界面功能化多孔聚合物整体柱的制备及其对铜离子的吸附性能。
Fabrication of interfacial functionalized porous polymer monolith and its adsorption properties of copper ions.
机构信息
Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education, Beijing 100029, PR China.
Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education, Beijing 100029, PR China.
出版信息
J Hazard Mater. 2014 Jul 15;276:225-31. doi: 10.1016/j.jhazmat.2014.05.035. Epub 2014 May 22.
The interfacial functionalized poly (glycidyl methacrylate) (PGMA) porous monolith was fabricated and applied as a novel porous adsorbent for copper ions (Cu(2+)). PGMA porous material with highly interconnected pore network was prepared by concentrated emulsion polymerization template. Then polyacrylic acid (PAA) was grafted onto the interface of the porous monolith by the reaction between the epoxy group on PGMA and a carboxyl group on PAA. Finally, the porous monolith was interfacial functionalized by rich amount of carboxyl groups and could adsorb copper ions effectively. The chemical structure and porous morphology of the porous monolith were measured by Fourier transform infrared spectroscopy and scanning electron microscopy. Moreover, the effects of pore size distribution, pH value, co-existing ions, contacting time, and initial concentrations of copper ions on the adsorption capacity of the porous adsorbents were studied.
界面功能化聚（甲基丙烯酸缩水甘油酯）（PGMA）多孔整体柱的制备及其作为新型多孔吸附剂用于铜离子（Cu(2+)）的吸附。通过浓缩乳液聚合模板制备了具有高度互联孔网络的 PGMA 多孔材料。然后，通过 PGMA 上的环氧基团与 PAA 上的羧基之间的反应，将聚丙烯酸（PAA）接枝到多孔整体柱的界面上。最后，多孔整体柱通过丰富的羧基进行界面功能化，可有效吸附铜离子。通过傅里叶变换红外光谱和扫描电子显微镜测量了多孔整体柱的化学结构和多孔形态。此外，还研究了孔径分布、pH 值、共存离子、接触时间和铜离子初始浓度对多孔吸附剂吸附容量的影响。
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