Graft dyeing by reactive dye and cationic dye is the direction of development of silk dyeing. 活性染料和阳离子染料的接枝染色是丝绸染色的发展方向。
Results indicate that the activated silica and powdered coal ash are both good for hydrophobic dyes, but for active dyes or diazo-dyes are not ideal. 试验结果表明,活化后的硅藻土和粉煤灰对疏水性染料效果良好,而对活性染料或偶氮染料效果不够理想。