Proceedings of 1995 Conference on Electrical Insulation and Dielectric Phenomena
DOI: 10.1109/ceidp.1995.483583
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Effects of oxidation and antioxidants on space charge in polyethylene

Abstract: Space charge and conduction current in low-density polyethylene (LDPE) and antioxidants doped LDPE have been measured. They strongly depended upon oxidation and antioxidants. In LDPE, oxidation enhanced electron injection and, as a result, negative homo space charge near the cathode. In antioxidants doped LDPE, on the other hand, both positive and negative space charges increased with oxidation and then saturated. The conduction current in doped LDPE increased with oxidation in the low oxidation region, decrea… Show more

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Cited by 2 publications
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“…84 Oxidation enhances charge injection in LDPE. 85 The addition of the antioxidant changes both space charge formation and the space charge decay markedly. It leads to hopping centers in the amorphous regions which enhances the conductivity, but leads to deep (i.e., chemical) traps on the crystallite surfaces, which can decrease the conductivity.…”
Section: Additives and Cross-linking By-productsmentioning
confidence: 99%
“…84 Oxidation enhances charge injection in LDPE. 85 The addition of the antioxidant changes both space charge formation and the space charge decay markedly. It leads to hopping centers in the amorphous regions which enhances the conductivity, but leads to deep (i.e., chemical) traps on the crystallite surfaces, which can decrease the conductivity.…”
Section: Additives and Cross-linking By-productsmentioning
confidence: 99%