Fire-fighting foam compositions

Details Fire-fighting foam compositions Fire-fighting foam compositions

1976-03-15

1977-05-03

Sebastian, Leland A.

Fire extinguishers

Processes

Of extinguishing fire

252 3, A62B 112

Patent

active

040209032

ABSTRACT:
A method of fighting fires which comprises applying to the fire a foam produced from an aqueous composition comprising as a surface-active agent the residue of a branched oligomer of tetrafluoroethylene (C.sub.2 F.sub.4).sub.n wherein n is 4, 5, or 6 having a hydrophilic group attached to the residue of the oligomer, said oligomer having at least three CF.sub.3 groups and being characterized by a formula selected from the group consisting of: ##STR1## The surfactants are particularly effective when incorporated in foams derived from other foam-producing materials.

REFERENCES:
patent: 3258423 (1966-06-01), Tuve et al.
patent: 3475333 (1969-10-01), Meldrum et al.
patent: 3519682 (1970-07-01), Fielding
patent: 3630951 (1971-12-01), Netherly
patent: 3632641 (1972-01-01), Fielding
patent: 3661776 (1972-05-01), Fletcher et al.

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