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    • 6. 发明申请
    • FIRE EXTINGUISHANT COMPOSITIONS, METHODS AND SYSTEMS UTILIZING BROMODIFLUOROMETHANE
    • 灭火剂组合物,使用溴代三氟乙烯的方法和系统
    • WO1991005585A1
    • 1991-05-02
    • PCT/US1990005778
    • 1990-10-10
    • GREAT LAKES CHEMICAL CORPORATIONIIKUBO, YuichiROBIN, Mark, LesterFIDELLE, Thomas, P.ROSE, Richard, S.SWEVAL, Mark, A.
    • GREAT LAKES CHEMICAL CORPORATION
    • A62D01/08
    • A62D1/0057
    • Fire extinguishing methods, compositions and systems are disclosed which provide for efficacious fire extinguishment with minimal environmental hazard. The methods employ compositions comprising bromodifluoromethane alone or in combination with at least one other fluorocarbon fire extinguishant. Many of the extinguishant mixtures display synergistic fire fighting efficacy, and representative fluorocarbons for use with the bromodifluoromethane include bromotrifluoromethane, bromochlorodifluoromethane, heptafluoropropane, 1,1,1,2,3,3-hexafluoropropane, 1,1,1,3,3,3-hexafluoropropane, pentafluoroethane, 2-chloro-1,1,1,2-tetrafluoroethane, dibromodifluoromethane, dibromotetrafluoroethane, chloropentafluoroethane, 2-bromo-1,1,1,2-tetrafluoroethane, C2F6, C3F8, C4F10, 1-bromo-1,1,2,2-tetrafluoroethane, 1-chloro-1,1,2,2-tetrafluoroethane and mixtures thereof. In addition, a compatible propellant may be employed. The compositions themselves and systems charged with such compositions are also disclosed. The compositions are characterized by surprising fire extinguishing efficacy, low toxicity and ozone depletion potential, and minimal production of deleterious decomposition products.
    • 公开了灭火方法,组合物和系统,其提供有效的灭火并且具有最小的环境危害。 该方法使用包含溴二氟甲烷单独或与至少一种其它碳氟化合物灭火剂组合的组合物。 许多灭火剂混合物表现出协同的消防功效,与溴二氟甲烷一起使用的代表性碳氟化合物包括溴三氟甲烷,溴氯二氟甲烷,七氟丙烷,1,1,1,2,3,3-六氟丙烷,1,1,1,3,3, 3-氟六氟丙烷,五氟乙烷,2-氯-1,1,1,2-四氟乙烷,二溴二氟甲烷,二溴四氟乙烷,氯五氟乙烷,2-溴-1,1,1,2-四氟乙烷,C 2 F 6,C 3 F 8,C 4 F 10, 1,1,2,2-四氟乙烷,1-氯-1,1,2,2-四氟乙烷及其混合物。 此外,可以使用相容的推进剂。 还公开了装有这种组合物的组合物本身和体系。 组合物的特征在于惊人的灭火效果,低毒性和臭氧消耗潜力以及有害分解产物的最小产生。