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Manufacturing and characterizing of CCTO/SEBS dielectric elastomer as capacitive strain sensors

  • Yi-Yang Zhang
  • Jie Zhang
  • Gen-Lin Wang
  • Zhi-Feng Wang
  • Zhi-Wei Luo
  • Ming ZhangEmail author
Article
  • 16 Downloads

Abstract

Calcium copper titanate (CCTO)/polystyrene–polyethylene–polybutylene–polystyrene (SEBS) dielectric elastomers were prepared via blending method. A capacitive strain sensor using CCTO/SEBS as dielectric layer and polyaniline–dodecylbenzensulfonic acid (PANI–DBSA)/SEBS as electrodes was designed and manufactured by thermoforming process. X-ray diffractometer (XRD), scanning electron microscopy (SEM) and Raman spectra analyses were carried out; no impurities were found in the composite and CCTO particles were well dispersed. The dielectric tests showed that the samples filled with 20 wt% CCTO have their permittivity improved by 70%. The capacitive strain sensors have a stabilized capacitance variety range at different strain ranges or stretch speeds, and could remain synchronized after 500-time-stretching, showing high reproducibility.

Keywords

Calcium copper titanate Polystyrene–polyethylene–polybutylene–polystyrene Capacitive strain sensor Dielectric constant Strain–capacitance value 

Notes

Acknowledgements

This study was financially supported by the National Natural Science Foundation of China (No. 51403181).

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Copyright information

© The Nonferrous Metals Society of China and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of System InformaticsKobe UniversityKobeJapan
  2. 2.School of Chemistry and Chemical EngineeringYangzhou UniversityYangzhouChina
  3. 3.Test Center of Yangzhou UniversityYangzhouChina

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