Characterization and development of P(VDF-TrFE) based high performance electroactive terpolymers

D. Olson, H. S. Xu, Hengfeng Li, Z. Y. Cheng, Q. M. Zhang, R. Ting, G. Abdul-Sedat, K. D. Belfield, T. Ramotowski, R. Hughes, G. Kavarnos

    Research output: Contribution to journalConference articlepeer-review

    1 Scopus citations


    The structural properties of a class of relaxor ferroelectric polymer, poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) [P(VDF-TrFE-CFE)] terpolymer, were investigated and compared with those of the poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] copolymer, the electron-irradiated copolymer, and the chlorotrifluoroethylene (CTFE) based terpolymer. The experimental results suggest that the random incorporation of the bulky chlorofluoroethylene (CFE) monomer into the polymer chain introduces random defect fields, thus randomizing the inter- and intra-chain polar coupling and breaking the large polar domains into smaller domain sizes. Furthermore, CFE also favors intra-chain trans-gauche conformation. As a result, high electrostrictive strain (>5%) was obtained for the terpolymer with a small mol% of CFE.

    Original languageEnglish (US)
    Pages (from-to)191-196
    Number of pages6
    JournalMaterials Research Society Symposium - Proceedings
    StatePublished - 2002
    EventElectronactive Polymers and Rapid Prototyping - Boston, MA, United States
    Duration: Nov 26 2001Nov 30 2001

    All Science Journal Classification (ASJC) codes

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanics of Materials
    • Mechanical Engineering


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