Non-toxic primer mix

C - Chemistry – Metallurgy – 06 – C

Patent

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Details

C06C 7/02 (2006.01) C06B 25/04 (2006.01) C06C 7/00 (2006.01)

Patent

CA 2357632

A non-toxic primer mix including both bismuth sulfide and potassium nitrate as the pyrotechnic portion of the primer is disclosed. In a further embodiment, a non--toxic primer mix comprising zinc sulfide and aluminum nitrate as the pyrotechnic portion of the primer mix is disclosed. Bismuth and zinc sulfide act as fuels for the oxidizers of potassium and aluminum nitrate in providing an ignition flame for the primer. The non-toxic primer mix further contains a lead-free explosive material, and additionally can include added fuels, sensitizers, explosives and binders.

Un mélange d'apprêt non toxique comprenant à la fois un sulfure de bismuth et un nitrate de potassium comme portion pyrotechnique de l'apprêt est divulgué. Sous la forme d'un autre composé, un mélange d'apprêt non toxique comprenant un sulfure de zinc et un nitrate d'aluminium comme portion pyrotechnique du mélange d'apprêt est divulgué. Les sulfures de bismuth et de zinc agissent comme combustibles pour les oxydants de potassium et de nitrate d'aluminium en fournissant une flamme d'allumage pour l'apprêt. Le mélange d'apprêt non toxique contient en outre un matériau explosif sans plomb, et peut en outre inclure des combustibles ajoutés, des agents sensibilisateurs, des explosifs et des liants.

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