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PP/EPDM复合材料的制备与性能研究
  采用动态硫化技术制备聚丙烯(PP)/(乙烯/丙烯/二烯)共聚物(EPDM)热塑性弹性体,并在制备过程中引入超支化聚合物,研究超支化聚合物对PP/EPDM热塑性弹性体流变性能和力学性能的影响。结果表明,随着超支化聚合物用量的增加,其断裂伸长?#35797;?#22823;,当超支化聚合物的用量为0.9%时,较未添加时断裂伸长率提高了65%,达到775.6%;加入超支化聚合物后PP/EPDM热塑性弹性体的熔体粘度降低,流变性能提高。
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