ATH填料粒径对RTV橡胶涂料性能的影响

Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93) Pub Date : 1993-10-17 DOI:10.1109/CEIDP.1993.378907

H. Deng, E. Cherney, R. Hackam

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引用次数: 21

摘要

在盐雾室中，研究了三水合氧化铝(ATH)的粒径对玻璃纤维棒绝缘子室温硫化涂层性能的影响。利用衰减全反射傅里叶变换红外光谱(FTIR)对表面进行检查，并结合电流脉冲计数的测定，表明颗粒尺寸对ath填充RTV涂层的性能有显著影响。孔径为4.5 μ m和13 μ m /spl μ m的涂层具有最低的泄漏电流脉冲数和最长的失效时间。对扩散到表面的硅流体的红外光谱测量表明，硅流体在这两种粒径下的表现更为明显。

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Effects of particles size of ATH fillers on the performance of RTV rubber coatings

The authors present a study of the effects of the particle size of ATH (alumina trihydrate) on the performance of RTV (room-temperature vulcanizing) coatings on fiber glass rod insulators under contamination and wet conditions in a salt-fog chamber. Examination of the surface using attenuated total reflection Fourier transform infrared (FTIR) spectroscopy coupled with determination of the current pulse counts indicates a significant effect of the particle size on the performance of ATH-filled RTV coatings. The best performance leading to the lowest leakage current pulse counts and the longest time to failure was obtained with coatings having 4.5 and 13 /spl mu/m sizes of ATH particles. Measurement of the IR spectra of silicone fluid diffused to the surface shows that the silicone fluid was more pronounced with these two particle sizes.<>

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Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93)

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