作　　者： ; ; ; ; ;

机构地区： 仲恺农业工程学院化学化工学院绿色化工研究所

出　　处： 《化工新型材料》 2010年第8期69-72,共4页

摘　　要： 通过水溶液聚合法合成了羽毛蛋白接枝丙烯酸-丙烯酰胺高吸水树脂,即FP-P（AA-AM）。研究了树脂在单一Cd2＋溶液中的吸附行为以及在Cd2＋、Cu2＋、Zn2＋三元混合溶液中的选择性吸附性能。结果表明,在单一Cd2＋溶液中,FP-P（AA-AM）树脂对Cd2＋的吸附容量随硫酸镉溶液浓度的增大而增大,最高可达2.4mmol/g。吸附Cd2＋至饱和的树脂能在1mol/L的HCl溶液中很好的进行解吸附,3min时解吸附率即可达到83.3%。在较高浓度的三元金属离子混合溶液中,FP-P（AA-AM）树脂对3种离子呈现出一定的选择性吸附,其平衡吸附量顺序为：Cu2＋〉Cd2＋〉Zn2＋。 Feather protein（FP） grafted poly（acrylic acid-acrylamide） superabsorbent polymers were prepared by aqueous solution polymerization.The adsorption behavior in the single Cd2＋ solution and the selective adsorption in the ternary solution of Cd2＋、Cu2＋ and Zn2＋ were discussed.The results showed that the amount of adsorption for Cd2＋ in the single ion solution increased with the increasing metal ion concentration,and the maximum was found to be 2.4mmol/g.The absorbed copolymers for Cd2＋ can desorb in 1mol/L HCl solution and the desorptive ratios reached a constant value,83.3%,after 3minutes desorption.The grafted copolymers showed selective adsorption in ternary metal ion solution,and the sequence of the adsorption uptakes was Cu2＋Cd2＋Zn2＋.

关 键 词： 高吸水性树脂 丙烯酸 羽毛蛋白 离子吸附 选择性吸附

领　　域： [化学工程]