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Silicone Elastomers with High-Permittivity Ionic Liquids Loading
Liu, Xue1,2; Yu, Liyun1; Nie, Yi2,3; Skov, Anne Ladegaard1
2019-08-20
Source PublicationADVANCED ENGINEERING MATERIALS
ISSN1438-1656
Pages9
AbstractThe most obvious challenge facing current dielectric elastomers (DEs) is the high driving voltages necessary to activate them, and so, an effective way to overcome this shortcoming is to increase their dielectric permittivity. Herein, high-permittivity dielectric elastomer materials are prepared by synthesizing silicone elastomer loaded with ionic liquids (ILs). The influence of the structure and the amounts of ILs on the material properties is discussed, and important properties for material applications as DEs, such as dielectric permittivity, gel fraction, and mechanical properties, are also investigated. It is found that 1-butyl-3-methylimidazolium hexafluoroantimonate (BmimSbF(6)) is the most suitable IL for the given system. The dielectric permittivity of the material with 90 parts per hundred rubber (phr) BmimSbF(6) is 3.2 times higher than that of the pristine silicone elastomer, whereas the dielectric permittivity of pure silicone elastomer and elastomer loaded with ILs decreases in line with increased temperature in all cases. Young's modulus decreases in line with the increasing amount of BmimSbF(6) in the elastomer, as expected. A simpler figure of merit (F*(om)) for actuators is used, and F*(om) of the elastomer with a 90 phr IL loading is 10.40, thereby indicating that the material has a great advantage when used in actuators.
Keyworddielectric elastomers ionic liquids permittivity temperature-dependent
DOI10.1002/adem.201900481
Language英语
WOS KeywordDIELECTRIC ELASTOMERS ; HIGH-PERFORMANCE ; IONOGELS ; ACTUATOR ; STRAIN
Funding ProjectDepartment of Chemical and Biochemical Engineering, Technical University of Denmark ; National Natural Science Foundation of China[21576262] ; National Natural Science Foundation of China[21776276]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
Funding OrganizationDepartment of Chemical and Biochemical Engineering, Technical University of Denmark ; National Natural Science Foundation of China
WOS IDWOS:000482308800001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30632
Collection中国科学院过程工程研究所
Corresponding AuthorNie, Yi; Skov, Anne Ladegaard
Affiliation1.Tech Univ Denmark, Dept Chem & Biochem Engn, Danish Polymer Ctr, Soltofts Plads 227, DK-2800 Lyngby, Denmark
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing Key Lab Ion Liquids Clean Proc,Key Lab Gr, POB 353, Beijing 100190, Peoples R China
3.Zhengzhou Inst Emerging Ind Technol, Zhengzhou 450000, Peoples R China
Recommended Citation
GB/T 7714
Liu, Xue,Yu, Liyun,Nie, Yi,et al. Silicone Elastomers with High-Permittivity Ionic Liquids Loading[J]. ADVANCED ENGINEERING MATERIALS,2019:9.
APA Liu, Xue,Yu, Liyun,Nie, Yi,&Skov, Anne Ladegaard.(2019).Silicone Elastomers with High-Permittivity Ionic Liquids Loading.ADVANCED ENGINEERING MATERIALS,9.
MLA Liu, Xue,et al."Silicone Elastomers with High-Permittivity Ionic Liquids Loading".ADVANCED ENGINEERING MATERIALS (2019):9.
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