表面接枝法制备磁性邻苯二甲酸二丁酯印迹聚合物及其识别性能研究

引用本文: 徐婉珍, 张枭明, 黄卫红, 聂仪晶, 杨文明. 表面接枝法制备磁性邻苯二甲酸二丁酯印迹聚合物及其识别性能研究[J]. 分析化学, 2017, 45(4): 521-528. doi: 10.11895/j.issn.0253-3820.160849 shu

Citation: XU Wan-Zhen, ZHANG Xiao-Ming, HUANG Wei-Hong, NIE Yi-Jing, YANG Wen-Ming. Preparation of Magnetic Imprinted Polymer by Surface Grafting and Its Recognition Performance for Dibutyl Phthalate[J]. Chinese Journal of Analytical Chemistry, 2017, 45(4): 521-528. doi: 10.11895/j.issn.0253-3820.160849 shu

表面接枝法制备磁性邻苯二甲酸二丁酯印迹聚合物及其识别性能研究

1.
江苏大学环境与安全工程学院, 镇江 212013;
2.
江苏大学材料科学与工程学院, 镇江 212013
基金项目:
本文系国家自然科学基金项目（No.21677064），中国博士后自然科学基金项目（No.2015T80515），江苏省自然科学基金项目（Nos.BK20151323，BK20151337）资助

摘要: 采用表面接枝法对四氧化三铁纳米粒子表面进行功能化修饰，以二甲基丙烯酸乙二醇酯（EGDMA）为交联剂，偶氮二异丁腈（AIBN）为引发剂，成功制备了对邻苯二甲酸二丁酯（DBP）具有特异识别性能的磁性表面印迹聚合物（MMIPs）。利用扫描电镜、透射电镜、振动样品磁强计、元素分析、红外光谱等对其进行表征。BET测试结果表明，MMIPs的比表面积（380 m²/g）大于MNIPs（324 m²/g）。吸附动力学、等温线模型分析显示，MMIPs对DBP的Sips等温线模型相关系数R²=0.999，动力学Pseudo-second-order 模型相关系数（R²）为0.9797。对邻苯二甲酸二烯丙酯（DAP）、DBP和邻苯二甲酸二（2-乙基己基）酯（DEHP）的印迹因子分别为1.53、2.21和1.39，对DBP具有较高的印迹因子和较好的识别性能。磁性分子印迹聚合物经5次再生后，对DBP的吸附能力仅下降了12.3%，表明再生循环效果较好。

关键词:

English

Preparation of Magnetic Imprinted Polymer by Surface Grafting and Its Recognition Performance for Dibutyl Phthalate

1.
School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China;
2.
School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
Received Date: 21 November 2016
Revised Date: 25 January 2017
Fund Project:
This work was supported by the National Natural Science Foundation of China (No.21677064)

Abstract: The magnetic molecularly imprinted polymers (MMIPs), based on the surface of magnetic nanoparticles being modified by surface grafting, have been successfully synthesized, with dibutyl phthalate (DBP) as template molecule, ethylene glycol dimethacrylate (EGDMA) as cross-linking agent and azobisisobutyronitrile (AIBN) as initiator. Scanning electron microscopy (SEM), transmission electron microscope (TEM), and elemental analysis were employed to characterize the MMIPs. The structure and magnetic properties of the MMIPs were investigated by means of X-ray diffraction and vibrating sample magnetometer. The BET surface area shows that MMIPs is 380 m²/g and MNIPs is 324 m²/g. A series of static adsorption experiments were conducted to analyze its adsorption performance, which followed pseudo-second-order model by the kinetic analysis with correlation coefficient (R2) 0.9797, and Sips equation with correlation coefficient (R²) 0.999 by the isothermal analysis. The imprinting factors of diallyl phthalate (DAP), DBP and di-2-ethylhexyl phthalate (DEHP) were 1.53, 2.21 and 1.39 respectively, showing that MMIPs had better recognition performance for DBP. The experiment of regeneration recycles with five times showed the regeneration ability of DBP was only reduced by 12.3%.

Key words:

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收稿日期: 2016-11-21

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表面接枝法制备磁性邻苯二甲酸二丁酯印迹聚合物及其识别性能研究

English

Preparation of Magnetic Imprinted Polymer by Surface Grafting and Its Recognition Performance for Dibutyl Phthalate

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

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CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs