摘要
研究了钴蓝无机颜料在弱溶剂体系中的分散稳定性。探讨了pH值,分散剂种类,分散剂用量,分散速度对钴蓝分散稳定性的影响。研究结果表明:在以弱溶剂二乙二醇丁醚作为分散介质,先采用磁力搅拌然后再进行砂磨的分散工艺,并加入复合分散剂[M(KH550)∶M(KH560)∶M(A-842)=1∶1∶2](用量为总量的8%)在pH=7时可以制备出分散性和稳定性良好的钴蓝分散体系。通过沉降实验和纳米激光粒度仪对分散效果进行了表征。用上述最佳配方和分散工艺得到的钴蓝颗粒分散体的粒径大都在300nm左右。
The capability of the dispersion of cobalt blue in weak solvent was studied. The in- fluence of dispersant （type ＆ dosage）, pH value, and other dispersion parameters on the stabili- ty of cobalt blue dispersion system was tested which shows good stability and excellent dispersion performance with diethylamide glycol ether the weak solvent, complex formulation （M （KH550） ： M （KH560） ： M （A-842）=1： 1： 2） the dispersant and 7 the pH value. The characteristics of dispersion system were evaluated through sedimentation experiment and measurement of article size distribution. The most steady dispersion system was formed through high speed shearing force and the size of cobalt blue in this system is about 300nm.
出处
《信息记录材料》
2011年第3期3-6,共4页
Information Recording Materials
基金
北京市自然科学基金项目暨北京市教育委员会科技发展计划重点项目(KZ200910015001)
