Giant electrostrictive response in poly(vinylidene-fluoride hexafluoropropylene) copolymer

被引：0
|
作者：
Lu, XY [1 ]
Schirokauer, A [1 ]
Scheinbeim, J [1 ]
机构：
[1] Rutgers State Univ, Dept Chem & Biochem Engn, Piscataway, NJ 08855 USA
来源：
ELECTROACTIVE POLYMERS (EAP) | 2000年 / 600卷
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D O I：
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In the present study, the strain response of a new class of copolymers of PVF2 is investigated. Electrostrictive strains were measured in poly(vinylidene-fluoride hexafluoropropylene), P(VF2-HFP), using a capacitance method (air-gap capacitor), as a function of electric field. Three different thermal treatments (ice water quenched, air quenched and slow cooled) were given to samples of composition 5% and 15% HFP. Strains greater than 4 % were observed in the 5% HFP ice water quenched P(VF2-HFP) copolymer. Values of elastic modulus were lower for the quenched 5 % films than for the slow cooled ones, and in both cases they were higher than previously studied polyurethane elastomers and poly(vinylidene-fluoride trifluoroethylene) copolymers. Key words: Electrostrictive Polymer, Poly(vinylidene-fluoride hexafluoropropylene) copolymer, Ferroelectic, X-ray, DSC.
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页码：61 / 69
页数：9
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