Insulation for a rocket motor is provided, as is a method for insulating a rocket motor. The insulation includes a cured elastomer and vapor grown carbon fibers dispersed in the cured elastomer. The cured elastomer is preferably formed from a precursor composition comprising an EPDM terpolymer. Generally, the vapor grown carbon fibers have an internal graphitized tube surrounded by a sheath of vapor deposited amorphous carbon.
提供了火箭发动机的隔热材料和火箭发动机的隔热方法。隔热材料包括固化弹性体和分散在固化弹性体中的气相生长碳纤维。固化弹性体最好由包含三元
乙丙橡胶三元共聚物的前体组合物形成。一般来说,气相生长碳纤维有一个内部石墨化管,周围有一层气相沉积无定形碳鞘。