聚合物绝缘体用硅橡胶外壳的酸老化

2008 International Symposium on Electrical Insulating Materials (ISEIM 2008) Pub Date : 2008-10-31 DOI:10.1109/ISEIM.2008.4664472

I. Umeda, K. Tanaka, T. Kondo, K. Kondo, Y. Suzuki

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引用次数: 10

摘要

一种老化的有机硅聚合物绝缘体，在海岸附近的试验站使用了大约30年。10年，被调查。老化方式与侵蚀不同。FT-IR分析证实了橡胶老化现象与硝酸损伤现象相似。认为该酸是橡胶外壳电晕放电时产生的。为了避免这种橡胶老化，即使在潮湿条件下也要尽量减少电晕放电。

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Acid aging of silicone rubber housing for polymer insulators

An aged silicone polymer insulator, which had been used at testing station near sea coast for approx. 10 years, was investigated. The aging mode was different from erosion. It was confirmed that the rubber aging phenomena was similar to damage due to nitric acid by FT-IR analysis. It is deemed that the acid was generated during corona discharge on rubber housing. In order to avoid such a rubber aging, it is important to minimize corona discharge even under wet conditions.

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2008 International Symposium on Electrical Insulating Materials (ISEIM 2008)

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