Strain Effect on Dielectricity of Elastic Thermoplastic Polyurethanes
Yubo Wang,
Huali Yang,
Yali Xie
et al.
Abstract:Dielectric elastomers, such as thermoplastic polyurethanes (TPUs), are widely used as the dielectric layer, encapsulation layer, and substrate of flexible and stretchable devices. To construct capacitors and actuators that work stably upon deformation, it has become urgent to investigate the evolution of dielectricity under stress and strain. However, the lack of effective methods for estimating the dielectric constant of elastomers under strain poses a big challenge. This study reports a device for the in sit… Show more
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