以马来酸酐(MAH)为有机单体,通过等离子体诱导接枝聚合法修饰碳纳米管(CNTs),借助红外光谱、扫描电镜分析手段,对所得表面为聚合物膜修饰碳纳米管(p-CNTs)进行表征.将上述p-CNTs应用于环氧树脂(EP)固化体系,制备出p-CNT/EP纳米复合材料,研究了其对EP性能的影响.结果表明: 等离子体可诱导马来酸酐在CNTs表面接枝聚合成膜.利用包覆于CNTs表面的聚马来酸酐(PMAH)薄膜功能化修饰CNTs.合适含量的p-CNTs可显著提高环氧树脂的强度和韧性,使其高度强韧化.
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