Preparation and characterization of chitosan-grafted-poly(2-amino-4,5-pentamethylene-thiophene-3-carboxylic acid N′-acryloyl-hydrazide) chelating resin for removal of Cu(II), Co(II) and Ni(II) metal ions from aqueous solutions

被引：47
|
作者：
Bekheit, M. M. [1 ]
Nawar, N. [1 ]
Addison, A. W. [2 ]
Abdel-Latif, D. A. [1 ,2 ]
Monier, M. [1 ,2 ]
机构：
[1] Mansoura Univ, Fac Sci, Dept Chem, Mansoura, Egypt
[2] Drexel Univ, Dept Chem, Philadelphia, PA 19104 USA
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2011年 / 48卷 / 04期
关键词：
Chitosan; Grafting; Ethylacrylate; Aminothiophenecarboxylic acid hydrazide; CROSS-LINKED CHITOSAN; COMPLEXING AGENT; COPPER(II) IONS; ADSORPTION; EQUILIBRIUM; KINETICS; DYE;
D O I：
10.1016/j.ijbiomac.2011.01.018
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The graft copolymerization of ethylacrylate (EA) onto chitosan initiated by potassium persulphate and Mohr's salt combined redox initiator system in limited aqueous medium was carried out in heterogeneous media. Moreover, modification of the grafted chitosan was carried out by reaction of the ester group (-COOEt) with 2-amino-4,5-pentamethylene-thiophene-3-carboxylic acid hydrazide which eventually produce chitosan-grafted-poly(2-amino-4,5-pentamethylene-thiophene-3-carboxylic acid N'-acryloyl-hydrazide) (chitosan-g-ATAH) chelating resin. The application of the modified resin for metal ion uptake was studied using Cu2+, Co2+ and Ni2+ ions. The modified chelating resins were characterized using FTIR spectroscopy, SEM and X-ray diffraction. (C) 2011 Published by Elsevier B.V.
引用
收藏
页码：558 / 565
页数：8
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