Thiol-Ene Click Synthesis of Phenylboronic Acid-Functionalized Covalent Organic Framework for Selective Catechol Removal from Aqueous Medium

被引：62
作者：
Ji, Shi-Lei [1 ]
Qian, Hai-Long [2 ,3 ]
Yang, Cheng-Xiong [1 ]
Zhao, Xu [2 ,3 ]
Yan, Xiu-Ping [2 ,3 ]
机构：
[1] Nankai Univ, Coll Chem, Tianjin Key Lab Mol Recognit & Biosensing, Res Ctr Analyt Sci, Tianjin 300071, Peoples R China
[2] Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China
[3] Jiangnan Univ, Sch Food Sci & Technol, Inst Analyt Food Safety, Wuxi 214122, Jiangsu, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2019年 / 11卷 / 49期
基金：
中国国家自然科学基金;
关键词：
thiol-ene click strategy; covalent organic framework; phenylboronic acid; catechol removal; aqueous medium; ADSORPTION; PHENOL; CARBON; WATER; CONSTRUCTION; CRYSTALLINE; ADSORBENTS; RESORCINOL; EFFICIENT; RECOVERY;
D O I：
10.1021/acsami.9b17324
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report a thiol-ene click strategy for the preparation of a novel phenylboronic acid-functionalized covalent organic framework (COF) for selective removal of catechol in aqueous solution. Vinyl-functionalized 2,5-diallyloxyterephthalaldehyde (Da-V) was prepared as a building ligand. Da-V was then condensed with 1,3,5-tris(4-aminophenyl)benzene (Tab) to give a vinyl-functionalized COF DhaTab-V. Subsequently, 4-mercaptophenylboronic acid (4-MPBA) was covalently linked on DhaTab-V via thiol-ene click reaction to give phenylboronic acid-functionalized COF DhaTab-PBA. The adsorption isotherms, energetics and kinetics, and reusability of DhaTab-PBA for the adsorption and removal of catechol from aqueous solution were investigated in detail. This phenylboronic acid-functionalized COF is promising as sorbent for selective removal of catechol from aqueous medium with large adsorption capacity and good reusability.
引用
收藏
页码：46219 / 46225
页数：7
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