Gassing of emulsion explosives with nitric oxide

Details Gassing of emulsion explosives with nitric oxide Gassing of emulsion explosives with nitric oxide

C - Chemistry, Metallurgy

06

B

C06B 45/00 (2006.01)

Patent

CA 2627469

A method for gassing an emulsion explosives to sensitise the explosive to detonation and/or for density modification is described. The method comprises reacting a compound having an enol group, or a deprotonated enolate form of the enol group, with a nitrosating agent to generate nitric oxide to gas the explosive. The compound reacted with the nitrosating agent can be a lactone such as ascorbic acid. Dinitrogen trioxide is particularly useful as the nitrosating agent.

L~invention concerne un procédé de gazage d~explosifs de type émulsion ayant pour but de sensibiliser l~explosif à la détonation et/ou de modifier la densité. Le procédé comprend la mise en réaction d~un composé comportant un groupement énol, ou une forme énolate déprotonée du groupe énol, avec un agent de nitrosation afin de générer de l~oxyde nitrique pour le gazage de l~explosif. Le composé mis en réaction avec l~agent de nitrosation peut être une lactone telle que l~acide ascorbique. Le trioxyde de diazote est particulièrement utile en tant qu~agent de nitrosation.

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