聚乙烯是电气绝缘领域应用最广泛的聚合物材料之一.根据电老化过程中电子和空穴复合产生的紫外辐射能导致聚合物降解理论,将少量纳米ZnO与低密度聚乙烯熔融共混,研究了电晕老化不同时间后复合材料空间电荷以及击穿特性的变化.结果表明添加纳米ZnO能有效提高聚乙烯绝缘的耐电晕老化寿命.
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