{"title":"商用聚羟基丁酸酯-羟戊酸酯共聚物的介电光谱","authors":"G. J. Pratt, M.J.A. Smith","doi":"10.1109/ICPADM.1994.413981","DOIUrl":null,"url":null,"abstract":"Contour maps of real relative permittivity and dielectric loss tangent over the ranges 0.1 Hz to 3 MHz and -175/spl deg/C to +145/spl deg/C for a commercial poly-/spl beta/-hydroxybutyratehydroxyvalerate (PHBV) copolymer reveal four principal features. The region of loss associated with each feature occurs at a lower temperature than in the equivalent PHB homopolymer. Possible sources are suggested for the losses.<<ETX>>","PeriodicalId":331058,"journal":{"name":"Proceedings of 1994 4th International Conference on Properties and Applications of Dielectric Materials (ICPADM)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Dielectric spectroscopy of a commercial polyhydroxybutyratehydroxyvalerate copolymer\",\"authors\":\"G. J. Pratt, M.J.A. Smith\",\"doi\":\"10.1109/ICPADM.1994.413981\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Contour maps of real relative permittivity and dielectric loss tangent over the ranges 0.1 Hz to 3 MHz and -175/spl deg/C to +145/spl deg/C for a commercial poly-/spl beta/-hydroxybutyratehydroxyvalerate (PHBV) copolymer reveal four principal features. The region of loss associated with each feature occurs at a lower temperature than in the equivalent PHB homopolymer. Possible sources are suggested for the losses.<<ETX>>\",\"PeriodicalId\":331058,\"journal\":{\"name\":\"Proceedings of 1994 4th International Conference on Properties and Applications of Dielectric Materials (ICPADM)\",\"volume\":\"8 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-07-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of 1994 4th International Conference on Properties and Applications of Dielectric Materials (ICPADM)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICPADM.1994.413981\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 1994 4th International Conference on Properties and Applications of Dielectric Materials (ICPADM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPADM.1994.413981","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Dielectric spectroscopy of a commercial polyhydroxybutyratehydroxyvalerate copolymer
Contour maps of real relative permittivity and dielectric loss tangent over the ranges 0.1 Hz to 3 MHz and -175/spl deg/C to +145/spl deg/C for a commercial poly-/spl beta/-hydroxybutyratehydroxyvalerate (PHBV) copolymer reveal four principal features. The region of loss associated with each feature occurs at a lower temperature than in the equivalent PHB homopolymer. Possible sources are suggested for the losses.<>
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