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PP/ PA6原位成纤复合材料I. 形态与力学性能

PP/PA6 INSITU COMPOSITE I.MORPHOLOGY AND MECHANICAL PROPERTIES

    摘要
  • 摘要: 不相容的通用热塑性塑料聚丙烯(PP) 和尼龙6 (PA 6) 共熔挤出, 当PA 6为分散相时, 得到了PA 6纤维分散于PP 基体中的原位复合材料。在PP 和PA 6的熔点之间成型, 可以保持住纤维的形态。材料的拉伸强度下降, 但冲击强度得到大幅度提高。

     

    Abstract: PP and PA6 were extruded with a single screw extruder. PA6 could form microfibrils in PP matrix. When the blends were compression molded at the temperature between the melting temperature of PP and that of PA6, these fibrils could be maintained in the matrix. The existence of PA6 microfibrils improved the impact strength but the tensile strength of the composites decreased.

     

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