超细二氧化硅粉体的制备

Preparation of Ultrafine Silica Particles

超细二氧化硅粉体的制备李中军＊刘长让王雪清ａ赵秦生（郑州大学化学化工学院，物理系ａ郑州４５００５２）（中南工业大学长沙）关键词溶胶－凝胶法，ＳｉＯ２超细粉，粉体制备１９９７－０９－２３收稿，１９９８－０３－０２修回溶胶－凝胶工艺是液相法制备超细ＳｉＯ...

Ultrafine silica particles ranging from 10 to 20 nm were prepared by solgel method and nbutanol azeotropic distillation from water glass using ethyl acetate as a latene acid reagent. The gelling process of the water glass in the presence of ethyl acetate was studied.