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http://dx.doi.org/10.14478/ace.2016.1121

Combustion Gas-emission of Medium Density Fibreboard (MDF) Treated with Alkylenediaminialkyl-bis-phosphonic Acids and Bis-(dimethylaminomethyl) Phosphinic Acid  

Park, Myung-Ho (Dept. of Mechanical Engineering, Kangwon National University)
Chung, Yeong-Jin (Dept. of Fire Protection Engineering, Kangwon National University)
Publication Information
Applied Chemistry for Engineering / v.28, no.1, 2017 , pp. 112-117 More about this Journal
Abstract
This study demonstrated the emission of combustion gases of medium density fibreboard (MDF)s coated with piperazinomethyl-bis-phosphonic acid (PIPEABP), methylpiperazinomethyl-bis-phosphonic acid (MPIPEABP), N,N-dimethylethylenediaminomethyl-bis-phosphonic acid (MDEDAP), or bis-(dimethylaminomethyl) phosphinic acid (DMDAP). Each MDFs were coated in three times with a brush with 15 wt% aqueous solution of the phosphorus-nitrogen acid additives. After the specimens were dried at room temperature, the emission of combustion gases was tested using a cone calorimeter (ISO 5660-1, 2). The peak smoke production rate ($SPR_{peak}$) of the specimens coated with phosphorus-nitrogen acids was 18.5 to 41.5%, which is lower than that of using the virgin plate. However, the production of peak carbon monoxide ($CO_{peak}$) was 6.7 to 24.2% higher than that of using the virgin plate. Also, the peak carbon dioxide ($CO_{2peak}$) was 4.2 to 24.4% lower than that of using virgin plate. While the peak oxygen depletion rate was much higher than the level of 15%, which can be fatal to humans and the resulting risk could thus be eliminated. Overall, the combustibility of coated specimens was partially suppressed, but showed a negative effect on the reduction of carbon monoxide.
Keywords
peak smoke production rate; peak carbon monoxide; peak oxygen depletion rate;
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