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本文以二过碘酸合铜(Ⅲ)钾为氧化剂,聚丙烯酰胺(PAAM)自身为还原剂组成的氧化还原引发体系,在PAAM上引发丙烯腈接枝共聚合反应,获得了高接枝效率和高接枝百分比的产物,由红外光谱、扫描电镜及X射线衍射分析对接枝反应进行了表征,测定了各种条件对接枝参数的影响,并对引发机理进行了探讨。
In this paper, the redox initiating system composed of poly (diamido) copper (Ⅲ) as oxidant and polyacrylamide (PAAM) as reductant was used to initiate the graft copolymerization of acrylonitrile on PAAM to obtain high grafting efficiency The grafting reaction was characterized by FTIR, SEM and XRD. The influence of various conditions on the grafting parameters was also investigated. The initiation mechanism was also discussed.