The oxidative reaction induction time( t i) was calculated with Doyle equation,then the contents of two antioxidants(H and At 215)for HTPB were evaluated.

• 运用Dolye公式求出了氧化反应诱导期ti，由此确定防老剂H和抗氧剂At－215的最佳含量，At－215对HTPB的防老化作用优于防老剂H。