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Equilibrium of benzidine inclusion adsorption on cyclodextrin copolymer

✍ Scribed by Zhao-Yang Sun; Gui-Ping Cao; Hui Lv; Ling Zhao; Tao Liu; Ludovic Montastruc; Nikov Iordan

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
292 KB
Volume
114
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

Insoluble β‐cyclodextrin (β‐CD) copolymer was prepared by reacting β‐CD with hexamethylene diisocyanate, and its inclusion adsorption behavior was investigated. The physical and chemical properties of CD copolymer were characterized by SEM, FTIR, DSC, TGA, XRD, and BET N~2~ adsorption. The effects that shaking time and temperature exerted on the inclusion adsorption of benzidine on CD copolymer have been studied at relative low initial benzidine concentration. The procedure of the inclusion adsorption could be described by the Freundlich equation, and the thermodynamic constants Δ__H__^θ^, Δ__S__^θ^ and Δ__G__^θ^ were obtained simultaneously. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009

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