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PP/mPE/SGF复合材料的动态力学性能

, PP. 33-36

Keywords: 聚丙烯,茂金属聚乙烯,共混物,复合材料,动态力学性能,滞后

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Abstract:

茂金属聚乙烯弹性体(mPE)作为一种全新的弹性体品种,特别适合于PP的增韧改性。然而,和其它弹性体一样,mPE的加入不可避免地引起PP的刚性和强度降低。为了补偿因加入弹性体带来的刚性和强度的损失,采用短玻璃纤维(SGF)对PP/mPE共混物进行增强,从而制得PP/mPE/SGF三元共混复合材料。采用滞后测量法,分别对PP/mPE共混物和PP/mPE/SGF三元复合材料的动态力学性能进行了研究。结果表明,这种复合材料具有非常高的动态弹性模量和动态负荷极限。

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