Effect of UV Radiation on Liquid Silicone Rubber

被引：0

作者：

Wang, Qian ^{[1
]}

Liang, Xidong ^{[1
]}

Bao, Weining ^{[1
]}

Jiang, Tingyu ^{[1
]}

Li, Shaohua ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Control & Simulat Power Syst & Gene, Beijing, Peoples R China

来源：

2018 IEEE INTERNATIONAL CONFERENCE ON HIGH VOLTAGE ENGINEERING AND APPLICATION (ICHVE) | 2018年

关键词：

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

SiR (Silicone rubber) composite insulators are widely used in China due to their characteristics like excellent anti-polluting-flashover performance, lighter weight, easy transportation and installation. In addition to HTV (high-temperature vulcanized silicone rubber) and RTV (room-temperature vulcanized silicone rubber), LSR (liquid silicone rubber) material is increasingly used for high voltage external insulation in recent years. Outdoor insulators are exposed to long-term sunlight. UV (ultraviolet) radiation may cause the fracture of silicone rubber, the changes of internal structure, even oxidation and degradation reactions. Therefore, the aging characteristics of LSR under UV radiation is very noteworthy, where there is still a lack of research. In this paper, 1000h continuous aging were conducted using accelerated UV aging apparatus. The changes of static contact angle, hydrophobic transfer ability and Shore hardness during the test were measured, and fitting formulas were given. Besides, the micro-physicochemical characteristics were analyzed by FTIR and XPS. Finally, UV aging results of LSR and HTV were compared.

引用

页数：4

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