NDLI: Influence of temperature on the hydrophobicity of silicone rubber surfaces [outdoor insulator applications]

Content Provider	IEEE Xplore Digital Library
Author	Zhenyu Li Xidong Liang Yuanxiang Zhou Jing Tang Jifeng Cui Yaxin Liu
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. Eng., Tsinghua Univ., Beijing, China (Zhenyu Li; Xidong Liang; Yuanxiang Zhou; Jing Tang)
Abstract	The hydrophobicity status of silicone rubber (SIR) is affected by various factors. In order to study the influence of temperature on the hydrophobicity of silicone rubber, three kinds of SIR samples, which are clean surface, contaminated, and corona treated ones, were used. The static contact angle of a water droplet on the surface of the SIR was measured and was used in the evaluation of hydrophobicity. Based on the hydrophobicity, hydrophobicity transfer property and hydrophobicity recovery property, the influence of temperature on the hydrophobicity of silicone rubber was discussed. The experimental results showed that the hydrophobicity of the SIR material decreases with a decrease in temperature, with the transfer and recovery rate of hydrophobicity also decreasing, simultaneously. This paper considered that the change of surface free energy of SIR with temperature is a main reason for the presence of temperature-dependent hydrophobicity and the different hydrophobicity transfer properties are inherently related with the transfer speed of low molecule weight (LMW) components at different temperatures.
Starting Page	679
Ending Page	682
File Size	188902
Page Count	4
File Format	PDF
ISBN	0780385845
DOI	10.1109/CEIDP.2004.1364341
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature Rubber Pollution measurement Testing Water pollution Surface contamination Corona Insulation Electrodes Surface cleaning
Content Type	Text
Resource Type	Article

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