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Synthesis, characterization, and metal ions adsorption properties of chitosan–calixarenes (I)
Author(s) -
Li HaiBing,
Chen YuanYin,
Liu ShiLan
Publication year - 2003
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.12290
Subject(s) - calixarene , adsorption , chitosan , metal ions in aqueous solution , chemistry , moiety , infrared spectroscopy , metal , scanning electron microscope , nuclear chemistry , polymer chemistry , stereochemistry , materials science , molecule , organic chemistry , composite material
Calixarene‐modified chitosans (CTS–CA‐I and CTS–CA‐II) were first synthesized by the reaction of chitosan (CTS‐NH 2 ) with 1,3‐bis‐chloroethoxyethoxy‐2,4‐dihydroxy‐ p ‐ tert ‐butylcalix[4]arene (CA‐I) or its benzoyl derivative (CA‐II). Their structures were characterized by infrared and X‐ray diffraction spectroscopy and scanning electron microscopy (SEM). The adsorption of Ni 2+ , Cd 2+ , Cu 2+ , Pd 2+ , Ag + , and Hg 2+ by CTS–CA‐I and CTS–CA‐II was studied and the thermodynamic parameter of two calixarene‐modified chitosans toward Hg 2+ was deduced. The adsorption properties of CTS–CA‐I and CTS–CA‐II were greatly varied compared with that CTS‐NH 2 , especially with the adsorption capacity toward Ag + and Hg 2+ , because of the presence of the calixarene moiety. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 89: 1139–1144, 2003
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