以丙烯酰胺(AM)、二甲基二烯丙基氯化铵 (DMDAAC)、丙烯酸丁酯(BA)为原料,通过自由基胶束共聚法合成了阳离子型疏水缔合共聚物P(AM-DMDAAC-BA).采用红外光谱、核磁共振谱对聚合物的结构进行了表征,考察了不同合成工艺条件下得到的聚合产物的絮凝性能.研究结果表明,阳离子单体含量和疏水单体含量均对絮凝效果有较大的影响,在阳离子单体含量10 mol%,疏水单体含量3 mol%,絮凝剂加量25 mg/L时,综合絮凝效果较好.
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