期刊
CARBOHYDRATE POLYMERS
卷 78, 期 1, 页码 125-130出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2009.04.022
关键词
beta-Cyclodextrin polymer (beta-CDP); Water-insoluble; Citric acid; Polyethylene glycol 400 (PEG-400)
资金
- Fundamental and Advanced Science Project of Henan Province, China
Water-insoluble beta-cyclodextrin polymer (beta-CDP) crosslinked by citric acid was synthesized with Polyethylene glycol 400 (PEG-400) as modifier through an environment friendly procedure. The yield of beta-CDP was related to the amounts of citric acid, PEG-400 and catalyst in the formulation. beta-CD content and total acidic groups of the produced beta-CDP were also found to be related to the formulation. FT-IR spectra disclosed that the hydroxyl groups of beta-CD had crosslinked with the carboxyl groups of citric acid, and at the same time the structure characteristics of beta-CD were well maintained in the polymer. Preliminary study on adsorption toward aniline disclosed that beta-CDP which had a larger amount of total acidic groups generally had a larger adsorption capacity towards aniline. (C) 2009 Elsevier Ltd. All rights reserved.
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