NDLI: The influence of temperature on the recovery of the hydrophobicity on silicone rubber surfaces

Content Provider	IEEE Xplore Digital Library
Author	Jahn, H. Barsch, R. Wendt, E.
Copyright Year	2000
Description	Author affiliation: Hochschule Zittau/Gorlitz, Univ. of Appl. Sci., Germany (Jahn, H.)
Abstract	The surface hydrophobicity of silicone rubbers can decrease by the influence of partial discharges (corona) or by the pollution with hydrophilic layers. These phenomena can be simulated in a laboratory. In this paper methods for the application of corona discharges and for the evaluation of the transfer of the hydrophobicity are presented. The hydrophobicity of different silicone rubbers was investigated with these methods. The influence of additional low molecular weight silicone fluids (LMW) was also investigated. The evaluation of the hydrophobicity was realized by measuring the dynamic receding angles. It was found that the hydrophobicity of silicone rubber decreases by corona treatment in a short time. The recovery of the hydrophobicity and the hydrophobicity transfer were evaluated at different temperatures. It was found that the temperature strongly influences the recovery after corona treatment and also the hydrophobicity transfer. At temperatures approaching 0/spl deg/C the hydrophobicity recovery was significantly decreased.
Starting Page	242
Ending Page	245
File Size	272106
Page Count	4
File Format	PDF
ISBN	0780364139
DOI	10.1109/CEIDP.2000.885272
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-15
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature Rubber Corona Pollution measurement Surface discharges Time measurement Insulation Loss measurement Goniometers Surface contamination
Content Type	Text
Resource Type	Article

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