Fabrication and actuation characterisation of a new UV curing acrylic dielectric elastomer

IF 3.8 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IET Nanodielectrics Pub Date : 2022-03-12 DOI:10.1049/nde2.12035
Wen-Zhuo Dong, Yu Zhao, Li-Juan Yin, Zhi-Min Dang
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引用次数: 5

Abstract

Most commonly used dielectric elastomers (DEs) such as acrylic dielectric elastomers VHBTM 4910 need a high actuation voltage and pre-stretching to obtain a large actuation strain, and present high mechanical loss caused by viscoelasticity. In this work, we fabricated a new acrylic elastomer by UV curing based on CN9021 and lauryl acrylate. By manipulating crosslinker content, crosslink density changed and physical entanglements of the new material can be affected. Therefore, mechanical properties such as Young's Modulus and mechanical loss of the new material can be controlled, and little change of its glass transition temperature was induced. Results of the actuation test show that the new DE is capable of 9.0% actuation area strain under 11 kV/mm and a good performance under oscillating voltage with different waveforms and frequencies.

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一种新型紫外光固化丙烯酸介电弹性体的制备及其致动特性
最常用的介电弹性体(DEs),如丙烯酸介电弹性体VHBTM 4910,需要高的驱动电压和预拉伸才能获得较大的驱动应变,并且存在高的粘弹性引起的机械损失。本文以CN9021和丙烯酸月桂酯为基料,采用紫外光固化法制备了一种新型丙烯酸弹性体。通过改变交联剂的含量,可以改变交联剂的密度,从而影响新材料的物理缠结。因此,新材料的杨氏模量和力学损失等力学性能可以得到控制,且玻璃化转变温度变化不大。驱动试验结果表明,在11 kV/mm下,新型DE的驱动区域应变为9.0%,在不同波形和频率的振荡电压下具有良好的性能。
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来源期刊
IET Nanodielectrics
IET Nanodielectrics Materials Science-Materials Chemistry
CiteScore
5.60
自引率
3.70%
发文量
7
审稿时长
21 weeks
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