The results indicated that the best dosage of the polyacrylic acid was 1.0% of the mass of the tourmaline powder,and it could improve the dispersivity in hydrophilous sy...

• 结果表明；对超细电气石粉体进行表面改性时；聚丙烯酸的最优用量为电气石粉体质量的1.；0%25；改性处理后样品在水中的分散性大大提高。红外光谱分析表明；聚丙烯酸与电气石粉体表面的结合方式为化学吸附。