共聚对聚乙烯电树和水树的影响

[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials Pub Date : 1991-07-08 DOI:10.1109/ICPADM.1991.172138

M. Nawata, H. Kawamura, I. Ishino, M. Ieda

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引用次数: 1

摘要

研究了聚乙烯与不同单体共聚时的电击穿和水击穿现象。根据起树电压对共聚试样的耐树性进行了评价。随着单体中卤素原子含量的增加，交流树起始电压降低。根据针状水电极顶端产生的水树生长情况来评价共聚样品的抗水树性。随着单体中卤素原子含量的增加，水树的生长速度降低。在聚乙烯中共聚卤素原子提高了材料的耐交流电树性和耐水树性。

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Effect of copolymerization on electrical and water trees of polyethylene

Electrical- and water-treeing breakdown phenomena were investigated on polyethylene copolymerized with various monomers. The resistance to electrical treeing in copolymerized specimens was evaluated according to the tree-inception voltages. The AC-tree-inception voltage decreased with increase in halogen atom content in the monomers. The resistance to water treeing in copolymerized specimens was evaluated according to the growth of water trees that arose from the tip of a needle-like water electrode. The growth of water treeing decreased with increase in halogen atom content in the monomers. Halogen atoms which were copolymerized in polyethylene improved the AC-electric-tree resistance and the water-tree resistance.<>

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[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials

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