Optimization of silicone rubber materials for high voltage switchgear and study on characteristic gas of thermal decomposition

Abstract In this paper, three kinds of silicone rubber materials, methyl rubber, phenyl and fluorosilicone are used as the research object, contact angle tester, thermal conductivity insulation resistance differential scanning calorimeter thermogravimetric analyzer to explore effect side groups on properties rubber. The results show that materials is poor, but they all have good hydrophobicity, stability. Among them, shows better hydrophobicity addition, type relative content characteristic gases decomposition at different temperatures analyzed in detail by gas chromatography mass spectrometer. C6H18O3Si3 C8H24O4Si4 common