Effects of fillers on the properties of liquid silicone rubbers (LSRs)

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Abstract

Dielectric electro active polymers (DEAPs) change their shape and size under a high voltage or reversibly generate a high voltage when deformed [1,2]. One prominent method to make DEAPs performances more efficient is by adding suitable fillers [3,4]. Liquid silicone rubbers (LSRs) have relatively low viscosities, which is favorable for loading of inorganic fillers [5]. In this study, commercially available fillers, such as fumed silica (SiO2), titanium dioxide (TiO2), barium titanate (BaTiO3), copper calcium titanate (CaCu3Ti4O12, CCTO), multi-walled carbon nanotubes (MWCNTs) were added into the LSRs. The filled elastomers have both favorable properties and shortcomings. The results indicate that the hydrophobic rutile TiO2 nanofiller is a good candidate for achieving higher permittivity and breakdown, as well as favorable elastic modulus of the elastomers.
Original languageEnglish
Publication date2014
Number of pages1
Publication statusPublished - 2014
Event4th International Conference on Electromechanically Active Polymer (EAP) Transducers & Artificial Muscles - Linköping, Sweden
Duration: 10 Jun 201411 Jun 2014
Conference number: 4

Conference

Conference4th International Conference on Electromechanically Active Polymer (EAP) Transducers & Artificial Muscles
Number4
Country/TerritorySweden
CityLinköping
Period10/06/201411/06/2014

Keywords

  • DEAPs
  • LSRs
  • Dielectric permittivity
  • Electrical breakdown
  • Young’s modulus
  • TiO2

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