{"title":"丁二烯-苯乙烯共聚物的驻极体态","authors":"R. Capelletti, J. Pospisil","doi":"10.1109/ISE.1988.38613","DOIUrl":null,"url":null,"abstract":"Thermally stimulated depolarization currents (TSDC) in the range of 120-350 K are exploited to study triblock and statistical styrene-butadiene copolymers. TSDC peaks occur at the butadiene phase glass transition, due to the reorientation of butadiene dipolar groups. The peak is accounted for by a distribution of relaxation times. In block copolymers the TSDC signal is monitored at the butadiene phase transition temperature even if the sample is not previously polarized. Ordering effects induced by the sample preparation are discussed.<<ETX>>","PeriodicalId":199976,"journal":{"name":"6th International Symposium on Electrets,(ISE 6) Proceedings.","volume":"356 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1988-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Electret state of butadiene-styrene copolymers\",\"authors\":\"R. Capelletti, J. Pospisil\",\"doi\":\"10.1109/ISE.1988.38613\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Thermally stimulated depolarization currents (TSDC) in the range of 120-350 K are exploited to study triblock and statistical styrene-butadiene copolymers. TSDC peaks occur at the butadiene phase glass transition, due to the reorientation of butadiene dipolar groups. The peak is accounted for by a distribution of relaxation times. In block copolymers the TSDC signal is monitored at the butadiene phase transition temperature even if the sample is not previously polarized. Ordering effects induced by the sample preparation are discussed.<<ETX>>\",\"PeriodicalId\":199976,\"journal\":{\"name\":\"6th International Symposium on Electrets,(ISE 6) Proceedings.\",\"volume\":\"356 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"6th International Symposium on Electrets,(ISE 6) Proceedings.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISE.1988.38613\",\"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.1988.38613","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Thermally stimulated depolarization currents (TSDC) in the range of 120-350 K are exploited to study triblock and statistical styrene-butadiene copolymers. TSDC peaks occur at the butadiene phase glass transition, due to the reorientation of butadiene dipolar groups. The peak is accounted for by a distribution of relaxation times. In block copolymers the TSDC signal is monitored at the butadiene phase transition temperature even if the sample is not previously polarized. Ordering effects induced by the sample preparation are discussed.<>
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