Octavinyl polyhedral oligomeric silsesquioxane on tailoring the DC electrical characteristics of polypropylene

This work reports the effect of octavinyl polyhedral oligomeric silsesquioxane (OvPOSS) on tuning electrical performance polypropylene (PP). OvPOSS with different content are introduced into PP using solution method. The microstructural morphology, crystallinity behaviour, breakdown strength, DC conductivity, space charge formation, and trapping level distribution measured. results indicate that nanofiller can be dispersed uniformly a doping 2.0 phr or less. conductivity is decreased, strength OvPOSS/PP nanocomposites significantly increased. accumulation suppressed due to introduction deeper traps by nanofiller. Finally, experimental demonstrate greatly increase base have much potential for HVDC applications. They further environmental-friendly its thermo-plastic property, which recycled after manufacture.