通过接枝共聚制备羧甲基纤维素接枝聚丙烯酰胺(CMC-g-PAM)树脂,进而在碱性条件下水解制备阴离子接枝共聚物(CMC-g-APAM)型吸水树脂.采用静态法测定该阴离子性接枝共聚物对重金属离子的去除条件和去除效果.实验结果表明, 该树脂对铜离子有很好的吸附脱除性能, 脱除率可达95%, 吸附容量可达2.2 mmol/g.采用X射线光电子能谱(XPS), 扫描电镜(SEM)及X-射线衍射(XRD)表征了吸附铜离子后的共聚物,表明重金属铜离子在树脂上聚集存在,为非晶态.
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