NDLI: A novel dielectric elastomer by constructing dual-network structure of carbon nanotubes and rubber nanoparticles in dynamically vulcanized thermoplastic elastomer

Content Provider	Royal Society of Chemistry (RSC)
Author	Zhang, Liqun Wu, Hanguang Wu, Youping Ning, Nanying Tian, Hongchi Tian, Ming Yao, Pengjun
Copyright Year	2016
Abstract	Thermoplastic vulcanizates (TPVs), as a special class of high-performance thermoplastic elastomers (TPEs), consist of a high content (60–80 wt%) of crosslinked rubber particles as the dispersed phase and a low content of a thermoplastic as the matrix. In this study, inspired by the special microstructure of TPVs, we prepared carbon nanotubes (CNTs)/TPV dielectric elastomer composites with a high dielectric constant (k) and low dielectric loss by constructing a dual network formed by rubber and CNTs. The rubber network was formed by a high content of agglomerates of rubber nanoparticles in the TPVs, which simultaneously promoted the formation of a CNTs network at a low content of CNTs in the matrix, to increase the value of k, and hindered the direct connection of CNTs with one another, to decrease the dielectric loss. As a result, the CNTs/TPV composites simultaneously possessed a high value of k and low dielectric loss. Moreover, the elasticity of the composites was improved by the CNTs because of the nanosprings of CNTs. This study provides a new simple and effective strategy for preparing a high-performance dielectric elastomer with a high value of k, low dielectric loss, good mechanical properties, high elasticity, high processability and easy recyclability.
Starting Page	32932
Ending Page	32939
Page Count	8
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	6
Issue Number	39
Journal	RSC Advances
DOI	10.1039/c6ra01463a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Carbon nanotube Relative permittivity Elastomer Dielectric Thermoplastic Composite material
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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