以二羟基二过碘酸合镍(Ⅳ)钾为氧化剂,碳黑表面的活性羟基为还原剂,组成氧化还原引发体系,于碱性介质中,在碳黑表面引发甲基丙烯酸甲酯接枝共聚合.测定了各种因素对接枝参数的影响,获得了最佳反应条件,得到了高接枝效率的接枝共聚物.通过红外光谱(IR)、扫描电镜(SEM)对接枝共聚物结构进行了表征,用分光光度计法考察了接枝碳黑在水介质中的分散效果,并探讨了引发机理.
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