Formulation and Properties of ADN/GAP propellants

  • Menke K
  • Heintz T
  • Schweikert W
 et al. 
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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)]

Author-supplied keywords

  • ADN Formulations
  • AP Formulations
  • Burning Properties
  • Chemical Stability
  • Diacetylene Curing
  • GAP
  • Isocyanate Curing
  • Mechanical Properties
  • Minimum Smoke Propellants with High Performance
  • Processibility
  • Rocket Propellants
  • Sensitivity
  • Thermodynamic Performance

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Authors

  • Klaus Menke

  • Thomas Heintz

  • Wenka Schweikert

  • Thomas Keicher

  • Horst Krause

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