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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.