用Solsperse17000超分散剂对纳米二氧化硅和纳米氢氧化镁表面进行包覆改性， 再加入树脂、助剂等，经球磨和超声波分散制成纳米阻燃母液，并配制出不同纳米母液含量 的纳米改性防火涂料.用透射电子显微镜分析(TEM)和红外光谱分析(FT-IR)研究纳米 粒子分散状态和稳定机制.用红外光谱分析(FT-IR)、扫描电子显微镜分析(SEM)、浸 水失重曲线分析、差热分析(DTA)研究在水介质中纳米改性防火涂料形貌变化、分子结构 变化、水介质传输行为和浸水前后防火涂层的热降解行为.结果表明：4%纳米阻燃母液能有 效提高APP/PER/MEL防火涂料的耐水性，且不损害它的热降解行为和防火性能.
Surface of nanometer silicon dioxide and magnesium hydroxide was modified by Sol sperse17000 dispersing agent.Nano-concentrates were gotten by mixing modified na noparticles with resin through ball milling and supersonic wave,then flame retar dant nano-coatings with different content of nano-concentrates were prepared.Dis persion morphology and stability principle of nanoparticles were analyzed by the use of transmittance electron microscopy (TEM) and Fourier transform infrared s pectroscopy(FT-IR).Morphology,molecule structure,water transport behavior and th ermal degradation of the flame retardant coatings were studied by use of SEM,FT- IR,curve of weight loss,DTA.It is indicated that 4% nano-concentrates can enhanc e water resistance and do not harm thermal degradation and flame retardant prope rty.
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