Radiation synthesis of N-vinyl 2-pyrrolidone acrylonitrile interpenetrating polymer networks and their use in uranium recovery from aqueous systems

被引：36

作者：

Sahiner, N ^{[1
]}

Pekel, N ^{[1
]}

Guven, O ^{[1
]}

机构：

[1] Hacettepe Univ, Dept Chem, TR-06532 Ankara, Turkey

来源：

RADIATION PHYSICS AND CHEMISTRY | 1998年 / 52卷 / 1-6期

关键词：

interpenetrating polymer networks; n-vinyl; 2-pyrrolidone; acrylonitrile; amidoximation; UO22+ adsorption;

D O I：

10.1016/S0969-806X(98)00195-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Interpenetrating Polymer Networks (IPNs) based on Poly n-vinyl 2-pyrrolidone (PVP) and Acrylonitrile (AN) were prepared by irradiating PVP solutions prepared in AN. PVP/AN mixtures were irradiated by Co-60-gamma rays at room temperature at a dose rate of 0.5 kGy/hour. IPNs were characterized by using FTIR and Thermal Analysis techniques. The chelating adsorbents containing amidoxime groups were prepared by the reaction of these IPNs with hydroxylamine in aqueous NaOH solution at 50 degrees C.These amidoxime containing adsorbents were used in adsorption studies for the recovery of uranium from aqueous systems. The adsorption capacity of an IPN with equivolume fraction of PVP and amidoximated PAN was found to be 750mg UO(2)(2+)g dry amidoximated IPN.

引用

页码：271 / 276

页数：6

共 38 条

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