Synthesis of a diazido terminated energetic plasticizer

摘要

Glycidyl azide polymer is a hydroxy-terminated aliphatic polyether containing alkyl azide groups. Such a polymer could be used as a plasticizer in composite explosives, gun and rocket propellants. However, the hydroxyl groups of the polymer react with the isocyanate of the curing agent, thereby eliminating any possible plasticizing effect. This problem is overcome by producing a diazido-terminated glycidyl azide polymer without terminal hydroxyl groups. This useful polymer is produced by reacting polyepichlorohydrin with p-toluenesulfonyl chloride in pyridine, and reacting the resulting tosylated polyepichlorohydrin with sodium azide in dimethylformamide.