Synthesis and Characterization of Electrically Conductive Silicone Rubber – TiB2 Composites

Electrically conductive composites using silicone rubber, carbon and titanium diboride (TiB₂) are synthesized with conventional mixing methods. TiB₂ (micron size) and 10 parts per hundred parts of rubber of conductive carbon black are used to make the composites with HTV silicone rubber with curing at appropriate temperature and pressure. The otherwise highly insulating silicone rubber exhibits a sharp drop in resistance  from ~ 10¹⁵Ω to 1 – 2 kΩ .The properties such as physical, short term stress and strain , dynamic impact of the composites are found to be negligibly altered.