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Thermal behavior and stability of HNIW (CL20)

 
: Löbbecke, S.; Bohn, M.A.; Pfeil, A.; Krause, A.

Teipel, U. ; Fraunhofer-Institut für Chemische Technologie -ICT-, Pfinztal:
Energetic materials - production, processing and characterization
Pfinztal: ICT, 1998 (Proceedings of the International Annual Conference of ICT 29)
ISSN: 0722-4087
pp.145.1-145.15
Fraunhofer-Institut für Chemische Technologie (Internationale Jahrestagung) <29, 1998, Karlsruhe>
Fraunhofer-Institut für Chemische Technologie (International Annual Conference) <29, 1998, Karlsruhe>
English
Conference Paper
Fraunhofer ICT ()

Abstract
The thermal stability, phase behavior, and decompn. of the explosive .epsilon.-2,4,6,8,10,12-hexanitrohexaazaisowurtzitane (HNIW) were studied. At >164.degree. irreversible transition to the .gamma.-polymorph was obsd. which is accompanied by an increase of vol. Differential scanning calorimetry and differential thermogravimetry indicate a 2-step decompn. at >210.degree.. The evolution of gaseous decompn. products was monitored by rapid scan FTIR spectroscopy. The main products are CO2, NO2, N2O, and HCN. In addn., a solid residue remains whose IR spectrum is given. A mass loss due to decompn. was also obsd. below 210.degree.. Kinetic calcns. show this low-temp. decompn. reaction to be of 1st order and autocatalytic.

: http://publica.fraunhofer.de/documents/PX-36330.html