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Citation: ZHANG Mao-Sheng, HUANG Jia-Rong, YE Ping, CHEN Li-Zhu. Preparation of Molecularly Imprinted Polymer Microspheres of Hydroquinone by Suspension Polymerization in Two-phase System of Ionic Liquid-based Aqueous[J]. Chinese Journal of Applied Chemistry, ;2010, 27(5): 518-522. doi: 10.3724/SP.J.1095.2010.90470 shu

Preparation of Molecularly Imprinted Polymer Microspheres of Hydroquinone by Suspension Polymerization in Two-phase System of Ionic Liquid-based Aqueous

a. Department of Chemistry and Environmental Science, Zhangzhou Normal University, Zhangzhou 363000;
b. Zhangzhou Entry-Exit Inspection and Quarantine Bureau, Zhangzhou 363000

Received Date: 15 July 2009
Revised Date: 20 September 2009

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).
- molecularly imprinted technique,
- suspension polymerization,
- ionic liquid,
- hydroquinone
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