Formulation and Properties of ADN/GAP propellants

doi:10.1002/prep.200900013

Formulation and Properties of ADN/GAP propellants

Menke K
Heintz T
Schweikert W

et al.

Propellants, Explosives, Pyrotechnics (2009) 34(3) 218-230

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Abstract

In this contribution two ways are described, how it is possible to achieve perfectly cured and processible propellants with prilled ADN, low amts. of HMX 5 μm mps and a binder system based on GAP diole and GAP triole oligomers with and without TMETN as a nitrate ester plasticizer. It was shown how it will be possible to suppress the strongly gas forming reaction between ADN and reactive isocyanates by a mixt. of stabilizers. In this way it was possible to create min. smoke ADN/HMX/GAP/TMETN propellants cured with the triisocyanate N100. In the second part an unconventional binder system based on the 1.3 dipolar cycloaddn. reaction of azido groups with acetylene compds. forming 1,2,3-triazole heterocyclic rings has been applied for ADN/GAP and AP/GAP propellants. Together with small parts of HMX formulations with ADN/HMX/GAP and the corresponding AP/HMX/GAP exhibit high thermodn. performance, are easily processible, and cure successfully at 60°C. Their basic properties consisting of burning behavior and mech. properties, at ambient temp., chem. stability, and sensitivity have been investigated and are compared to each other. [on SciFinder(R)]