Abstract

Abstract This study was performed to test the combustive properties of pinus rigida specimens treated with methylpiper-azinomethyl-bis-phosphonic acid M n+ (PIPEABPM n+ )s and methylpiperazinomethyl-bis-phosphonic acid (PIPEABP). Each pinus rigida plates were painted three times with 15 wt% PIPEABPM n+ s or PIPEABP solutions at the room temperature. After drying specimens treated with chemicals, combustive properties were examined by the cone calorimeter (ISO 5660-1). It was indicated that the speed to peak mass loss rate (MLR peak ), (0.104~0.121) g/s for specimens treated with PIPEABPM n+ s was lower than that of PIPEABP plate. In addition, the total smoke release rate (TSRR), (224.4~484.0) m 2 /m 2 for PIPEABPM n+ s treated speci-mens except specimen treated with PIPEABPAl 3+ and CO mean production (0.0537~0.0628) kg/kg was smaller than that of PIPEABP plate. In particular, for the specimens treated with PIPEABPM n+ by reducing the smoke production rate, the second -smoke production rate (2nd-SPR) (0.0117~0.0146) m

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