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Authors: Zhang MS, Huang JR, Ye P, Chen LZ
Article Title: Preparation of Hydroquinone Molecularly Imprinted Polymer Microspheres by Suspension Polymerization in Two-phase System of Ionic Liquid-based Aqueous.
Publication date: 2010
Journal: Chinese Journal of Applied Chemistry
Volume: 27
Issue: (5)
Page numbers: 518-522.
DOI: 10.3724/SP.J.1095.2010.90470
Alternative URL: http://yyhx.ciac.jl.cn/EN/abstract/abstract11598.shtml
Abstract: The molecularly imprinted microspheres(MIMs-IL) were synthesized with hydroquinone as template molecules, α-acrylic acid as functional monomer and ethylene glycol dimethacrylate as cross-linker by suspension polymerization in two-phase system of ionic liquid?based aqueous. The MIMs-IL was characterized by FTIR and its selective recognition was evaluated by adsorption experiments. [Bmim]PF6 was selected from three different types of IL. Compared with that of the molecularly imprinted microspheres(MIMs-Or) prepared in two-phase system of chloroform-aqueous, the yield of MIMs-IL, 70.8% is obviously higher than that of MIMs-Or, 48.7%. The recognition adsorption of MIMs-IL for hydroquinone in water solution is higher than that of MIMs-Or. Moreover, the results of thermodynamics and kinetics of the recognition adsorption of MIMs-IL show that the saturation adsorption amount was achieved in 12 h, and MIMs-IL displayed a 2.67-fold increase in adsorption amount for 0.50 g/L hydroquinone water solution compared to its none molecularly imprinted microspheres(nMIMs-IL).
Template and target information: hydroquinone, 1,4-dihydroxybenzene
Author keywords: molecularly imprinted technique, suspension polymerization, Ionic liquid, Hydroquinone
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