Metal adsorption of carboxymethyl cellulose/carboxymethyl chitosan blend hydrogels prepared by Gamma irradiation

被引：68
|
作者：
Hiroki, A. [1 ]
Tran, H. T. [2 ]
Nagasawa, N. [1 ]
Yagi, T. [1 ]
Tamada, M. [1 ]
机构：
[1] Japan Atom Energy Agcy, Quantum Beam Sci Directorate, Takasaki, Gunma 3701292, Japan
[2] Vietnam Atom Energy Commiss, Nucl Res Inst, Da Lat, Vietnam
来源：
RADIATION PHYSICS AND CHEMISTRY | 2009年 / 78卷 / 12期
关键词：
Hydrogel; Carboxymethyl cellulose; Carboxymethyl chitosan; Metal adsorbent; gamma-irradiation; CROSS-LINKING; DERIVATIVES;
D O I：
10.1016/j.radphyschem.2009.05.003
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：
Blend hydrogels; based on the carboxymethyl cellulose (CMC) and carboxymethyl chitosan (CMCts) were prepared by gamma-irradiation of a high concentrated CMC/CMCts aqueous solution. Properties of the hydrogels, such as get fraction, swelling ratio, gel strength, and metal adsorption for Pb and Au were investigated. The gel fraction increased with increasing dose, while the swelling ratio decreased with increasing it. The obtained blend hydrogels had high adsorption performance which was controlled by adjusting the composition of CMC/CMCts. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1076 / 1080
页数：5
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