ZnO-Al2O3混合粉体水基悬浮液性能的研究

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通过Zeta电位、粘度、沉降等测试,研究了添加剂含量、pH值、固含量和球磨时间对ZnO-Al2O3混合粉体水基悬浮液的稳定性、流动性等的影响.实验结果表明:当pH值为9左右,聚丙烯酸添加质量分数为0.20%时,悬浮液粘度最低、稳定性最好.可制得固相体积分数55%的悬浮液.聚乙二醇添加量的增加,使悬浮液粘度增大、稳定性下降.该实验条件下,球磨时间以40h为佳.
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