invention relates to bicomponent fibers comprising an exterior component, which in turn comprises a polypropylene that has been degraded from a first melt flow index MFI1 (measured according to ISO 1133, condition L, 230° C., 2.16 kg) to a second melt flow index MFI2 (measured according to ISO 1133, condition L, 230° C., 2.16 kg), such that the degradation ratio MFI1/MFI2 is within a well-defined range and such that the second melt flow index MFI2 is in the range from 50 dg/min to 300 dg/min. Further, the present invention relates to nonwovens, composites and laminates comprising said bicomponent fibers. The present invention also relates to a process for making such bicomponent fibers, nonwovens, composites and laminates.
    • 本发明涉及具有改善粘合性能的双组分纤维。 特别地,本发明涉及包含外部组分的双组分纤维,该组分又包含已经从第一熔体流动指数MFI1(根据ISO 1133测定的条件L,230℃,2.16kg)降解的聚丙烯, 到第二熔体流动指数MFI2(根据ISO 1133,条件L,230℃,2.16kg测量),使得降解率MFI1 / MFI2在良好限定的范围内,使得第二熔体流动指数MFI2 在50dg / min至300dg / min的范围内。 此外,本发明涉及包含所述双组分纤维的无纺布,复合材料和层压材料。 本发明还涉及一种制备这种双组分纤维,无纺布,复合材料和层压材料的方法。