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Use of Grafted Voltage Stabilizer to Enhance Dielectric Strength of Cross-Linked Polyethylene

Aromatic voltage stabilizers can improve the dielectric properties of cross-linked polyethylene (XLPE); however, their poor compatibility with XLPE hinders their practical application. Improving the compatibility of aromatic voltage stabilizers with XLPE has, therefore, become a new research goal. H...

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Detalles Bibliográficos
Autores principales: Dong, Wei, Wang, Xuan, Tian, Bo, Liu, Yuguang, Jiang, Zaixing, Li, Zhigang, Zhou, Wei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6401897/
https://www.ncbi.nlm.nih.gov/pubmed/30960160
http://dx.doi.org/10.3390/polym11010176
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author Dong, Wei
Wang, Xuan
Tian, Bo
Liu, Yuguang
Jiang, Zaixing
Li, Zhigang
Zhou, Wei
author_facet Dong, Wei
Wang, Xuan
Tian, Bo
Liu, Yuguang
Jiang, Zaixing
Li, Zhigang
Zhou, Wei
author_sort Dong, Wei
collection PubMed
description Aromatic voltage stabilizers can improve the dielectric properties of cross-linked polyethylene (XLPE); however, their poor compatibility with XLPE hinders their practical application. Improving the compatibility of aromatic voltage stabilizers with XLPE has, therefore, become a new research goal. Herein 1-(4-vinyloxy)phenylethenone (VPE) was prepared and characterized. It can be grafted onto polyethylene molecules during the cross-linking processes to promote stability of the aromatic voltage stabilizers in XLPE. Fourier transform infrared spectroscopy confirmed that VPE was successfully grafted onto XLPE, and effectively inhibited thermal migration. Thermogravimetric analysis showed that the grafted VPE/XLPE composite exhibits a better thermal stability than a VPE/PE blend composite. Evaluation of the electrical properties showed that the breakdown strength and electrical tree initiation voltage of the VPE/XLPE composite were increased by 15.5% and 39.6%, respectively, when compared to those of bare XLPE. After thermal aging, the breakdown strength and electrical tree initiation voltage of the VPE/XLPE composite were increased by 9.4% and 25.8%, respectively, in comparison to those of bare XLPE, which indicates that the grafted voltage stabilizer can effectively inhibit its migration and enhance the stability of the composite material.
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spelling pubmed-64018972019-04-02 Use of Grafted Voltage Stabilizer to Enhance Dielectric Strength of Cross-Linked Polyethylene Dong, Wei Wang, Xuan Tian, Bo Liu, Yuguang Jiang, Zaixing Li, Zhigang Zhou, Wei Polymers (Basel) Communication Aromatic voltage stabilizers can improve the dielectric properties of cross-linked polyethylene (XLPE); however, their poor compatibility with XLPE hinders their practical application. Improving the compatibility of aromatic voltage stabilizers with XLPE has, therefore, become a new research goal. Herein 1-(4-vinyloxy)phenylethenone (VPE) was prepared and characterized. It can be grafted onto polyethylene molecules during the cross-linking processes to promote stability of the aromatic voltage stabilizers in XLPE. Fourier transform infrared spectroscopy confirmed that VPE was successfully grafted onto XLPE, and effectively inhibited thermal migration. Thermogravimetric analysis showed that the grafted VPE/XLPE composite exhibits a better thermal stability than a VPE/PE blend composite. Evaluation of the electrical properties showed that the breakdown strength and electrical tree initiation voltage of the VPE/XLPE composite were increased by 15.5% and 39.6%, respectively, when compared to those of bare XLPE. After thermal aging, the breakdown strength and electrical tree initiation voltage of the VPE/XLPE composite were increased by 9.4% and 25.8%, respectively, in comparison to those of bare XLPE, which indicates that the grafted voltage stabilizer can effectively inhibit its migration and enhance the stability of the composite material. MDPI 2019-01-20 /pmc/articles/PMC6401897/ /pubmed/30960160 http://dx.doi.org/10.3390/polym11010176 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Communication
Dong, Wei
Wang, Xuan
Tian, Bo
Liu, Yuguang
Jiang, Zaixing
Li, Zhigang
Zhou, Wei
Use of Grafted Voltage Stabilizer to Enhance Dielectric Strength of Cross-Linked Polyethylene
title Use of Grafted Voltage Stabilizer to Enhance Dielectric Strength of Cross-Linked Polyethylene
title_full Use of Grafted Voltage Stabilizer to Enhance Dielectric Strength of Cross-Linked Polyethylene
title_fullStr Use of Grafted Voltage Stabilizer to Enhance Dielectric Strength of Cross-Linked Polyethylene
title_full_unstemmed Use of Grafted Voltage Stabilizer to Enhance Dielectric Strength of Cross-Linked Polyethylene
title_short Use of Grafted Voltage Stabilizer to Enhance Dielectric Strength of Cross-Linked Polyethylene
title_sort use of grafted voltage stabilizer to enhance dielectric strength of cross-linked polyethylene
topic Communication
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6401897/
https://www.ncbi.nlm.nih.gov/pubmed/30960160
http://dx.doi.org/10.3390/polym11010176
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