Electromechanical properties of poly(vinylidene-fluoride-chlorotrifluoroethylene) copolymer
作者： Zhimin Li , Yuhong Wang , Z.-Y. Cheng
DOI: 10.1063/1.2170425
关键词:
摘要: The electromechanical response of poly(vinylidene-fluoride-chlorotrifluoroethylene) [P(VDF-CTFE)] copolymers with 9 mol % (CT9) and 12 CTFE (CT12) is reported. CT12 (at room temperature) exhibits an electrostrictive strain more than 5% a piezoelectric constant d33 140pC∕N at dc bias 70MV∕m. It found that about 70% crystalline regions in P(VDF-CTFE) the nonpolar phase CT9 has crystallinity 25% higher CT12. difference performance between cannot be completely explained using structure/conformation change alone. believed contribution interfacial layers to polarization plays important role.
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