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Sol-Gel production of silica microparticles

机译:溶胶 - 凝胶生产二氧化硅微粒

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摘要

The monodispersed silica particles of diameters in the range of 0.2-8.0 #mu# m were produced by the sol-gel method. The silica particles were prepared by the building-up process, in which the seed silica particles dispersed in the ammonia-water-alcohol solution were grown to larger particles by adding dropwisely tetraethoxysilane in the solution. The typical coefficient of variation of the diameter of the particles was less than 1.5
机译:通过溶胶 - 凝胶法产生0.2-8.0#mu#m的直径的单分散二氧化硅颗粒。通过建筑工程制备二氧化硅颗粒,其中通过在溶液中加入滴定乙氧基硅烷将分散在氨水 - 醇溶液中的种子二氧化硅颗粒以较大的颗粒生长。颗粒直径的典型变化系数小于1.5

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