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Home  >  Journal list  >  Polymer Journal  >  Vol.20  No.12 (1988)  >  pp.1083-1089

Polymer Journal
<<Previous article Vol.20  No.12 (1988)   pp.1083 - 1089 Next article>>

Studies on Chitin XVI. Influence of Controlled Side Chain Introduction to Chitosan on the Adsorption of Copper(II) Ion

Keisuke Kurita1), Yoshiyuki Koyama1) and Satoyuki Chikaoka1)
1) Department of Industrial Chemistry, Faculty of Engineering, Seikei University

ABSTRACT:  N-Nonanoylation of chitosan was studied in comparison with N-acetylation, and the influence of modifications on the adsorption of copper(II) ion was elucidated to develop high performance adsorbents based on this under-utilized abundant resource. Controlled acylations with the corresponding acyl chlorides were established in a highly swelled state. The adsorption capacities proved to be highly enhanced at low extents of substitution; more remarkable improvement was achieved with nonanoyl groups than acetyl groups.


Keyword:
Chitosan/ Chemical Modification/ Nonanoylation/ Acetylation/ Metal Cation Adsorption/ Chelating Polymer

Published online: April 08, 2005
© Copyright, 2005 by The Society of Polymer Science, Japan

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