用自由基悬浮聚合制备了甲基丙烯酸缩水甘油醚(GMA)-三-烯丙基异尿氰酸酯(TAIC) (80/20)共聚物大孔树脂,通过环氧基与多乙烯多胺的反应得到了相应的胺化树脂.在GMA-TAIC共聚物大孔树脂上键合多乙烯多胺会导致树脂孔体积和孔隙率的下降.合成的胺化树脂对重金属Cu(Ⅱ)、Co(Ⅱ)、Ni(Ⅱ)、Zn(Ⅱ)、Cd(Ⅱ)、Mn(Ⅱ)和Pb(Ⅱ)离子有相当高的吸附容量,其中对Cu(Ⅱ)离子吸附容量最大、吸附速率最快,吸附速率次序为:Cu(Ⅱ) ＞Cd(Ⅱ) ＞Zn(Ⅱ)＞Pb(Ⅱ)＞=Co(Ⅱ) ＞Mn(Ⅱ),胺化树脂对这些重金属离子的吸附符合伪二级速率方程.
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