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(Color online) Polarization-electric field (D-E) response under 10 Hz at room temperature of (a) P(VDF-CTFE) 91/9 mol. %, (b) P(VDF-CTFE)/ECTFE 67/33 wt. % blends, and (c) P(VDF-CTFE)/ECTFE 67/33 wt. % blends with crosslinking under uni-electric fields (different curves correspond to driving fields of different amplitude). For the comparison, the D-E response of a commercial biaxially oriented polypropylene film is also presented in (c). The lower curve in each charging-discharging curve is the charging curve and upper curve is the discharging curve.
Schematic of polarization-electric field response and related electrical energy densities: area I corresponds to the discharged energy density and area II is the energy loss density.
(Color online) (a) Discharged energy densities and (b) high field losses of pure P(VDF-CTFE) and blends films as a function of applied field amplitude.
(Color online) DSC data of (a) P(VDF-CTFE), (b) ECTFE, (c) crosslinked P(VDF-CTFE), (d) crosslinked ECTFE, (e) P(VDF-CTFE)/ECTFE 67/33 wt. % blends, and (f) Crosslinked P(VDF-CTFE)/ECTFE 67/33 wt. % blends.
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