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首页> 外文期刊>Journal of Applied Polymer Science >Adsorption of Lead and Copper on Modified Polyacrylonitrile Bead
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Adsorption of Lead and Copper on Modified Polyacrylonitrile Bead

机译：改性聚丙烯腈微珠对铅和铜的吸附

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摘要

Porous sorbents were prepared from copolymer of acrylonitrile-methyl-methacrylate-2-acrylamidomethylpropensulfonic acid and copolymer of acrylonitrile with vinylimidazol. The sorbent obtained from the former copolymer was modified with hydroxylamine, sodium hydroxide, and hydrazinehydrochloride under optimal conditions to obtain amidooxyme, carboxylic, and hydroazide groups. These functional groups introduced in the modified sorbent and the imidazole group in the sorbent of acrylonitrile and vinylimidazole showed high ability to form complexes with heavy metals. The adsorption properties of the porous chelate-forming sorbents obtained were studied with Pb(II) and Cu(II) ions. The order of the polymer sorbents toward sorption of Pd(II) and Cu(II) ions was determined.
机译：由丙烯腈-甲基丙烯酸甲酯-2-丙烯酰胺基甲基丙磺酸的共聚物和丙烯腈与乙烯基咪唑的共聚物制备多孔吸附剂。在最佳条件下，用羟胺，氢氧化钠和盐酸肼对从前一种共聚物获得的吸附剂进行改性，以获得酰胺基氧基，羧基和酰肼基团。在改性吸附剂中引入的这些官能团和在丙烯腈和乙烯基咪唑吸附剂中的咪唑基团显示出与重金属形成络合物的高能力。用Pb（II）和Cu（II）离子研究了获得的形成多孔螯合物的吸附剂的吸附性能。确定了聚合物吸附剂对Pd（II）和Cu（II）离子吸附的顺序。

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