NDLI: Thermal degradation of Pb(Zr$_{0.53}$Ti$_{0.47}$ )O$_{3}$/poly(vinylidene fluoride) composites as a function of ceramic grain size and concentration

Content Provider	Springer Nature Link
Author	Mendes, Sérgio Firmi Costa, Carlos Miguel Sencadas, Vitor Pereira, Mário Wu, Aiying Vilarinho, Paula Maria Gregorio, Rinaldo Lanceros Méndez, Senentxu
Copyright Year	2013
Abstract	Poly(vinylidene fluoride)/Pb(Zr$_{0.53}$Ti$_{0.47}$)O$_{3}$,([PVDF]$_{1−x}$/[PZT]$_{x}$) composites of volume fractions x and (0–3) type connectivity were prepared in the form of thin films. PZT powders with average grain sizes of 0.2, 0.84, and 2.35 μm in different volume fraction of PZT up to 40 % were mixed with the polymeric matrix. The influence of the inorganic particle size and its content on the thermal degradation properties of the composites was then investigated by means of thermo-gravimetric analysis. It is observed that filler size affects more than filler concentration the degradation temperature and activation energy of the polymer. In the same way and due to their larger specific area, smaller particles leave larger solid residuals after the polymer degradation. The polymer degradation mechanism is not significantly modified by the presence of the inorganic fillers. On the other hand, an inhibition effect occurs due to the presence of the fillers, affecting particularly the activation energy of the process.
Starting Page	757
Ending Page	763
Page Count	7
File Format	PDF
ISSN	13886150
Journal	Journal of thermal analysis
Volume Number	114
Issue Number	2
e-ISSN	15728943
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-02-08
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Functional composites Polymer-matrix composites Smart materials Thermal properties Thermogravimetric analysis Physical Chemistry Analytical Chemistry Polymer Sciences Inorganic Chemistry Measurement Science and Instrumentation
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Condensed Matter Physics

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