Direct evidence for ferroelectric switching in poly(vinylidene fluoride) and poly(vinylidene fluoride-trifluoroethylene) crystals
β Scribed by Yoshiyuki Takahashi; Yoshitsugu Nakagawa; Hideki Miyaji; Kenjiro Asai
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1987
- Tongue
- English
- Weight
- 284 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0887-6258
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Thermoreversible gelation behavior of blend of poly(viny1idene fluoride) and poly(viny1idene fluoride-trifluoroethylene) in y-butyrolactone solution was studied. Sol-gel transition temperature increased with the increase of polymer concentration, but was independent of the blend ratio of two polymer
The ferroelectric and piezoelectric properties of melt-quenched unoriented poly(vinylidene fluoride-trifluoroethylene) (73 : 27) copolymer films as a function of the number of poling cycles have been studied. The investigation revealed that quenched films exhibit a decrease in D-E hysteresis behavio