通过脱色率以及稠度系数的测定,研究了疏水改性聚丙烯酸在不同分散染料水悬浮液中的絮凝脱色作用,揭示了聚合物的疏水基团含量、疏水基团结构、染料的起始浓度、聚合物的用量和染料的结构与絮凝脱色效果的关系.结果表明,随着疏水基团含量的增加,絮凝脱色效果得到显著的增强；疏水基团的链长决定聚合物的增粘性能,疏水基团链越长,缔合作用越强烈,丙烯酸二十二酯改性聚丙烯酸(poly(DCA-co-AA))的脱色率接近于100％；随着聚合物用量的增大,聚合物与染料粒子之间的相互作用明显增加,可达到很好的絮凝脱色效果；疏水改性聚丙烯酸对不同结构分散染料的脱色效果明显不同.
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