中华医学超声杂志

应用化学 ›› 2010, Vol. 27 ›› Issue (05): 518-522.DOI: 10.3724/SP.J.1095.2010.90470

• 研究论文 • 上一篇    下一篇

离子液体-水双相体系悬浮聚合法制备对苯二酚分子印迹聚合物微球

张茂升1*,黄佳蓉2,叶苹1,陈丽珠1   

  1. (1.漳州师范学院化学与环境科学系 漳州 363000；2.漳州出入进检验检疫局 漳州)
  • 收稿日期:2009-07-15 修回日期:2009-09-15 出版日期:2010-05-10 发布日期:2010-05-10
  • 通讯作者: 张茂升，讲师; E-mail:maoshengzhang@fjzs.edu.cn; 研究方向：分子印迹和农残分析
  • 基金资助:
    福建省教育厅科技(JA07156)资助项目

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

ZHANG Mao-Sheng1*, HUANG Jia-Rong2, YE Ping1 CHEN Li-Zhu1   

  1. (1.Zhangzhou Normal University,Department of Chemistry and Environmental Science,Zhangzhou 363000;
    2.Zhangzhou EntryExit Inspection and Quarantine Bureau,Zhangzhou)
  • Received:2009-07-15 Revised:2009-09-15 Published:2010-05-10 Online:2010-05-10

PDF

1712

被引次数

22

摘要：

通过在[Bmim]PF6离子液体-水双相体系中，以对苯二酚为模板分子，甲基丙烯酸为功能单体，二甲基丙烯酸乙二醇脂为交联剂，采用悬浮聚合法制备得到对苯二酚印迹聚合物微球（MIMs-IL），并通过FTIR等测试技术对MIMs-IL进行了表征。 对不同离子液体进行了选择，[Bmim]PF6介质中制备的MIMs-IL的识别性能最好。 与从氯仿介质中制备的印迹聚合物微球（MIMs-Or）相比较，MIMs-IL的产率为70.8%，明显高于MIMs-Or的48.7%。 采用静态吸附法考察其印迹识别能力的结果表明，MIMs-IL对水中的对苯二酚的识别能力大大强于MIMs-Or。 对MIMs-IL识别吸附的热力学和动力学研究结果表明，12 h时MIMs-IL和nMIMs-IL均达到各自饱和吸附量，对于0.50 g/L Hyd水溶液，MIMs-IL的饱和吸附量是nMIMs-IL的2.67倍。

关键词: 分子印迹技术, 悬浮聚合法；离子液体；对苯二酚

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).

Key words: Molecularly imprinted technique, Suspension polymerization；Ionic liquid；Hydroquinone

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