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    • 30. 发明申请
    • CROSSLINKED POLYETHYLENE ELASTIC FIBERS
    • 交联聚乙烯弹性纤维
    • WO2007097916A2
    • 2007-08-30
    • PCT/US2007/003297
    • 2007-02-07
    • DOW GLOBAL TECHNOLOGIES INC.LAI, Shih-YawCHIU, Yuen-Yuen, D.SEN, AshishCOSTEUX, Stephane
    • LAI, Shih-YawCHIU, Yuen-Yuen, D.SEN, AshishCOSTEUX, Stephane
    • D01F6/46D01F8/06
    • D01F6/46D01F8/06
    • The present invention relates to crosslinked, olefin elastic fibers where the olefin materials are specifically selected to provide a more robust fiber with higher tenacity and greater temperature stability. Such fibers will be less subject to breakage during fiber spinning and post-spinning (downstream processing) operations including spool formation and unwinding. The specific olefin material used is a blend having an overall melt index (I2) of less than 2.5 g/10 min before crosslinking with a density in the range of 0.865 to 0.885 g/cm 3 . One component of the blend will be characterized as having either a density in the range of from 0.855 to 0.88 g/cm 3 or a residual crystallinity at 80 °C of greater than 9 percent but not both. The at least one other component will meet at least whichever characteristic the first component does not meet.
    • 本发明涉及交联的烯烃弹性纤维,其中烯烃材料被特别选择以提供具有更高韧性和更高温度稳定性的更坚固的纤维。 在纤维纺丝和后纺(下游处理)操作中,这种纤维将不会发生断裂,包括卷筒形成和展开。 使用的特定烯烃材料是在0.865至0.885g / cm 3范围内的密度交联之前具有小于2.5g / 10min的总体熔体指数(I 2)的共混物。 共混物的一种组分将被表征为具有在0.855至0.88g / cm 3范围内的密度或在80℃下的残余结晶度大于9%,但不是均为二者。 至少一个其他组件将至少满足第一个组件不符合的特征。