COMPOSITION FOR PRODUCING COMBINED GAS-POWDER OF FIRE-EXTINGUISHING COMPOSITION Russian patent published in 2018 - IPC A62D1/06 

FIELD: chemistry.

SUBSTANCE: invention refers to the fire-extinguishing compositions, which are used to fire classes A, B, C, E. The composition for producing a combined gas-powder composition includes, wt %: monoammonium phosphate: 20-45, ammonium bisulfate: 30-60, white soot 2-5, water repellent 1-3, and a gas-generating additive 5-15. As a gas-generating additive, ammonium chlorate, ammonium perchlorate, ammonium nitrate, ammonium acetate, ammonium formate, or their mixture are used, and as water repellent - polydimethylsiloxane, calcium stearate, magnesium stearate, hydrophobizated white soot modified with hydrophobic silica (aerosil). The composition may contain a catalytic additive in an amount of 1-3 wt %, as which cesium compounds are used: fluoride, chloride, or cesium iodide.

EFFECT: combination provides the gas-generating capacity of the combined gas-powder fire-extinguishing composition when heated to a temperature of 300 degrees.

4 cl, 2 tbl