Simultaneous stretching and static electric field poling of poly(vinylidene fluoride-hexafluoropropylene) copolymer films

被引：44
|
作者：
Huan, Yan
Liu, Yayan [1 ]
Yang, Yifei
机构：
[1] Chinese Acad Sci, Inst Appl Chem, Green Chem & Proc Lab, Changchun 130022, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
POLYMER ENGINEERING AND SCIENCE | 2007年 / 47卷 / 10期
关键词：
D O I：
10.1002/pen.20843
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Poly(vinylideneflouride-hexafluoropropylene) (PVDF-HFP) copolymer films were simultaneously stretched and static electric poled (SSSEP) in seriate mode. The experimental results exhibited that SSSEP greatly enhanced the piezoelectric properties of the PVDF-HFP films and slightly increased the dielectric properties of the films. The maximum piezoelectric coefficient d(33) 24 pC/N higher than the reported was obtained in these films under optimum condition. Based on the wide angle X-ray diffraction results, the SSSEP films showed more organized crystalline structure than the only stretched films.
引用
收藏
页码：1630 / 1633
页数：4
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