A. Azmi;K. Y. Lau;N. A. Ahmad;Z. Abdul-Malek;C. W. Tan;K. Y. Ching;A. S. Vaughan
{"title":"热老化聚丙烯纳米复合材料的介电性能","authors":"A. Azmi;K. Y. Lau;N. A. Ahmad;Z. Abdul-Malek;C. W. Tan;K. Y. Ching;A. S. Vaughan","doi":"10.1109/TDEI.2022.3163796","DOIUrl":null,"url":null,"abstract":"This article reports on an investigation into the effects of thermal aging on the structure and dielectric properties of polypropylene (PP) nanocomposites. Magnesium aluminate (MgAl\n<sub>2</sub>\nO\n<sub>4</sub>\n), calcium carbonate (CaCO\n<sub>3</sub>\n), and surface-modified calcium carbonate (CaCO\n<sub>3</sub>\nT) nanofillers have been added to PP and the resulting nanocomposites have been subjected to aging at 110 °C and 140 °C. The results show that unfilled PP experiences a 13% reduction in its dc breakdown strength after aging at 110 °C and that its dc breakdown strength reduces by 27% after aging at 140 °C. In contrast, the reduction in the dc breakdown strength of all investigated PP nanocomposites is much less pronounced than that of the unfilled PP after aging. Specifically, the dc breakdown strength of PP/MgAl\n<sub>2</sub>\nO\n<sub>4</sub>\n nanocomposites, PP/CaCO\n<sub>3</sub>\n nanocomposites, and PP/CaCO\n<sub>3</sub>\nT nanocomposites reduces by 8%, 14%, and 14%, respectively, after aging at 140 °C. Possible mechanisms affecting the dc breakdown strength of the unfilled PP and PP nanocomposites before and after aging are consequently discussed.","PeriodicalId":13247,"journal":{"name":"IEEE Transactions on Dielectrics and Electrical Insulation","volume":"29 2","pages":"543-550"},"PeriodicalIF":2.9000,"publicationDate":"2022-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Dielectric Properties of Thermally Aged Polypropylene Nanocomposites\",\"authors\":\"A. Azmi;K. Y. Lau;N. A. Ahmad;Z. Abdul-Malek;C. W. Tan;K. Y. Ching;A. S. Vaughan\",\"doi\":\"10.1109/TDEI.2022.3163796\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This article reports on an investigation into the effects of thermal aging on the structure and dielectric properties of polypropylene (PP) nanocomposites. Magnesium aluminate (MgAl\\n<sub>2</sub>\\nO\\n<sub>4</sub>\\n), calcium carbonate (CaCO\\n<sub>3</sub>\\n), and surface-modified calcium carbonate (CaCO\\n<sub>3</sub>\\nT) nanofillers have been added to PP and the resulting nanocomposites have been subjected to aging at 110 °C and 140 °C. The results show that unfilled PP experiences a 13% reduction in its dc breakdown strength after aging at 110 °C and that its dc breakdown strength reduces by 27% after aging at 140 °C. In contrast, the reduction in the dc breakdown strength of all investigated PP nanocomposites is much less pronounced than that of the unfilled PP after aging. Specifically, the dc breakdown strength of PP/MgAl\\n<sub>2</sub>\\nO\\n<sub>4</sub>\\n nanocomposites, PP/CaCO\\n<sub>3</sub>\\n nanocomposites, and PP/CaCO\\n<sub>3</sub>\\nT nanocomposites reduces by 8%, 14%, and 14%, respectively, after aging at 140 °C. Possible mechanisms affecting the dc breakdown strength of the unfilled PP and PP nanocomposites before and after aging are consequently discussed.\",\"PeriodicalId\":13247,\"journal\":{\"name\":\"IEEE Transactions on Dielectrics and Electrical Insulation\",\"volume\":\"29 2\",\"pages\":\"543-550\"},\"PeriodicalIF\":2.9000,\"publicationDate\":\"2022-03-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Transactions on Dielectrics and Electrical Insulation\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://ieeexplore.ieee.org/document/9745522/\",\"RegionNum\":3,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ENGINEERING, ELECTRICAL & ELECTRONIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Dielectrics and Electrical Insulation","FirstCategoryId":"5","ListUrlMain":"https://ieeexplore.ieee.org/document/9745522/","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
Dielectric Properties of Thermally Aged Polypropylene Nanocomposites
This article reports on an investigation into the effects of thermal aging on the structure and dielectric properties of polypropylene (PP) nanocomposites. Magnesium aluminate (MgAl
2
O
4
), calcium carbonate (CaCO
3
), and surface-modified calcium carbonate (CaCO
3
T) nanofillers have been added to PP and the resulting nanocomposites have been subjected to aging at 110 °C and 140 °C. The results show that unfilled PP experiences a 13% reduction in its dc breakdown strength after aging at 110 °C and that its dc breakdown strength reduces by 27% after aging at 140 °C. In contrast, the reduction in the dc breakdown strength of all investigated PP nanocomposites is much less pronounced than that of the unfilled PP after aging. Specifically, the dc breakdown strength of PP/MgAl
2
O
4
nanocomposites, PP/CaCO
3
nanocomposites, and PP/CaCO
3
T nanocomposites reduces by 8%, 14%, and 14%, respectively, after aging at 140 °C. Possible mechanisms affecting the dc breakdown strength of the unfilled PP and PP nanocomposites before and after aging are consequently discussed.
期刊介绍:
Topics that are concerned with dielectric phenomena and measurements, with development and characterization of gaseous, vacuum, liquid and solid electrical insulating materials and systems; and with utilization of these materials in circuits and systems under condition of use.