Title :
Piezoelectricity of PVDF/PUE, PVDF/PMMA and PVDF/PMMA+BaTiO3 laminates
Author_Institution :
Dept. of Phys., Higher Coll. of Eng., Zielona Gora, Poland
fDate :
8/1/1992 12:00:00 AM
Abstract :
Preparation of piezoelectric laminates by using PVDF polymer film (a), polyester urethane elastomer film (b), PMMA film (c), and (PMMA+BaTiO3) composite film (d) is proposed. Three-layered-structure systems of (aba), (aca), and (ada) have been made and conventional electrets based on these laminates have been prepared. The modification of internal layers in the systems leads to a change of their dielectric properties and also the mechanical parameters which determine the piezoelectricity. The origins of piezoelectricity in these systems have been considered on the basis of TSD thermograms
Keywords :
laminates; piezoelectric materials; polymer films; thermally stimulated currents; PMMA film; PVDF polymer film; TSD thermograms; composite film; dielectric properties; electrets; mechanical parameters; piezoelectric laminates; piezoelectricity; polyester urethane elastomer film; preparation; Capacitive sensors; Composite materials; Electrets; Laminates; Physics; Piezoelectric films; Piezoelectric materials; Piezoelectric polarization; Piezoelectricity; Polymer films;
Journal_Title :
Electrical Insulation, IEEE Transactions on
