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Journal of Materials Science

, Volume 45, Issue 24, pp 6834–6836 | Cite as

An electrostrictive high dielectric constant fluorinated terpolymer sheet fabricated by a melt and stretch extrusion process

  • Sung-Jin Kim
  • Ioannis Kymissis
Letter

Lightweight and conformable electroactive polymers (EAPs) are promising for advanced electromechanical and dielectric applications such as actuators, artificial muscle systems, and high efficiency charge storage capacitors [1, 2, 3, 4, 5, 6, 7]. EAPs are especially attractive for polymer muscle applications and demonstrate several advantages over competing approaches, exhibiting ambient operation, rapid reaction speed (microseconds to minutes), and a high mechanical energy density (~10 J/cm3) [6, 8]. Polyvinilidyneflouride-trifluoroethylene (P(VDF-TrFE)) copolymers are piezoelectric and demonstrate piezoelectric properties, but are unable to achieve high strains. It has been demonstrated that by introducing defects in P(VDF-TrFE) through irradiation or introduction of a bulky non-blocking co-monomer unit such as 1,1-chlorofluoroethlene (CFE), the resulting P(VDF-TrFE-CFE) terpolymers transition into a ferroelectric relaxor and demonstrate a large electromechanical coupling and...

Keywords

Extrusion Process Suspension Polymerization Beta Phase PVDF Film Content PVDF 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

This study was partially supported by the NSF award ECCS-0644656. S-J.K. acknowledges the support of the Korean Ministry of Education, Science and Technology (The Regional Core Research Program/Chungbuk BIT Research-Oriented University Consortium).

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Department of Electrical EngineeringColumbia University, New YorkNew YorkUSA
  2. 2.College of Electrical and Computer EngineeringChungbuk National UniversityCheongjuKorea

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