摘要
研究氧化铝和碳化硅填充硅橡胶的导热性能。结果表明:采用不同粒径碳化硅填充硅橡胶时,随着碳化硅用量的增大,硅橡胶的热导率逐渐增大;在相同填料用量下,粒径小的碳化硅填充硅橡胶热导率高于粒径大的碳化硅填充胶;氧化铝/碳化硅并用填充硅橡胶的导热性能优于单用氧化铝填充胶;当氧化铝/碳化硅质量比为8:2、填充量为600份时,硅橡胶的导热性能最佳。
The thermal conductivity of silicone rubber filled with alumina and silicon carbide was investigated. The results showed that, by using silicon carbide with different particle sizes to fill sili- cone rubber, as the addition level of silicon carbide increased, the thermal conductivity of silicone rub- ber increased gradually. At the same content of silicon carbide, the thermal conductivity of silicone rub- ber filled with particles having smaller size was higher. The thermal conductivity of silicone rubber filled with alumina/silicon carbide blend was better than that filled with only alumina. It was found the optimized addition level of filler was 600 phr in which the mass ratio of alumina/silicon carbide was 8：2.
出处
《橡胶工业》
CAS
北大核心
2014年第9期532-535,共4页
China Rubber Industry
关键词
硅橡胶
氧化铝
碳化硅
导热性能
silicone rubber
alumina
silicon carbide
thermal conductivity
