以N-乙烯甲酰胺为单体,异丙醇为溶剂和链转移剂,通过AIBN引发自由基聚合反应制备了聚(N-乙烯甲酰胺),并将聚(N-乙烯甲酰胺)在碱性条件下,80C水解6h,成功制备了分子量在10000以下的低分子量聚乙烯胺.通过红外、1 H-NMR表征了产物结构.通过GPC测定了聚乙烯胺的分子量.研究了引发剂用量对聚乙烯胺分子量的影响,结果表明,通过调控单体与引发的配比从100∶1增加到100∶10时,聚乙烯胺的数均分子量从8028g/mol降低至5355g/mol.
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