Intumescent fire extinguishing solutions

Details Intumescent fire extinguishing solutions Intumescent fire extinguishing solutions

1984-03-07

1986-05-13

Lechert, Jr., Stephen J.

Compositions

Fire-extinguishing

Gas generative, chemically

106 1811, 106 1814, 106 1815, 106 1816, 169 46, 169 47, 169 65, 169 69, 252 3, 252 4, 252 7, 252350, 252606, A62C 112, A62C 116, A62D 312

Patent

active

045885109

ABSTRACT:
An aqueous solution useful in extinguishing fires is disclosed comprising diammonium phosphate, a water soluble polyol, a water soluble gas-generating agent, a non-combustible viscosity builder and water; when sprayed upon burning surfaces, the solution intumesces and generates a flame-resistant polymeric foam having a high char value; the foam shuts off the air supply to the burning surface and thereby quickly and effectively extinguishes the fire.

REFERENCES:
patent: 2529211 (1950-11-01), Busse et al.
patent: 3955987 (1976-05-01), Schaar et al.
patent: 4076540 (1978-02-01), Stossel
patent: 4210452 (1980-07-01), Nicholson et al.
patent: 4221837 (1980-09-01), Nicholson et al.
patent: 4247435 (1981-01-01), Kasten

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