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An interesting explosive, cis-1,3,4,6Tetranitrooctahydroimidazo-[4,5-d]imidazole (BCHMX) was prepared in the laboratory of the Institute of energetic materials as reported in Czech patent [1]. The performance of BCHMX was determined in comparison with several traditional explosives [2-4]. It has detonation performance in the level of HMX while it has high sensitivity similar to penterythritol tetranitrate (PETN) [5]. Reduction of its sensitivity is still considered a challenge. BCHMX was coated by different polymeric matrices in order to reduce the sensitivity without affecting its thermal stability [6-8]. polydimethyl-siloxane (PDMS) matrix seems to be an optimum binder for coating the explosive crystals: it has the ability to reduce the sensitivity of the explosives to acceptable level in addition to keep the detonation heat in the range of Plastic bonded explosives (PBXs) based on poly-fluorinated polymers [6]. After the addition of insensitive explosive such as 3-nitro-1,2,4-triazol-5-one, (NTO) or 1,1-diamino-2,2-dinitroethene (FOX-7), the sensitivity was improved significantly and reached the level of LOVA mixture (Ontallite; 50% TNT:50%NTO) [9, 10]. Consequently, in this paper and with the same vein, BCHMX was mixed with other nitramines explosive (1,3,5-trinitro-1,3,5-triazinane, RDX and, 1,3,5,7-tetranitro-1,3,5,7-tetrazocane, HMX) and bonded in PDMS. Their characteristics were studied and compared with the previous literature data.

The effect of different additives on safety manipulation of cis-1,3,4,6-tetranitrooctahydroimidazo-[4,5-d]imidazole (BCHMX)