WATER SOLUTION FOR EXTINGUISHING FIRES Russian patent published in 2022 - IPC A62D1/00 C09K21/04 B27K3/02 

FIELD: fire extinguishing.

SUBSTANCE: invention relates to the field of fire extinguishing, in particular to water-based compositions used to extinguish forest fires and to protect wood, wooden structures and materials from fire. An aqueous solution for extinguishing fires contains water, liquid glass with a modulus of 2.5-3.2 and a surfactant. It additionally contains a thickener - carboxymethyl cellulose and a fire retardant - azofoska. As a surfactant, the solution contains a mixture of an alkyl polyglycoside and sodium alpha-olefin sulfonate, taken in a weight ratio of 1:1, with the following content of components, wt.%:

EFFECT: invention provides a high fire-retardant ability of the solution for extinguishing fires.

1 cl, 2 tbl