聚乙烯中异电荷的来源

Proceedings of 1994 4th International Conference on Properties and Applications of Dielectric Materials (ICPADM) Pub Date : 1994-07-03 DOI:10.1109/ICPADM.1994.413955

K. Suh, J. Koo, Seung Hyung Lee, Jung-Ki Park, T. Takada

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引用次数: 10

摘要

为了阐明不含抗氧化剂的LDPE中杂电荷的来源，研究了低分子量聚乙烯链和样品制备过程中化学变化的影响。两者都影响了LDPE中空间电荷的形成。低分子量聚乙烯链通过极化或迁移机制促进异电荷的形成。在样品制备过程中，在LDPE样品表面形成的羰基通过增强的电荷注入减少了杂电荷。本文还讨论了样品制备过程中化学变化的性质

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Origin of heterocharge in polyethylene

The effects of low molecular weight chains of PE and chemical change during the sample preparation investigated in order to clarify the origins for heterocharge in LDPE which does not contain antioxidants. Both were found to affect the formation of space charge in LDPE. Low molecular weight chains of PE encourage the formation of heterocharge by polarization or migration mechanisms. The carbonyls formed at the surface of a LDPE sample during sample preparation reduce the heterocharge by an enhanced charge injection. The nature of the chemical change during sample preparation is also discussed in the text.<>

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来源期刊

Proceedings of 1994 4th International Conference on Properties and Applications of Dielectric Materials (ICPADM)

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