反应条件对合成单分散二氧化硅微球的影响  

Effect of Reaction Condition on Preparation of Mono-disperse SiO_(2) Micro-sphere

作　　者：严小琴[1] 许静[1] 谢凯[1] 安立华[1] 

机构地区：[1]国防科学技术大学航天与材料工程学院,湖南长沙410073

出　　处：《精细化工中间体》2004年第6期49-51,共3页Fine Chemical Intermediates

摘　　要：采用正硅酸乙酯、氨水、异丙醇和水为原料,合成了微米和亚微米级二氧化硅微球,着重研究了实验温度、氨水浓度、正硅酸乙酯的用量、加水量以及反应时间对该反应的影响。结合对所合成产物的扫描电镜表征,确定了制备不同粒径、均匀的单分散二氧化硅微球的实验条件。By using tetraethylortho silicate, ammonia, n-propanol and water as materials, the mono-disperse silica micro-sphere in semi-micron and micron level was synthesized. The effects of factors on the reaction have been studied. The experiment condition for production of mono-disperse silica micro-sphere with different diameter was given at last.

关 键 词：正硅酸乙酯 二氧化硅微球 异丙醇 

分 类 号：TQ127.2[化学工程—无机化工]