羽毛蛋白接枝丙烯酸-丙烯酰胺高吸水性树脂的吸附性能  

Adsorption behavior of FP-P(AA-AM) superabsorbent resin

作　　者：何明[1] 尹国强[1] 王品[1] 崔英德[1] 张步宁[2] 

机构地区：[1]仲恺农业工程学院绿色化工研究所,广州510225 [2]西北工业大学材料与工程学院,西安710072

出　　处：《化工新型材料》2010年第8期69-72,共4页New Chemical Materials

基　　金：国家自然科学基金资助项目(No.20776164);广东省自然科学基金资助项目(9251022501000003)

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 

分 类 号：TQ320[化学工程—合成树脂塑料工业]