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The fluorocarbon polymer films with regular void structure, made from fluoroethylenepropylene (FEP) and porous polytetrafluoroethylene (PTFE) layers were prepared by using the template patterning and fusion bonding process. After proper corona or contact charging, the films were piezoelectric. The microstructure, mechanical property, piezoelectricity and viscoelasticity of the fabricated films were...
Preparation of piezoelectret films with regular void structure by using a rigid template method is described in this paper. Laminated piezoelectret films with regular void structure are prepared by using porous polytetrafluoroethylene (PTFE) and fluoroethylenepropylene (FEP). The Young's modulus of the laminated regular structure films is determined by dielectric resonance spectra. The quasi-static...
Preparation of piezoelectret films with ordered void structure by using a template method is described. The structure of films consists of two layers of non-porous fluoroethypropylene (FEP) and one layer of non-porous polytetrafluorothylene (PTFE). The piezoelectricity of such fluorocarbon polymer films is investigated by measuring the quasi-static piezoelectric d33 coefficients using positive piezoelectric...
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