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New approaches to the CL-20/HMX cocrystal a less sensitive high power explosive

: Herrmannsdörfer, Dirk

Volltext urn:nbn:de:0011-n-3497602 (432 KByte PDF)
MD5 Fingerprint: 59421f2f7ac5d18931ae62546e12f664
Erstellt am: 30.7.2015

Fraunhofer-Institut für Chemische Technologie -ICT-, Pfinztal:
Energetic materials - performance, safety and system applications : 46th International Annual Conference of the Fraunhofer ICT, June 23 - 26, 2015, Karlsruhe, Germany
Pfinztal: Fraunhofer ICT, 2015
ISSN: 2194-4903
Fraunhofer-Institut für Chemische Technologie (International Annual Conference) <46, 2015, Karlsruhe>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ICT ()

Understanding the kinetic and thermodynamic of the formation of the 2:1 cocrystal of CL-20 and HMX is a key factor to optimize crystallization procedures in regard to time and material efficiency as well as crystal purity. Here we describe the temperature and polymorph dependency of the solvent-mediated cocrystallization of HMX and CL-20 in 2-propanol as well as the solubility curves of CL-20 and HMX in acetone/2-propanol mixtures and acetonitrile/2-propanol mixtures at room temperature. The formation time of the cocrystal in unseeded solvent-mediated crystallization shows a strong dependency on the temperature and applied CL-20 polymorph. The received CL-20/HMX cocrystal was found to be less friction sensitive, but more impact sensitive than HMX.