通过拉拔法测定了纳米改性低密度聚乙烯和钢铁之间的附着强度,并结合聚乙烯的表面能参数测定、XPS的能谱和聚乙烯涂敷过程中的体积变化,对纳米颗粒提高聚乙烯和钢铁附着力的机理进行了研究.表面能参数的结果表明,随纳米颗粒的加入,聚乙烯的极性有提高的趋势.XPS分析和体积变化测量发现,聚乙烯极性变化是由于纳米颗粒作用下,聚乙烯产生的极性基团C-O和C=O所致,它和聚乙烯涂覆过程中的体积变化共同作用,使聚乙烯和钢铁附着力提高.
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