{"title":"热激发放电对rho弛豫非晶PET结晶的影响","authors":"J. Belana, P. Colomer","doi":"10.1109/ISE.1988.38565","DOIUrl":null,"url":null,"abstract":"The thermal depolarization of amorphous PET (polyethylene terephthalate) electrets metallized on one side and corona charged at T/sub p/>70 degrees C exhibits, between 20 degrees C and 105 degrees C, three relaxations: alpha , rho /sub 1/ and rho /sub 2/. The origin of rho /sub 2/ is free charge injected from the electrodes, while rho /sub 1/ could be associated with a uniform bulk mechanism. The p/sub 1/ peak has a been located in electrets metallized on both sides and polarized, between 73 degrees C and 79 degrees C, only in the isothermic phase, so that at T/sub p/>79 degrees C it overlaps with rho . The stimulated crystallization by thermal steps in amorphous PET samples, metallized on both sides, indicates that rho /sub 1/ changes with the crystallinity and becomes the alpha /sub c/ relaxation of the crystalline PET.<<ETX>>","PeriodicalId":199976,"journal":{"name":"6th International Symposium on Electrets,(ISE 6) Proceedings.","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1988-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Concerning the rho relaxation amorphous PET crystallization by thermally stimulated discharge\",\"authors\":\"J. Belana, P. Colomer\",\"doi\":\"10.1109/ISE.1988.38565\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The thermal depolarization of amorphous PET (polyethylene terephthalate) electrets metallized on one side and corona charged at T/sub p/>70 degrees C exhibits, between 20 degrees C and 105 degrees C, three relaxations: alpha , rho /sub 1/ and rho /sub 2/. The origin of rho /sub 2/ is free charge injected from the electrodes, while rho /sub 1/ could be associated with a uniform bulk mechanism. The p/sub 1/ peak has a been located in electrets metallized on both sides and polarized, between 73 degrees C and 79 degrees C, only in the isothermic phase, so that at T/sub p/>79 degrees C it overlaps with rho . The stimulated crystallization by thermal steps in amorphous PET samples, metallized on both sides, indicates that rho /sub 1/ changes with the crystallinity and becomes the alpha /sub c/ relaxation of the crystalline PET.<<ETX>>\",\"PeriodicalId\":199976,\"journal\":{\"name\":\"6th International Symposium on Electrets,(ISE 6) Proceedings.\",\"volume\":\"36 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"6th International Symposium on Electrets,(ISE 6) Proceedings.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISE.1988.38565\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"6th International Symposium on Electrets,(ISE 6) Proceedings.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISE.1988.38565","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Concerning the rho relaxation amorphous PET crystallization by thermally stimulated discharge
The thermal depolarization of amorphous PET (polyethylene terephthalate) electrets metallized on one side and corona charged at T/sub p/>70 degrees C exhibits, between 20 degrees C and 105 degrees C, three relaxations: alpha , rho /sub 1/ and rho /sub 2/. The origin of rho /sub 2/ is free charge injected from the electrodes, while rho /sub 1/ could be associated with a uniform bulk mechanism. The p/sub 1/ peak has a been located in electrets metallized on both sides and polarized, between 73 degrees C and 79 degrees C, only in the isothermic phase, so that at T/sub p/>79 degrees C it overlaps with rho . The stimulated crystallization by thermal steps in amorphous PET samples, metallized on both sides, indicates that rho /sub 1/ changes with the crystallinity and becomes the alpha /sub c/ relaxation of the crystalline PET.<>
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