The factors exerting a significant influence on the termination of the combustion of natural materials (wood and peat) were studied with the use of synthetic nitrogen- and phosphorus-containing fire retardants with different efficiencies. With the use of a mathematical experimental design method, it was confirmed that the inhibition of gas-phase radical processes by volatile nitrogen-containing products is the predominant process of combustion suppression. It was found that the synergism of the nitrogen–phosphorus flame retardants is determined by their complex action: phosphorus mainly enters into organomineral structures in a the condensed phase, and nitrogen inhibits reactions in a gas phase.
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Original Russian Text © V.V. Bogdanova, O.I. Kobets, V.P. Kirlitsa, 2016, published in Khimicheskaya Fizika, 2016, Vol. 35, No. 4, pp. 57–63.
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Bogdanova, V.V., Kobets, O.I. & Kirlitsa, V.P. The mechanism of action and the synergistic effect of nitrogenand phosphorus-containing fire retardants in fire protection and wood and peat fire suppression. Russ. J. Phys. Chem. B 10, 306–312 (2016). https://doi.org/10.1134/S1990793116020160
- flame retardants
- fire retardant efficiency
- fire protection mechanism
- natural combustible materials
- mathematical design of experiments