Synthesis of a diazido terminated energetic plasticizer

Details Synthesis of a diazido terminated energetic plasticizer Synthesis of a diazido terminated energetic plasticizer

1990-10-23

1992-06-23

Brust, Joseph P.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azides

C07C24704

Patent

active

051244632

ABSTRACT:
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.

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patent: 4891438 (1990-01-01), Ahad
patent: 4937361 (1990-06-01), Wagner et al.
patent: 4962213 (1990-10-01), Frankel et al.

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