采用L9(34)正交实验方法,研究了弹性体乙烯-辛烯共聚物(8003树脂)、增容剂乙烯-丙烯酸共聚物(EAA)、滑石粉及增塑剂甘油对淀粉/乙烯-醋酸乙烯酯(EVA)复合发泡鞋底材料力学性能的影响,并通过X射线衍射(XRD)和扫描电镜(SEM)表征了共混物的结构.结果表明,滑石粉和8003树脂对共混物的拉伸强度、延伸率及回弹性有显著的影响,当8003树脂为20phr、EAA为30phr、滑石粉为0phr、甘油为8phr时,共混物的综合力学性能最好.XRD和SEM分析表明,EAA的加入能大大增加淀粉和EVA的相容性,达到增容的效果.
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