Ozone friendly fire extinguishing methods and compositions

Details Ozone friendly fire extinguishing methods and compositions Ozone friendly fire extinguishing methods and compositions

A - Human Necessities

62

D

A62D 1/08 (2006.01) A62C 99/00 (2010.01) A62C 13/00 (2006.01) A62C 35/00 (2006.01) A62D 1/00 (2006.01) A62D 1/06 (2006.01)

Patent

CA 2185910

Methods of extinguishing a fire with compositions which include a hydrofluorocarbon and an acid-scavenging additive. The fire extinguishing compositions preferably include one or more hydrocarbons of the formula CxHyFz, where (y + z) = (2x + 2), and wherein y is less than or equal to x. The acid scavenging additive is preferably selected from the group consisting of terpenes, unsaturated oils, sodium bicarbonate, potassium bicarbonate, monoammonium phosphate, alkali metal halides and urea.

Procédés utilisés pour éteindre un incendie avec des compositions comprenant un hydrofluorocarbone et un additif adsorbant l'acide. Ces compositions d'extinction des incendies contiennent de préférence un ou plusieurs hydrocarbures de formule C¿x?H¿y?F¿z?, dans laquelle (y + z) = (2x + 2), y étant inférieur ou égal à x. L'additif adsorbant l'acide est de préférence sélectionné dans le groupe formé par les terpènes, les huiles non saturées, le bicarbonate de sodium, le bicarbonate de potassium, le phosphate de mono-ammonium, les halogénures de métaux alcalins et l'urée.

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