Powdery fire-extinguishing agent, and process for its preparatio

Details Powdery fire-extinguishing agent, and process for its preparatio Powdery fire-extinguishing agent, and process for its preparatio

1980-05-14

1982-08-24

Lovering, Richard D.

Compositions

Fire-extinguishing

Gas generative, chemically

169 47, 427221, 523207, A62D 106, B05D 724

Patent

active

043460127

ABSTRACT:
A powdery fire-extinguishing agent containing a powder as main ingredient and a powder as adjuvant, both or one of said powders being treated with an organofluorine compound which has a fluoroalkyl group containing 3 to 20 carbon atoms, which has a major transition temperature of 20.degree. C. or higher and a fluorine content of 5% by weight or more, which is insoluble in water and insoluble or sparingly soluble in a combustible liquid, and which has oil repellency; and a process for preparation thereof.

REFERENCES:
patent: 2597702 (1952-05-01), Benning
patent: 2901428 (1959-08-01), Schulenburg
patent: 3214372 (1965-10-01), Lobos
patent: 3504016 (1970-03-01), Smeltz
patent: 4042521 (1977-08-01), Dunn
High Polymers, vol. XXV, "Fluoropolymers", Edited by Leo A. Wall, Wiley-Interscience, 1972, pp. 551, 208, 236-238, 311, 312 and 444.

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