Explosives using glycol still bottoms

C - Chemistry – Metallurgy – 06 – B

Patent

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Details

C06B 31/30 (2006.01) C06B 31/02 (2006.01) C06B 31/28 (2006.01) C06B 47/14 (2006.01)

Patent

CA 2216921

Explosive compositions are disclosed which comprise a nitrate salt oxidizer and glycol still bottoms alone or in combination with water. The still bottoms function as a fuel oil replacement (FOR) in ANFO explosives. Glycol still bottoms can be mixed with thickeners, cross-linkers and other additives to make a bottoms matrix. The bottoms matrix and a nitrate salt oxidizer combine to make explosive compositions which show an improvement in performance and water-resistance when compared to standard ANFO explosives.

L'invention porte sur des compositions explosives comportant un oxydant à base de sel de nitrate et des résidus de la distillation d'éthylène glycol seuls ou associés à de l'eau. Ces résidus de distillation remplacent le fuel-oil (FOR) utilisé pour les explosifs nitrate-fuel (ANFO). On peut les mélanger à des épaississeurs, à des agents de réticulation et à d'autres additifs afin de constituer une matrice de produits de fond se combinant avec un oxydant à base de sel de nitrate pour produire des compositions explosives qui présentent des caractéristiques de fonctionnement améliorées ainsi qu'une meilleure résistance à l'eau si on les compare aux explosifs ANFO classiques.

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