Polysulfide polyurethane–urea-based dielectric composites with CeO<sub>2</sub>-loaded MXene exhibiting high self-healing efficiency

Ma, Ying-Jie; Wang, Jing-Wen; Zhuang, Guo-Chao; Zhang, Yang; Zhang, Zi-Long; Zhang, Ming-Yue; Ji, Guang-Bin

doi:10.1039/d3tc02101g

J. Mater. Chem. C

2023

DOI: 10.1039/d3tc02101g

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Polysulfide polyurethane–urea-based dielectric composites with CeO₂-loaded MXene exhibiting high self-healing efficiency

Ying-Jie Ma,

Jing-Wen Wang,

Guo-Chao Zhuang

et al.

Abstract: To overcome the dilemma of high actuation voltages that prone dielectric elastomer films to breakdown, fabricating films with excellent dielectric properties and high durability is the current focus. Previously reported...

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2024

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Enhancement of dielectric properties of acrylic resin elastomer‐based composites with SiO₂ loaded carbon nanotubes

Ma,

Wang,

Yang

et al. 2024

Polymer Composites

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The inherent balance between dielectric constant and loss restricts the actual usage of dielectric elastomer actuators with high actuation strains, proposing a method that can break this trade‐off has been an urgent query. In this work, silica‐loaded carbon nanotubes (called SiO2@CNT) were prepared as dopants for acrylic resin elastomers (abbreviated as ARE) using the sol–gel method, and the obtained SiO2@CNT/ARE composites reached a dielectric constant of 282.5 at 100 Hz at a filler content of 3.22 vol%, which is 86 times higher than that of the pure ARE, whereas the dielectric loss remains at 0.17. The equilibrium between dielectric constant and loss is broken mainly based on the loading of SiO2 which inhibits the formation of carbon nanotube conductive network and concurrently reinforces the compatibility of the filler with ARE. Such a design offers a generalizable strategy for the subsequent preparation of polymer‐based composite films with excellent dielectric properties.Highlights Preparation of fillers with excellent dispersibility in the organic phase. The ARE‐based composites exhibit excellent dielectric properties at 100 Hz. The mechanism of increase in dielectric constant is explained using two models.

show abstract

Enhancement of dielectric properties of acrylic resin elastomer‐based composites with SiO₂ loaded carbon nanotubes

Ma,

Wang,

Yang

et al. 2024

Polymer Composites

View full text Add to dashboard Cite

show abstract

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Polysulfide polyurethane–urea-based dielectric composites with CeO₂-loaded MXene exhibiting high self-healing efficiency

Abstract: To overcome the dilemma of high actuation voltages that prone dielectric elastomer films to breakdown, fabricating films with excellent dielectric properties and high durability is the current focus. Previously reported...

Cited by 1 publication

References 53 publications

Enhancement of dielectric properties of acrylic resin elastomer‐based composites with SiO₂ loaded carbon nanotubes

Enhancement of dielectric properties of acrylic resin elastomer‐based composites with SiO₂ loaded carbon nanotubes

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Polysulfide polyurethane–urea-based dielectric composites with CeO2-loaded MXene exhibiting high self-healing efficiency

Abstract: To overcome the dilemma of high actuation voltages that prone dielectric elastomer films to breakdown, fabricating films with excellent dielectric properties and high durability is the current focus. Previously reported...

Cited by 1 publication

References 53 publications

Enhancement of dielectric properties of acrylic resin elastomer‐based composites with SiO2 loaded carbon nanotubes

Enhancement of dielectric properties of acrylic resin elastomer‐based composites with SiO2 loaded carbon nanotubes

Contact Info

Product

Resources

About

Polysulfide polyurethane–urea-based dielectric composites with CeO₂-loaded MXene exhibiting high self-healing efficiency

Enhancement of dielectric properties of acrylic resin elastomer‐based composites with SiO₂ loaded carbon nanotubes

Enhancement of dielectric properties of acrylic resin elastomer‐based composites with SiO₂ loaded carbon nanotubes