二氧化钛对分相液滴自清洁釉的性能影响

Effect of Titanium Dioxide on Properties of Phase Droplet Self-Cleaning Glaze

采用长石、高岭土、石英为主要原料制备了分相液滴自清洁釉。利用扫描电镜、X射线衍射仪和显微镜接触角测量仪等测试仪器表征了样品性能。研究结果表明:当二氧化钛添加量为5wt%时,釉表面形成大量细小的孤立液滴,体积分数达58. 48%,具有高的表面硬度(869. 10 kg/mm^2)和良好的亲水自清洁性(表面润湿角为13. 361°)。与现有的表面涂覆纳米涂料相比,该自清洁釉耐磨性强,制备方法简单,在中高温建筑陶瓷领域有着良好的应用前景,符合绿色环保理念。

The phase-separated droplet self-cleaning glaze was prepared with feldspar,kaolin and quartz as main raw materials. The properties of the samples were characterized by scanning electron microscopy,X-ray diffraction and contact angle measurement. The results show that when the content of titanium oxide is 5 wt%,a large number of small solitary droplets are formed on the glaze surface,with a volume fraction of 58. 48%,high surface hardness( 869. 10 kg/mm^2) and good hydrophilic self-cleaning( surface wetting angle is 13. 361°). Compared with the existing surface coated nano-coatings,the self-cleaning glaze has strong wear resistance and simple preparation method. It has good application prospects in the field of medium and high temperature architectural ceramics,and conforms to the concept of green environmental protection.