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New technique to study halogenated flame retardant efficiency
Determining the mechanism by which halogenated flame retardants work is important for creating safer more effective flame retardants in the future. Presently two major theories exist on how flame retardants work. (1,2) Temporally resolved LIF has been used to determine the extent to which the chemical kinetic theory of flame retardation applies to the effect of brominated flame retardants, such as decabromodiphenyl oxide (DECA) and hexabromocyclododecane (HBCD), on flame retardation. We have shown that the primary effect of these brominated flame retardants is chemical in nature as opposed to physical, lending credence to the radical trap theory of flame retardation. We have also used time-resolved laser induced fluorescence (LIF) to monitor the relative efficiencies of these flame retardants in the vapor phase. This provides a more quantitative assessment of these flame retardants abilities. The results from this study agree nicely with UL94 and LOI (limiting oxygen index) data.
New technique to study halogenated flame retardant efficiency
Determining the mechanism by which halogenated flame retardants work is important for creating safer more effective flame retardants in the future. Presently two major theories exist on how flame retardants work. (1,2) Temporally resolved LIF has been used to determine the extent to which the chemical kinetic theory of flame retardation applies to the effect of brominated flame retardants, such as decabromodiphenyl oxide (DECA) and hexabromocyclododecane (HBCD), on flame retardation. We have shown that the primary effect of these brominated flame retardants is chemical in nature as opposed to physical, lending credence to the radical trap theory of flame retardation. We have also used time-resolved laser induced fluorescence (LIF) to monitor the relative efficiencies of these flame retardants in the vapor phase. This provides a more quantitative assessment of these flame retardants abilities. The results from this study agree nicely with UL94 and LOI (limiting oxygen index) data.
New technique to study halogenated flame retardant efficiency
Cullum, B.M. (author) / Angel, S.M. (author)
1998
10 Seiten, 28 Quellen
Conference paper
English
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