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Rubber Composites with Piezoresistive Effects

고무 복합재료의 압저항 효과

  • Jung, Joonhoo (Department of Chemical Engineering, Inha University) ;
  • Yun, Ju Ho (Enviromental Materials & Components R&D Center, Korea Automotive Technology Institute) ;
  • Kim, Il (The WCU Center for Synthetic Polymer Bioconjugate Hybrid Materials, Department of Polymer Science and Engineering, Pusan National University) ;
  • Shim, Sang Eun (Department of Chemical Engineering, Inha University)
  • Received : 2013.01.10
  • Accepted : 2013.01.23
  • Published : 2013.03.31

Abstract

The term 'Piezoresistive effect' describes a change in the electrical resistance of the material from deformed to its original shape by the external pressure, e.g., elongation, compression, etc. This phenomenon has various applications of sensors for monitoring pressure, vibration, and acceleration. Although there are many materials which have the piezoresistive effect, rubber (nano)composites with conductive fillers have attracted a great deal of attention because the piezoresistive effect appears at the various range of pressure by controlling the type of filler, particle size, particle shape, aspect ratio of particles, and filler content. Especially one can obtain the composites with elasticity and flexibility by using the rubber as a matrix. This paper aims to review the piezoresistive effect itself, their basic principles, and the various conductive rubber-composites with piezoresistive effect.

Acknowledgement

Supported by : 지식경제부

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