Based on the analysis of stabilizing mechanism, hindered phenolic antioxidant such as BHT was suggested to be the best stabilizer for polyurethane binder in propellant.

• 稳定剂的稳定效果反映了各类稳定剂的作用机理，阻位酚类抗氧剂是比较明确的可用于推进剂中聚氨酯粘结剂的稳定剂。