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International Journal of New Developments in Engineering and Society, 2024, 8(1); doi: 10.25236/IJNDES.2024.080111.

Effect of the addition of nano-SiO2 particles with different contents on the dielectric properties of polyacrylate composites


Wenyi Liu, Tian He

Corresponding Author:
Tian He

College of Mechanical and Electrical Engineering, Qingdao University, Qingdao, 266071, China


Dielectric elastomer (DE) is a class of electro-driven flexible smart polymer materials, often using polyacrylate as an elastomer material. Unmodified acrylates typically have a low dielectric constant, resulting in high drive voltages, low breakdown field strengths, and low electrical induced strain. In this study, SiO2 nanoparticles were added to polyacrylate (CN 9021NS) to study the effect of nanoparticles on the dielectric properties of composites, and the frequency dependence of dielectric constant and dielectric loss was analyzedIt is concluded that the addition of SiO2 nanoparticles to polyacrylate can effectively increase the dielectric constant of the composites, but it will also lead to an increase in dielectric loss. When the nano-SiO2 particle content is 10 wt%, although it will lead to an increase in dielectric loss, it has the highest dielectric constant of 8.35, which is 1.165 times that of the elastomer prepared by the original CN 9021NS.


Dielectric Elastomers; Polyacrylates; Nanoparticles; Dielectric Properties

Cite This Paper

Wenyi Liu, Tian He. Effect of the addition of nano-SiO2 particles with different contents on the dielectric properties of polyacrylate composites. International Journal of New Developments in Engineering and Society (2024) Vol.8, Issue 1: 72-79. https://doi.org/10.25236/IJNDES.2024.080111.


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