潘亚敏;石素宇;常宝宝;郑国强;刘春太;

• 1:郑州大学材料科学与工程学院

摘要(Abstract)：

通过拉伸性能测试,考察了稀土类β成核剂和熔体温度对等规聚丙烯(iPP)注塑试样断裂韧性的影响,并用二维广角X射线衍射法(2D-WAXD)和差示扫描量热法(DSC)对它们的微观结构进行了研究。结果表明:纯iPP和加入β成核剂的iPP试样的断裂韧性随着熔体温度的升高而增加;稀土β成核剂因其具有较强的异相成核作用,从而使材料的断裂韧性得到较大提高。

关键词(KeyWords)： 等规聚丙烯;熔体温度;β成核剂;微观结构;断裂韧性

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基金项目(Foundation): 国家自然科学基金(项目511173171)资助

作者(Author): 潘亚敏;石素宇;常宝宝;郑国强;刘春太;

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DOI:

参考文献(References)：

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