将耐火的无机玻化微珠与阻燃化的聚氨酯进行原位复合,制备具有良好保温效果和阻燃性能的墙体保温材料;通过扫描电镜(SEM)、氧指数和力学性能评价,探究玻化微珠粒径和聚醚种类对泡沫复合材料结构和性能的影响.结果表明,玻化微珠粒径会明显改变复合材料的泡孔结构,强重比和氧指数呈逐渐增加趋势;不同种类聚醚多元醇因为相对分子质量和官能度的差别,对聚氨酯发泡的反应特性、复合材料的成型特性、泡沫结构和性能都会产生影响.
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