Development of wood and wood ash-based hydroxyapatite composites and their fire-retarding properties
Development of wood and wood ash-based hydroxyapatite composites and their fire-retarding properties
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DOI：
10.1007/s10086-012-1276-4
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发表时间：
2012-12-01
影响因子：
2.9
通讯作者：
Tooyama, Masayuki
中科院分区：
文献类型：
--
作者：
Akaki, Takeshi;Maehara, Hironori;Tooyama, Masayuki
为有效利用木质生物质工厂排放的废弃木灰，制备了木材和木灰基羟基磷灰石（HAp）复合材料，并通过热重分析（DTA-TG）、氧指数（OI）测定和锥形量热仪测试研究了其燃烧性能。结果表明，HAp试剂的加入减弱了DTA-TG燃烧曲线中由于热分解而出现的放热峰和失重峰。HAp复合材料的OI值随HAp含量的增加而增加，且OI值与HAp含量呈相关性。此外，锥形量热仪的研究表明，热释放速率随HAp注入量的增加而降低，因此它们的总热释放量与HAp含量呈反比关系。这些结果表明，用木灰基HAp剂处理可以提高处理木材的阻燃性。
For making efficient use of waste wood ash emitted from wood biomass plant, the wood and wood ash-based hydroxyapatite (HAp) composite was produced and their flammability characterization was studied by thermogravimetric (DTA-TG) analysis, oxygen index (OI) measurement and cone calorimeter test. The results show that the exothermic and weight loss peaks in DTA-TG combustion profiles due to their significant thermal decomposition were weakened by the HAp agent impregnation. In addition, the OI value of HAp composites was increased by the HAp combining and the OI showed a correlation with the HAp contents. Also, the cone calorimeter study revealed that the heat release rates were decreased with increasing amount of HAp injection and accordingly their total heat release has an inverse relationship to the HAp contents. These results indicate that the treatment with wood ash-based HAp agents can enhance the flame retardancy of the treated woods.