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热重分析和燃烧试验表明,六甲基磷酰三胺与杉木反应15min后,六甲基磷酰三胺使杉木的热解峰温由410℃降低到290℃,残余炭量由17.2%增加到48.2%,处理材用水浸泡处理2天后阻燃效果无明显下降。
Thermogravimetric analysis and combustion tests showed that after the reaction of hexamethylphosphoric triamide with Chinese fir for 15min, the pyrolysis peak temperature of Chinese fir decreased from 410 ℃ to 290 ℃ by hexamethylphosphoric triamide, and the residual carbon content decreased from 17.2 % To 48.2%, the treated wood soaked in water for 2 days after the flame retardant effect no significant decline.