正交实验优化ZrO_2包覆钛白粉工艺研究  

The orthogonal experiment coated titanium dioxide ZrO_2 optimization process

作　　者：段海婷[1,2] 侯清麟[1,2] 罗炽[2] 侯熠徽[2] 陈建华[3] 刘跃进[1] 

机构地区：[1]湘潭大学化工系,湖南湘潭411105 [2]湖南工业大学包装与材料工程学院,湖南株洲412007 [3]中盐湖南株洲化工集团有限公司,湖南株洲412004

出　　处：《功能材料》2013年第11期1667-1671,共5页Journal of Functional Materials

基　　金：国家自然科学基金资助项目(51174085);湖南工业大学自然科学研究资助项目(2012HZX03);湖南省战略性新兴产业资助项目(2011GK4055);校级大学生研究性学习和创新性实验计划对本项目的大力支持

摘　　要：采用L9(34)正交实验优化实验方案,以六偏磷酸钠(SHMP)为分散剂,滴加速率、分散剂用量、包膜量、体系pH值作为实验变量,研究ZrO2包覆对金红型石钛白粉性能的影响。通过Nano-zs电位仪(zeta)、扫描电子显微镜(SEM)、傅里叶红外(FT-IR)、透射电子显微镜(TEM)、物理漆膜紫外老化实验的检测,对金红石钛白粉包覆前后的性能进行比较,得到ZrO2包覆的优化试验条件。结果表明,其在滴液速率为5滴/min,分散剂的用量为0.1%,包膜量为2%,体系pH值为8.5～9.0条件下,经过包膜过后的金红石型钛白粉化学性质稳定,能有效屏蔽其光化学活性,其吸附性、分散性、耐候性较好。The thesis mainly explored the effect of property of rutile titanium dioxide being pre-coated with ZrO2 with sodium hexametaphosphate as dispersant,as well as drops speeding rate,the dosage of dispersant and coating agent and pH value which is based on the orthogonal test L9（34）.The property of rutile titanium dioxide uncoated and coated are also compared by adopting nano-zs potential instrument,SEM,FT-IR,TEM and paint film ultraviolet radiation aging.The optimal conditions of the rutile titanium dioxide coated with ZrO2 was obtained that the speed of liquid was 5 drops/min,the amount of dispersant was 0.1%,capsular content was 2%,the pH of system was 8.5-9.0.The chemical properties of the rutile titanium dioxide with pre-coated was steady and can effectively shielding the photochemical activity and adsorbability,dispersibility and weather ability were better.

关 键 词：正交实验 ZRO2 金红石型钛白粉 漆膜紫外老化 

分 类 号：O648.4[理学—物理化学]