Preparation of SBA-15 surface lanthanum ion-imprinted polymer and its adsorption properties

Preparation of SBA-15 surface lanthanum ion-imprinted polymer and its adsorption properties
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SBA-15表面镧离子印迹聚合物的制备及其吸附性能

DOI:
10.1007/s00289-020-03395-x
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发表时间:
2020-10
期刊:
影响因子:
3.2
通讯作者:
Xiancai Li黎先财
Xiancai Li黎先财
中科院分区:
化学3区
文献类型:
--
作者:
Longlong Yue;Qian Xie;Yifeng Yang;Jing Li;Xiancai Li黎先财

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以聚乙烯亚胺为功能单体,SBA-15为基体材料,采用表面离子印迹法制备了镧离子印迹聚合物。对其结构进行了表征和分析,并进行了静态吸附实验,确定了吸附镧离子的最佳实验条件。研究了初始浓度、温度、吸附时间和pH值对镧离子表面印迹聚合物吸附的影响。此外,研究了La(III)-IIP-PEI/SBA-15对镧离子的再生性能,结果表明La(III)-IIP-PEI/SBA-15具有较强的特异性识别能力和较高的重复使用性能。
The preparation of a lanthanum ion-imprinted polymer is described via surface ion imprinting, with polyethyleneimine as the functional monomer and SBA-15 as the matrix material. Its structure was characterized and analyzed, and static adsorption experiments were carried out to determine the best experimental conditions for the adsorption of lanthanum ions. The effects of initial concentration, temperature, adsorption time and pH on the adsorption of lanthanum ion surface-imprinted polymer were investigated. In addition, the regeneration performance of La(III)-IIP-PEI/SBA-15 on lanthanum ion was studied and showed that La(III)-IIP-PEI/SBA-15 has strong specific recognition ability and high reuse performance.
DOI: 10.3724/sp.j.1105.2012.11284
发表时间: 2012-07
影响因子: 1.9
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