A - Human Necessities – 62 – D
Patent
A - Human Necessities
62
D
A62D 1/08 (2006.01) A62D 1/02 (2006.01)
Patent
CA 2210994
A process for controlling or extinguishing fires comprises introducing to a fire or flame (e.g., by streaming or by flooding) a non-flammable extinguishment composition comprising at least one mono- or dialkoxy-substituted perfluoroalkane, perfluorocycloalkane, perfluorocycloalkyl-containing perfluoroalkane, or perfluorocycloalkylene- containing perfluoroalkane compound, the compound optionally containing additional catenary heteroatoms in its perfluorinated portion and preferably having a boiling point in the range of from about 0 °C to about 150 °C. The compounds exhibit good extinguishment capabilities while being environmentally acceptable.
Le procédé faisant l'objet de cette invention, qui sert à combattre ou à éteindre des incendies, consiste à diriger contre un incendie ou contre des flammes (par exemple, par projection ou par submersion) une composition d'extinction non inflammable comprenant au moins un composé parmi perfluoroalcane mono ou dialcoxy-substitué, perfluorocycloalcane, perfluoroalcane à teneur en perfluorocycloalkyle ou perfluoroalcane à teneur en perfluorocycloalkylène, ce composé comportant éventuellement des hétéroatomes caténaires additionnels dans sa partie perfluorée et ayant de préférence un point d'ébullition compris entre 0 DEG et environ 150 DEG C. De tels composés possèdent de bonnes capacités d'extinction, tout en étant acceptables pour l'environnement.
Flynn Richard M.
Thomas Scott D.
Smart & Biggar
The Minnesota Mining & Manufacturing Company
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