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    • 9. 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
    • US20100048792A1
    • 2010-02-25
    • US12532346
    • 2008-02-27
    • Malcolm F. FinlaysonBrian W. WaltherTodd A. HoganStephen M. HoenigKim L. Walton
    • Malcolm F. FinlaysonBrian W. WaltherTodd A. HoganStephen M. HoenigKim L. Walton
    • C08K3/26C08L23/12C08L23/08C08K3/34C08F8/34
    • 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负荷下测量的熔体流动速率在小于1g / 10分钟的范围内。制备聚丙烯组合物的方法 根据本发明包括以下步骤:(1)在偶联剂存在下,反应性熔体共混结晶度至少为64%的高结晶聚丙烯,弹性体和任选的填料; 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。 本发明包括本发明的聚丙烯组合物,其包括结晶度至少为64%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。