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Characterization of ADN/GAP-based and ADN/desmophen-based propellant formulations and comparison with AP analogues

: Cerri, Sara; Bohn, Manfred A.; Menke, Klaus; Galfetti, Luciano


Propellants, explosives, pyrotechnics 39 (2014), Nr.2, S.192-204
ISSN: 0340-7462
ISSN: 0721-3115
ISSN: 1521-4087
Fraunhofer ICT ()

Several ADN-based rocket propellant formulations containing different pre-polymers (GAP diol/triol, Desmophen® 2200), curing agents (BPS, Desmodur® N100, Desmodur® N3400), plasticizers (BDNPA-F, TMETN), and filler types (Al, HMX) have been manufactured. Propellant formulations were characterized by tensile tests, SEM analyses and DMA measurements. The study has focused on characterizations of the propellants in terms of evaluation of the strength and strain capability, investigation of the presence/absence of dewetting phenomena, compatibility issues and evaluation of the glass transition temperature. Ammonium perchlorate-based propellant formulations have also been manufactured and analyzed in order to make comparisons. Aging was investigated using mass loss measurements.