Method of preparing a sensitised explosive

Details Method of preparing a sensitised explosive Method of preparing a sensitised explosive

C - Chemistry, Metallurgy

06

B

C06B 23/00 (2006.01) B01J 13/02 (2006.01) C08J 9/22 (2006.01)

Patent

CA 2470825

According to the present invention there is provided a method of preparing a sensitised explosive comprising the steps of providing thermally expandable microspheres (14) which, when expanded, are suitable to reduce the density of an explosive and mixing the microspheres with steam (12) to cause thermal expansion of the microspheres and to provide a resulting stream of wet expanded microspheres. The resulting stream of wet expanded microspheres is then introduced into an explosive (18) to provide a sensitised explosive (23).

L'invention concerne un procédé d'élaboration d'un explosif sensible, comprenant les étapes consistant à obtenir des microsphères à expansion thermique qui, lorsqu'elles gonflent, réduisent la densité d'un explosif; puis, à mélanger les microsphères à de la vapeur de manière à provoquer l'expansion thermique des microsphères et à obtenir un flux de microsphères gonflées mouillées. Ce flux de microsphères est ensuite introduit dans un explosif afin d'obtenir un explosif sensible.

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