Explosives like TNT, RDX and HMX considered to be adequate for all weapon applications, have become less attractive due to a number of accidents involving initiation of munitions by impact or shock aboard ships, aircraft carriers and munitions trains. There is a need for the development of new explosives with improved stability and insensitivity without a decrease in energy. Significant attention has been paid in this direction during the recent past. Our interest in azaheterocyclic nitramineureas arise from the fact that the urea moiety has an inherent high molecular density and these compounds are considered as high explosives which can be made conveniently from inexpensive raw materials. Among the investigated compounds tetranitropropanediureas appear to be of renewed interest with a unique combination of properties like thermal stability as well as impact and friction sensitivity. Inspite of the abundance of early literature of nitroureas, details of the experimental procedure, the characterization and their applications are not found until more recent reports. With this goal in mind and as the next progression in the study of high-density compounds, the current research effort concentrates on preparing, characterizing and evaluating tetranitropropanediurea (TNPDU) and an analogous tetranitromonourea compound in order to mediate some of the less desirable characteristics of TNPDU. We also report here the thermal properties of the compound and its mixtures for thermally stable and insensitive high explosives in order to assess their compatibility and sensitivity properties.
Synthesis, characterization and thermal behaviour of 2,4,6,8-tetranitro-2,4,6,8-tetraazabicyclo[3.3.1]nonane-3,7-dione (TNPDU) and one of its methylene analogues
Propellants, Explosives, Pyrotechnics ; 26 , 2 ; 63-68
2001
6 Seiten
Article (Journal)
English
Explosivstoff , Waffe , Munition , Flugzeugträger , Abnahme (Verminderung) , Arbeit (Physik) , Harnstoff , hohe Dichte , Grundstoff (Rohmaterial) , thermische Eigenschaft , Reibung , Literatur , Detail , Versuchsdurchführung , Kennzeichencharakterisierung , Erfahrung (Forschung) , Temperaturabhängigkeit , Methylen , Luftfahrzeug , Empfindlichkeit , Erzkonzentrat , Fahrzeug , Gebrauchseigenschaft , Materialeigenschaft , Schiff , Tribologie , Unfall , Verkehrsmittel , Wasserfahrzeug , Physik , militärische Ausrüstung , physikalische Eigenschaft , Zug (Verkehr)
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