{"title":"TSC of oil/polymer film composite insulator with chemically etched polymer film","authors":"S. Ochiai, H. Iwasaki, M. Ieda, T. Mizutani","doi":"10.1109/ICPADM.1991.172208","DOIUrl":null,"url":null,"abstract":"The electrical properties and oil/polymer interaction for an alkylbenzene/polypropylene (PP) composite insulator with chemically etched polymer (PPc) were investigated with the thermally stimulated current (TSC), surface roughness, and FT-IR (Fourier transform infrared) methods. The etched rough surface was obtained by the dissolution of the amorphous part of the PP surface in sulfuric acid. The TSC obtained on an oil/PPc specimen has four clear peaks. The comparison in TSC between oil/PP (virgin) and oil/PPc revealed that impurities in PP exist near the surface of PP and that PPc has shallower ion traps than PP. It is concluded that the wettability of the polymer surface was improved by the chemical etching. In other words, the chemical etching of the polymer surface produces an optimum polymer surface for the impregnation of oil.<<ETX>>","PeriodicalId":6450,"journal":{"name":"[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials","volume":"26 1","pages":"875-878 vol.2"},"PeriodicalIF":0.0000,"publicationDate":"1991-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPADM.1991.172208","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The electrical properties and oil/polymer interaction for an alkylbenzene/polypropylene (PP) composite insulator with chemically etched polymer (PPc) were investigated with the thermally stimulated current (TSC), surface roughness, and FT-IR (Fourier transform infrared) methods. The etched rough surface was obtained by the dissolution of the amorphous part of the PP surface in sulfuric acid. The TSC obtained on an oil/PPc specimen has four clear peaks. The comparison in TSC between oil/PP (virgin) and oil/PPc revealed that impurities in PP exist near the surface of PP and that PPc has shallower ion traps than PP. It is concluded that the wettability of the polymer surface was improved by the chemical etching. In other words, the chemical etching of the polymer surface produces an optimum polymer surface for the impregnation of oil.<>
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