Facile Synthesis of Glycidyl Azide Polymer (GAP) in a Tetrabutylammonium Bromide/Ethylene Glycol Based Deep Eutectic Solvent.

Glycidyl azide polymer (GAP) is an energetic material used in composite solid rocket propellants. Herein, a novel synthetic method for GAP was introduced using a tetrabutylammonium bromide and ethylene glycol‐based deep eutectic solvent (DES). Using this DES combination, the azidation of poly(epichlorohydrin) was successfully conducted within several hours. This strategy eliminates the use of organic solvents during the entire synthetic process and provides the advantage of recovery and reuse of the DES. [ABSTRACT FROM AUTHOR]