Gasser composition and method of gassing

Details Gasser composition and method of gassing Gasser composition and method of gassing

C - Chemistry, Metallurgy

06

B

C06B 45/00 (2006.01) C06B 23/00 (2006.01) C06B 31/28 (2006.01) C06B 47/14 (2006.01) C06D 5/08 (2006.01)

Patent

CA 2239095

The present invention provides a gasser solution for sensitising an emulsion to form a gassed emulsion explosive composition having a discontinuous aqueous phase comprising inorganic oxygen releasing salts, a continuous water immiscible organic phase and an emulsifier, the emulsifier comprising a headgroup having a functional moiety which is vulnerable to attack by a nitroso species and wherein the gasser solution comprises a solution of an inorganic nitrite, an ammonium species and optionally an accelerator.

La présente invention concerne une solution génératrice de gaz destinée à sensibiliser une émulsion de manière à obtenir une composition explosive qui contient une émulsion gazée et qui possède une phase aqueuse discontinue. Cette phase aqueuse comprend des sels non organiques libérant de l'oxygène, une phase organique continue non miscible dans l'eau ainsi qu'un émulsifiant. L'émulsifiant comprend une tête polaire possédant un fragment fonctionnel vulnérable aux attaques provenant d'une espèce chimique de type nitroso. La solution génératrice de gaz comprend également une solution se composant d'un nitrite non organique, d'une espèce chimique de type ammonium et, éventuellement, d'un accélérateur.

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