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聚乙烯和马来酸酐接枝聚乙烯对尼龙66性能的影响

Plastics Manufacture(2011)

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Abstract
采用熔融共混法制备了高密度聚乙烯/尼龙66(HDPE/PA66)和马来酸酐接枝聚乙烯/尼龙66(PE-g-MAH/PA66)复合材料,对其力学性能和熔体流动速率进行了测试,对共混物形貌进行了扫描电镜观察。研究表明,与不相容HDPE/PA66共混物比较,PE-g-MAH更能有效改善尼龙66的冲击韧性和加工性能,同时使保持PA66较高的拉伸强度。其原因是基于PE-g-MAH相的细微分散以及与PA66之间存在较强的界面粘附,有利于应力的有效传递。
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Key words
Polyethylene-grafted-maleic anhydride,Nylon 66,Morphology,High-density polyethylene,Mechanical properties
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