Nitrogen-rich energetic polymers were synthesized by the polyaddition reaction of 1,2-bis(5-monomethylhydrazinyl-1H-tetrazolyl)ethane (1a), 1-methyl-1,2-bis(5-monomethylhydrazinyl-1H-tetrazolyl)ethane (1b), and 1,4-bis(5-mono-methylhydrazinyl-1H-tetrazolyl)butane (1c) with hexamethylene diisocyanate. The experiments showed that neither a polymerization from solution or bulk was possible. Therefore, a new method for the polymerization of tetrazolyl hydrazines had to be developed. The formed polymers were characterized by vibrational spectroscopy (IR) and elemental analysis. The energetic properties were investigated by bomb calorimetric measurements along with calculations using the EXPLO5 software. The thermal stability was investigated by DSC measurements. The properties render the polymers into promising compounds regarding an application as energetic binder. © 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 122–127, 2010
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