α-成核剂对均聚聚丙烯性能的影响

Plastics Science and Technology(2012)

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Abstract
考察了几种α-成核剂对聚丙烯性能的影响,选取改性性能较好的成核剂,分析了该成核剂对聚丙烯力学性能和结晶性能的影响。结果表明:随着成核剂用量的增加,聚丙烯的力学性能先升高再降低;加入成核剂可明显提高聚丙烯的结晶温度,加快结晶速率,晶粒尺寸明显变小。
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Key words
Crystallinity,α-Nucleating agent,Homo-polypropylene,Mechanical properties
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