本文采用价格低廉的水玻璃为原料,在不使用表面活性剂的情况下通过溶胶-凝胶法合成了大孔容纳米介孔二氧化硅,对合成条件进行了研究,结果表明:合成的介孔二氧化硅孔道呈蠕虫状,孔径大小均匀。颗粒的平均粒径为2.5μm。较优的合成条件下,实验产品的各项指标与消光粉805相当。本文提出的工艺成本低,易放大,有很大的推广价值。 In this paper, low-cost water glass as raw material, without the use of surfactants by sol-gel synthesis of mesoporous silica containing mesoporous silica, the synthesis conditions were studied, the results show that: the synthesis of intermediates Hole silica was worm-like, pore size uniform. The average particle size of the particles was 2.5 μm. Under the optimal synthesis conditions, the indicators of the experimental products are equivalent to extinction powder 805. This paper proposes the process of low cost, easy to enlarge, there is a great promotional value.