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环境化学  2015 

KMnO4/H2SO4引发制备淀粉改性絮凝剂的研究

Keywords: 高锰酸钾,淀粉,丙烯酰胺,接枝共聚,絮凝剂

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Abstract:

以高锰酸钾为引发剂,制备淀粉-丙烯酰胺接枝共聚物.研究酸浓度、引发剂浓度、单体浓度、温度和加料方式对接枝反应的影响.结果表明,少量KMnO4(0.45mmol·l-1)和H2SO4(0.8mmol·l-1)可有效引发淀粉-丙烯酰胺接枝共聚反应,接枝效率达到90%以上,分子量大大提高,对高岭土的絮凝效果较好.

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