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化学学报
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化学学报 ›› 2007, Vol. 65 ›› Issue (10): 955-961. 上一篇    下一篇

研究论文

表面接枝分子印迹聚合物微球的合成及评价

李保利, 张敏, 姜萍, 董襄朝*   

  1. (南开大学化学系 天津 300071)
  • 投稿日期:2006-09-18 修回日期:2006-11-01 发布日期:2007-05-28
  • 通讯作者: 董襄朝

Preparation and Property Evaluation of Molecularly Imprinted Polymer Grafted Micro-spherical Resin

LI Bao-Li; ZHANG Min; JIANG Ping; DONG Xiang-Chao*   

  1. (Department of Chemistry, Nankai University, Tianjin 300071)
  • Received:2006-09-18 Revised:2006-11-01 Published:2007-05-28
  • Contact: DONG Xiang-Chao

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1519

被引次数

106 | 14

将聚苯乙烯-二乙烯苯微球表面功能基化, 引入引发转移终止剂(initiator-transfer-terminator agent, iniferter), 以活性自由基聚合方式研究了球形树脂表面合成印迹聚合物的方法. 在紫外光引发下, 以左旋麻黄碱为印迹分子, 甲基丙烯酸为功能单体, 在接枝Iniferter后的微球表面进行分子印迹聚合物接枝实验, 并使用不同的反应条件, 探讨了表面接枝印迹层微球制备条件对于识别能力的影响. 平衡吸附的结果表明, 表面接枝聚苯乙烯-二乙烯苯微球对于印迹分子具有亲和能力及选择性, 其识别能力来自于印迹得到的识别位点.

关键词: 分子印迹聚合物表面接枝, 引发转移终止剂, 聚苯乙烯－二乙烯苯微球载体, 左旋麻黄碱

The method of surface grafting of molecularly imprinted polymer on the spherical resin with the living radical polymerization was studied. The surface of poly-styrene-co-divinylbenzene resin was grafted with iniferter (initiator-transfer-terminator agent). Under the radiation of UV light, using (－)-ephedrine as the template, methacrylic acid as functional monomer, molecularly imprinted polymer was grafted on the surface of the resin. The influence of the synthetic conditions on the property of the material was investigated. The re-binding experimental result showed that the imprinted polymer grafted resin has affinity and selectivity for the template molecule. The recognition resulted from the imprinting process.

Key words: surface grafting of molecularly imprinted polymer, iniferter, micro-spherical poly-St-DVB resin, (－)-ephedrine