在高场强下用电声脉冲法( PEA)测量了低密度聚乙烯和线性低密度聚乙烯共混物中的空间电荷分布,用差示扫描量热法( DSC)研究了共混物的形态.实验结果表明:与纯低密度聚乙烯相比,共混可以降低空间电荷.文章最后分析了共混后对空间电荷影响的机理.
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