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Epoxy/alpha-Alumina Nanocomposite With Decreased Dielectric Constant and Dielectric Loss
Chen, Yun1,2; Zhang, Donghai1; Wu, Xiaofeng1; Wang, Haosheng1; Xue, Yang1,2; Wu, Ruiwen1,2; Zhang, Zhong3; Chen, Yunfa1
2018-07-01
Source PublicationPOLYMER COMPOSITES
ISSN0272-8397
Volume39Issue:7Pages:2307-2319
Abstract

this work, the dielectric spectroscopy and dynamic mechanical thermal spectroscopy of neat epoxy and epoxy nanocomposites modified by boehmite, gamma-alumina and alpha-alumina nanoparticles, respectively, were investigated. The dielectric behavior of epoxy resin was significantly affected by the incorporation of alpha-alumina nanofiller. The values of real and imaginary part of relative permittivity of epoxy/alpha-alumina nanocomposite were even lower than these of neat epoxy. On the contrary, these values of boehmite and gamma-alumina nanocomposites were higher than these of neat epoxy. The glass transition temperature (T-g) determined by dynamic mechanical thermal analysis (DMA) was obviously decreased when boehmite nanofiller was added into the epoxy nanocomposite. The value of T-g was slightly decreased by gamma-alumina and apparently increased by alpha-alumina nanofiller. These changes of performance may be attributed to that the existence of alpha-alumina nanoparticles restricted the mobility of polymer molecular chains. (C) 2016 Society of Plastics Engineers

DOI10.1002/pc.24210
Language英语
WOS KeywordFilled Epoxy Composites ; Polymer Nanocomposites ; Mechanical-properties ; Thermal-properties ; Behavior ; Resin ; Performance ; Conductivity ; Spectroscopy ; Improvement
Funding ProjectNational High Technology Research and Development Program of China[2013AA031803] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA09030202]
WOS Research AreaMaterials Science ; Polymer Science
WOS SubjectMaterials Science, Composites ; Polymer Science
Funding OrganizationNational High Technology Research and Development Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences
WOS IDWOS:000441250000015
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/25471
Collection中国科学院过程工程研究所
Corresponding AuthorChen, Yun
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Chen, Yun,Zhang, Donghai,Wu, Xiaofeng,et al. Epoxy/alpha-Alumina Nanocomposite With Decreased Dielectric Constant and Dielectric Loss[J]. POLYMER COMPOSITES,2018,39(7):2307-2319.
APA Chen, Yun.,Zhang, Donghai.,Wu, Xiaofeng.,Wang, Haosheng.,Xue, Yang.,...&Chen, Yunfa.(2018).Epoxy/alpha-Alumina Nanocomposite With Decreased Dielectric Constant and Dielectric Loss.POLYMER COMPOSITES,39(7),2307-2319.
MLA Chen, Yun,et al."Epoxy/alpha-Alumina Nanocomposite With Decreased Dielectric Constant and Dielectric Loss".POLYMER COMPOSITES 39.7(2018):2307-2319.
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