Foam fire-extinguishing composition and preparation and use ther

Details Foam fire-extinguishing composition and preparation and use ther Foam fire-extinguishing composition and preparation and use ther

1979-10-15

1981-12-01

Lovering, Richard D.

Compositions

Fire-extinguishing

Foam or gas phase containing

169 46, 252 805, 252307, A62D 104

Patent

active

043035345

ABSTRACT:
Use of a water-soluble high molecular compound which contains a fluoroalkyl group and a water-solubilizable group, having a molecular weight of not less than 5000 and a fluorine content of not less than 10% by weight and is soluble in water in an amount of at least 0.1% by weight at 25.degree. C. and of which the surface tension is not more than 50 dyn/cm when measured on 0.1 to 5.0% by weight aqueous solution at 25.degree. C., as an additive to a foam fire-extinguishing agent so as to improve and enhance the fire-extinguishing performances of the latter, particularly for the firing of polar organic solvents, is disclosed.

REFERENCES:
patent: 3080347 (1963-03-01), Sandberg et al.
patent: 3475333 (1969-10-01), Meldrum et al.
patent: 3562156 (1971-02-01), Francen
patent: 3919183 (1975-11-01), Jager et al.
patent: 3944527 (1976-03-01), McCown
patent: 4171282 (1979-10-01), Mueller

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