为制备一种能螯合钯离子的新型含亚胺基团的吸附剂,首先对聚丙烯无纺布(PP)进行预辐照接枝丙烯腈(AN),然后进一步和二乙烯三胺(EDTA)反应.结果表明,胺化反应时间越长,腈基基团转化为亚胺基团的转化率越高.当温度高于120℃.有一部分聚丙烯溶解于胺化试剂中.考察了吸附时间和钯离子初始浓度对吸附量的影响.结果表明,制备的螯合型吸附荆对钯离子的吸附性能良好.对接枝后和胺化后的样品用红外光谱仪和差示扫描量热仪进行了表征.
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