Scholarlink

Liquid Silicone Rubber (LSR) is a high-performance silicone material characterized by excellent electrical insulation, outstanding mechanical properties and superior processing performance. Consequently, it is widely used in the fabrication of medium and high-voltage direct current cable accessories. However, the contact interface between LSR and cross-linked polyethylene, the primary cable insulation material, often becomes an electrical weak spot due to mismatched insulation parameters. This study utilizes inorganic nanofillers, titanium dioxide (TiO2) and boron nitride (BN), to modify LSR and prepare composites. The electrical properties of TiO2/LSR and BN/LSR composites with various doping concentrations were investigated. Furthermore, TiO2/BN/LSR composites were fabricated via co-doping. The results demonstrate that the prepared TiO2/BN/LSR composites not only exhibit favorable nonlinear conductivity but also possesses enhanced breakdown strength.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Study on the Insulation Performance of TiO2 and BN Co-doped Liquid Silicone Rubber Composites

  • 会议论文

  • 发表日期：

    2026年

查看全文
  • Xu Tian,
  • Zhiqiang Wang,
  • Ziyang Liu,
  • Zhaotong Meng

摘要

Liquid Silicone Rubber (LSR) is a high-performance silicone material characterized by excellent electrical insulation, outstanding mechanical properties and superior processing performance. Consequently, it is widely used in the fabrication of medium and high-voltage direct current cable accessories. However, the contact interface between LSR and cross-linked polyethylene, the primary cable insulation material, often becomes an electrical weak spot due to mismatched insulation parameters. This study utilizes inorganic nanofillers, titanium dioxide (TiO2) and boron nitride (BN), to modify LSR and prepare composites. The electrical properties of TiO2/LSR and BN/LSR composites with various doping concentrations were investigated. Furthermore, TiO2/BN/LSR composites were fabricated via co-doping. The results demonstrate that the prepared TiO2/BN/LSR composites not only exhibit favorable nonlinear conductivity but also possesses enhanced breakdown strength.