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    • 6. 发明申请
    • A POLYPROPYLENE COMPOSITION, A METHOD OF PRODUCING THE SAME, AND ARTICLES MADE THEREFROM
    • 聚丙烯组合物,其制造方法及其制造方法
    • WO2008121464A1
    • 2008-10-09
    • PCT/US2008/055057
    • 2008-02-27
    • DOW GLOBAL TECHNOLOGIES INC.FINLAYSON, MalcolmWALTHER, BrianHOGAN, ToddHOENIG, StephenWALTON, Kim
    • FINLAYSON, MalcolmWALTHER, BrianHOGAN, ToddHOENIG, StephenWALTON, Kim
    • C08L23/10C08K5/43
    • C08L23/10C08K3/013C08K5/0083C08K5/43C08L21/00C08L23/0815C08L2023/44C08L2666/06C08L2666/04
    • The instant invention is a polypropylene composition, a method of producing the same, and articles made therefrom. The polypropylene composition according to instant invention includes the reactive melt blending product of a high crystalline polypropylene having a crystallinity of at least 64 percent, an elastomer, a coupling agent, and optionally a filler. The polypropylene composition according to instant invention has a melt flow rate in the range of less than 1 g/10 minutes measured at 230 °C under a load of 2.16 kg in accordance with ASTM-D 1238. The method of producing a polypropylene composition according to instant invention includes the following steps: (1) reactive melt blending a high crystalline polypropylene having a crystallinity of at least 64 percent, an elastomer, and optionally a filler in the presence of a coupling agent; and (2) thereby producing the polypropylene composition having a melt flow rate in the range of less than 1 g/10 minutes measured at 230 °C under a load of 2.16 kg in accordance with ASTM-D 1238. The articles according to instant invention include the inventive polypropylene composition including the reactive melt blending product of a high crystalline polypropylene having a crystallinity of at least 64 percent, an elastomer, a coupling agent, and optionally a filler.
    • 本发明是聚丙烯组合物,其制造方法和由其制成的制品。 根据本发明的聚丙烯组合物包括具有至少64%的结晶度的高结晶聚丙烯的反应性熔融共混产物,弹性体,偶联剂和任选的填料。 根据本发明的聚丙烯组合物,根据ASTM-D 1238,在230℃,2.16kg负荷下测定的熔体流动速率在小于1g / 10分钟的范围内。 本发明包括以下步骤:(1)在偶联剂存在下,将结晶度为至少64%的高结晶聚丙烯,弹性体和任选的填料进行反应性熔体共混; 和(2),根据ASTM-D 1238,在230℃,2.16kg负荷下测定熔体流动速率在小于1g / 10分钟范围内的聚丙烯组合物。本发明的制品 包括本发明的聚丙烯组合物,其包括具有至少64%的结晶度的高结晶聚丙烯的反应性熔融共混产物,弹性体,偶联剂和任选的填料。