Dielectric Response and Dynamic Mechanical Analysis of PHBV-TiO2 Nanocomposites
PROCEEDINGS OF THE 2020 3RD IEEE INTERNATIONAL CONFERENCE ON DIELECTRICS (ICD 2020)(2020)
Abstract
This work analyzes the influence of nano-TiO 2 type and concentration on molecular motions and dielectric behavior of poly(hydroxybutyrate-co- hydroxyvalerate) (PHBV) biodegradable polymer. The dielectric spectra of the real and imaginary permittivities, were measured at 30 °C and over a frequency range of 10 -2 -10 6 Hz and were analyzed in connection with the dynamic-mechanical properties, storage modulus and loss factor, recorded from -50 °C to 150 °C. Dielectric and viscoelastic behaviors of the nanocomposites depend on the filler type (rutile or anatase) and their concentration in the PHBV matrix.
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Key words
dynamic mechanical analysis,2 nanocomposites,molecular motions,dielectric spectra,imaginary permittivities,storage modulus,loss factor,viscoelastic behaviors,filler type,anatase,PHBV matrix,PHBV-TiO2 nanocomposites,poly(hydroxybutyrate-co-hydroxyvalerate),PHBV biodegradable polymer,rutile,temperature -50.0 degC to 150.0 degC,TiO2
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