Abstract
AbstractIn the present study moisture absorption behavior of titania (TiO2) and silica (SiO2) doped room temperature vulcanized (RTV) silicone rubber (SR) nanocomposites immersed in deionized water, aqueous sodium chloride (NaCl) and nitric acid (HNO3) solution was investigated. It is realized that the diffusion coefficient of the material is high with nanocomposites compared to virgin RTV SR material. To understand the surface condition of the material and characteristic variation in material properties water droplet‐initiated corona inception voltage measurements, atomic force microscopy study, surface potential variation studies, Fourier transform infrared spectroscopy and thermogravimetric analysis was carried out with the virgin and aqueous solution aged specimens. The discharge resistance of the material was analyzed using corona discharge studies. The level of hydrophobicity variations was analyzed through contact angle measurements. The experimental results confirmed that the performance of TiO2 doped RTV SR nanocomposites is superior to the SiO2 doped and virgin RTV SR material.
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