Nanometer titanium dioxide dispersion emulsion and preparation process thereof

The invention discloses a nanometer titanium dioxide dispersion emulsion and a preparation process thereof. According to the method, sodium polyacrylate, polyacrylic acid and sodium hexametaphosphateare used as dispersants, and are pre-dispersed on a high-speed dispersion machine according to a reasonable ratio, and grinding is performed for a certain time by using a nanometer grinding machine toobtain the stable nanometer titanium dioxide dispersion emulsion. The nanometer titanium dioxide dispersion liquid prepared by the method has characteristics of adjustable solid content, highly stable solution, neutral PH value, non-toxic and easily-available dispersing agent, D90 particle size of lower than 80 nm and excellent photocatalysis effect, and can be applied to various fields, and themethod is suitable for large-scale production. 本发明揭示了一种纳米二氧化钛分散乳液及制作工艺。该方法使用聚丙烯酸钠、聚丙烯酸、六偏磷酸钠作为分散剂，合理配比，在高速分散机上预分散后，再通过纳米研磨机上研磨一定时间即可得到稳定的纳米二氧化钛分散乳液。该方法制得的纳米二氧化钛分散液有以下特点：固含量可调、溶液高度稳定、PH中性、分散剂无毒易得、D90粒径低于80nm、光催化效果极佳、极易规模化生产，可用于多