Fire extinguishing and protection agent

Details Fire extinguishing and protection agent Fire extinguishing and protection agent

1995-06-07

1996-05-21

Geist, Gary

Compositions

Fire-extinguishing

252 4, 252 805, 252610, 252611, 252601, 2523156, 25231501, A62D 100, A62D 106, B01J 1300

Patent

active

055186386

ABSTRACT:
The invention concerns the production and use of thickened synthetic amorphous silica in water as a fire extinguishing and protection agent in which the water is mixed with 1% to 9% by weight of fumed silica, and the resulting thin fluid suspension is rapidly thickened with mixing and shearing by the addition of from 0.003% to about 0.5% by weight of an additive selected from the group consisting of polyethylene glycols, polypropylene glycols, and their derivatives thereof, wherein the additive has a molar mass between 700 and 600,000.

REFERENCES:
patent: 3074883 (1963-01-01), Letterton
patent: 3334045 (1967-08-01), Nelson
patent: 3912647 (1975-10-01), Adell
patent: 3976580 (1976-08-01), Kaminstein et al.
patent: 4173538 (1979-11-01), Herbline
patent: 4600744 (1986-07-01), Libor et al.

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