Pyrotechnic mixture to produce a smoke screen

Details Pyrotechnic mixture to produce a smoke screen Pyrotechnic mixture to produce a smoke screen

C - Chemistry, Metallurgy

06

D

52/10

C06D 3/00 (2006.01) C06B 33/04 (2006.01) C06B 33/14 (2006.01)

Patent

CA 1306112

ABSTRACT A smoke screen that is particularly suitable for exer- cises is to be produced by the present invention, said smoke screen being in the form of an aerosol that is neither toxic to humans and animals in its effect, nor hazardous to the environ- ment. This is achieved with a so-called pyrotechnic set that is made up as follows, A light-metal powder, preferably magnesium powder (Mg) as a metallic reducing agent, potassium nitrate (KNO3) or a mixture of potassium nitrate (KNO3) and potassium perchlorate (KClO4) as the main oxidizing agent, at least one carbonate, e.g., calcium carbonate (CaCO3), potassium hydrocarbonate (KHCO3), sodium hydrocarbonate (NaHCO3), potassium carbonate (K2CO3), sodium carbonate (Na2CO3), and substances that give off nitrogen as combustion moderators, as well as at least one additional substance that can be sublimated or vapourized, forms smoke, and is non-toxic.

575671

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