TITLE

Enhancement of dielectric energy density in the poly(vinylidene fluoride)-based terpolymer/copolymer blends

AUTHOR(S)
Baojin Chu; Neese, Bret; Minren Lin; Sheng-guo Lu; Zhang, Q. M.
PUB. DATE
October 2008
SOURCE
Applied Physics Letters;10/13/2008, Vol. 93 Issue 15, p152903
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This paper investigates dielectric properties of the blends of poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) terpolymer and poly(vinylidene fluoride-chlorotrifluoroethylene) copolymer. The high field (>50 MV/m) polarization response of the blends with a small amount of copolymer (5 and 10 wt % copolymer) is higher than that of the neat terpolymer due to the interface contribution. At the same time the breakdown field was also greatly improved by mixing a small amount of the copolymer with the terpolymer. Consequently, a higher energy density of about 11.5 J/cm3 is obtained in these blends in contrast to about 9 J/cm3 in the terpolymer.
ACCESSION #
34984719

 

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