C - Chemistry – Metallurgy – 06 – B
Patent
C - Chemistry, Metallurgy
06
B
52/50
C06B 21/00 (2006.01) C06B 23/00 (2006.01) C06B 47/14 (2006.01)
Patent
CA 1114172
ABSTRACT OF THE DISCLOSURE The disclosure describes a process for the manufac- ture of water gel explosives with improved performance charac- teristics, which explosives contain combustible materials, oxidizing agents, a gelling agent, water, sensitizers, and expanded thermoplastic microspheres as gas carriers. The manufacture is carried out in various successive steps. In a first step, the microspheres are expanded in a concentrated solution or eutectic melt consisting of part of the components of the explosive, the solution or melt having an oxygen balance which does not make the solution or. melt a safety risk at the temperature required for the expansion of the micro- spheres. Then, in one or more steps at a lower temperature acceptable from a safety point of view the remaining components of the explosives, including the sensitizers, are admixed. This process has the advantage of satisfying rigorous demands for safety.
316950
Nitro Nobel Ab
Swabey Ogilvy Renault
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