Use of amidoximated acrylonitrile/N-vinyl 2-pyrrolidone interpenetrating polymer networks for uranyl ion adsorption from aqueous systems

被引：52
作者：
Pekel, N [1 ]
Sahiner, N [1 ]
Güven, O [1 ]
机构：
[1] Hacettepe Univ, Dept Chem, TR-06532 Ankara, Turkey
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2001年 / 81卷 / 10期
关键词：
acrylonitrile; interpenetrating polymer networks; uranyl ion; adsorption; amidoxime;
D O I：
10.1002/app.1673
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Poly(N-vinyl 2-pyrrolidone) (PVP)/acrylonitrile (AN) interpenetrating polymer networks (IPNs) were synthesized and amidoximated for the purpose of uranyl ion adsorption. The adsorption of amidoximated IPNs was studied from different uranyl ion solutions (850, 1000, 1200, 1400, and 1600 ppm). The result of all our adsorption studies showed that the bonding between UO22+-amidoxime groups complied with the Langmuir-type isotherm. The adsorption capacity was found as 0.75 g UO22+/g dry amidoximated IPN. In order to increase the UO22+ ion adsorption capacity the amidoximated IPN was treated with alkali, but no significant increase could be observed. (C) 2001 John Wiley & Sons, Inc. J Appl Polym Sci 81: 2324-2329, 2001.
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收藏
页码：2324 / 2329
页数：6
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