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沉淀聚合法制备的单分散聚(二乙烯基苯-co-甲基丙烯酸丁酯)微球及其色谱性能

, PP. 750-753

Keywords: 沉淀聚合,单分散,固定相,反相

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Abstract:

以乙腈为溶剂,偶氮二异丁腈(AIBN)为引发剂、二乙烯基苯(DVB)为交联剂、甲基丙烯酸丁酯(BMA)为功能单体,采用沉淀聚合法合成了聚(二乙烯基苯-co-甲基丙烯酸丁酯)[P(DVB-co-BMA)]微球.傅立叶变换红外吸收光谱(FT-IR)表征表明沉淀聚合过程中交联剂与功能单体实现了共聚,扫描电子显微分析(SEM)表明制备的微球表面无孔且粒径单分散分布.以芳香烃为探针分子,采用反相液相色谱模式考察微球的色谱性能,色谱结果表明4种溶质获得了较好分离,采用沉淀聚合法制备微球用作液相色谱固定相具有较高的柱效

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