期刊
EUROPEAN POLYMER JOURNAL
卷 37, 期 10, 页码 2141-2143出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0014-3057(01)00070-2
关键词
microwave irradiation; template synthesis; glutaraldehyde; chitosan resin; adsorption property
A series of cross-linked chitosan resins have been synthesized by forming chitosan coordination of Cu(II) as template in dilute acetic acid solutions tinder microwaves irradiation, then reacting the Cu(II)-chitosan complex with glutaraldehyde as cross-linking agent under microwave irradiation, and finally removing off the Cu(II) with dilute acid. The adsorption capacity and selectivity of the cross-linked chitosan for Cu2+, Ni2+ and Co2+ have also been investigated. The experimental results show that these resins obtained have better adsorption capacity for Cu2+ than Ni2+ and Co2+, very good stability and reusability in acidic solutions. (C) 2001 Elsevier Science Ltd. All rights reserved.
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