Fluoroiodocarbon blends as CFC and halon replacements

A composition comprising a blend of at least one fluoroiodocarbon of the formula C.sub.a H.sub.b Br.sub.c Cl.sub.d F.sub.c I.sub.f N.sub.g, wherein a is between and including 1 and 8, b is between and including 0 and 2, c, d and g are each between and including 0 and 1, e is between and including 1 and 17, and f is between and including 1 and 2, with at least one additive selected from the group consisting of esters, hydrocarbons selected from the group consisting of butane, cyclopropane, decade, 2,3-dimethylpentane, 2,4-dimethylpentane, 2,2-dimethylpropane, heptane, isobutane, limonene, 2-methylbutane, 3-methylhexane, 3-methylpentane, nonane, octane, pentane, pinene, propane, turpentine and undecane, and perfluorocarbons selected from the group consisting of decafluorobutane, dodecafluoropentane, hexafluorocyclopropane, hexafluoroethane, octafluorocyclobutane, octafluoropropane, tetradecafluorohexane, and tetrafluoromethane, the blend comprising 5 to 75 mol percent of the fluoroiodocarbon and 25 to 95 mol percent of the additive, the composition being nonflammable and electrically nonconductive, the fluoroiodocarbon having an ozone depletion potential less than 0.02 and a global warming potential less than that of chlorofluorocarbons, and the additive and the fluoroiodocarbon being nonreactive in the blend.

A composition comprising a blend of at least one fluoroiodocarbon of the formula C.sub.a H.sub.b Br.sub.c Cl.sub.d F.sub.e I.sub.f N.sub.g, wherein a is between and including 1 and 8, b is between and including 0 and 2, c, d and g are each between and including 0 and 1, c is between and including 1 and 17, and f is between and including 1 and 2, with at least one additive selected from the group consisting of esters, ethers, hydrocarbons selected from the group consisting of butane, cyclopropane, decane, 2,3-dimethylpentane, 2,4-dimethylpentane, 2,2-dimethylpropane, heptane, isobutane, limonene, 2-methylbutane, 3-methylhexane, 3-methylpentane, nonane, octane, pentane, pinene, propane, turpentine and undecane, and perfluorocarbons selected from the group consisting of decafluorobutane, dodecafluoropentane, hexafluorocyclopropane, hexafluoroethane, octafluorocyclobutane, octafluoropropane, tetradecafluorohexane, and tetrafluoromethane, the blend comprising 10 to 75 mol percent of the fluoroiodocarbon and 25 to 90 mol percent of the additive, the composition being nonflammable and electrically nonconductive, the fluoroiodocarbon having an ozone depletion potential less than 0.02 and a global warming potential less than that of chlorofluorocarbons, and the additive and the fluoroiodocarbon being nonreactive in the blend.

A composition comprising a blend of at least one fluoroiodocarbon of the formula C.sub.a H.sub.b Br.sub.c Cl.sub.d F.sub.e I.sub.f N.sub.g, wherein a is between and including 1 and 8, b is between and including 0 and 2, c, d and g are each between and including 0 and 1, e is between and including 1 and 17, and f is between and including 1 and 2, with at least one additive selected from the group consisting of esters, ethers, hydrocarbons selected from the group consisting of butane, cyclopropane, decane, 2,3-dimethylpentane, 2,4-dimethylpentane, 2,2-dimethylpropane, heptane, isobutane, limonene, 2-methylbutane, 3-methylhexane, 3-methylpentane, nonane, octane, pentane, pinene, propane, turpentine and undecane, hydrofluorocarbons, and perfluorocarbons selected from the, group consisting of decafluorobutane, dodecafluoropentane, hexafluorocyclopropane, hexafluoroethane, octafluorocyclobutane, octafluoropropane, tetradecafluorohexane, and tetrafluoromethane, the blend comprising 20 to 75 mol percent of the fluoroiodocarbon and 25 to 80 mol percent of the additive, the composition being nonflammable end electrically nonconductive, the fluoroiodocarbon having an ozone depiction potential less than 0.02 and a global warming potential less than that of chlorofluorocarbons, and the additive and the fluoroiodocarbon being nonreactive in the blend.