Compositions – Fire-extinguishing – Foam or gas phase containing
Patent
1995-06-08
1997-10-14
Kelly, C. H.
Compositions
Fire-extinguishing
Foam or gas phase containing
252 805, A62D 100
Patent
active
056768761
ABSTRACT:
A method of producing a fire fighting foam for extinguishing fires, which comprises the step of producing a fire fighting foam concentrate solution comprising a short chain linear alcohol as a suspending solvent; lauric alcohol as a foam stabilizing agent; an acrylic acid polymer to form the foam suspension media; sodium lauryl sulfate as a primary foam producing agent; coco-dimethylamidopropyl betaine as a secondary foam producing agent; water as a dilutant; urea as a fire retarding agent; an alkaline pH-modifying substance to adjust the pH of the solution just to the base side of 7.0; and sodium carbonate, sodium bicarbonate, potassium acetate or sodium acetate as a fire retarding agent. A fire fighting foam is produced from the concentrate solution by introducing the foam concentrate solution to a stream of water through a siphoning nozzle.
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Kelly C. H.
Stagg William W.
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