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http://dx.doi.org/10.7731/KIFSE.2016.30.4.065

Evaluation of Combustion Gas for Carbon Oxide of Wood Coated with Bis-(dialkylaminoalkyl) Phosphinic Acids Additives  

Jin, Eui (Fire & Disaster Prevention Research Center, Kangwon National University)
Chung, Yeong-Jin (Department of Fire Protecton Engineering, Kangwon National University)
Publication Information
Fire Science and Engineering / v.30, no.4, 2016 , pp. 65-72 More about this Journal
Abstract
This study examined the generation of combustion toxic gases of pinus rigida specimens processed with bis-(dimethylaminomethyl) phosphinic acid (DMDAP), bis-(diethylaminomethyl) phosphinic acid (DEDAP), and bis-(dibutylaminomethyl) phosphinic acid (DBDAP). Each pinus rigida plate was coated three times with 15 wt.% flame retardants in an aqueous solution. The specimens were then dried at room temperature. The production of combustion toxic gases was investigated using a cone calorimeter (ISO 5660-1). The first time to peak mass loss rate ($1^{st}-TMLR_{peak}$) processed with the chemical additives decreased to 5.9 from 41.2% compared with the unprocessed specimen. The second time to the peak mass loss rate ($2^{nd}-TMLR_{peak}$) for the processed specimens was decreased 1.8% for DMDAP and 5.3% for DBDAP and increased 1.8% for DEDAP. The peak carbon monoxide ($CO_{peak}$) production was 1.5 to 2.0 times higher than that of the unprocessed plate. The peak carbon dioxide ($CO_{2peak}$) production was reduced 0.01 times for DMDAP and increased 1.15 to 1.19 times for DEDAP and DBDAP compared with the unprocessed specimens. In particular, the oxygen concentration was much higher than 15%, which can be fatal to humans and the resulting hazard can be eliminated. Overall, the combustion toxicity of flammable gas were increased partially by the chemical additives compared with those of the unprocessed plate.
Keywords
Bis-(dimethylaminomethyl) phosphinic acid; Bis-(diethylaminomethyl) phosphinic acid; Bis-(dibutylaminomethyl) phosphinic acid; Carbon monoxide; Carbon dioxide;
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Times Cited By KSCI : 3  (Citation Analysis)
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