Solvothermal synthesis of carboxyl and amido functionalized mesoporous resins for water treatments

Solvothermal synthesis of carboxyl and amido functionalized mesoporous resins for water treatments
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用于水处理的羧基和酰胺基功能化介孔树脂的溶剂热合成

DOI:
10.1039/b920273k
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发表时间:
2010-05
影响因子:
--
通讯作者:
Xiao, Feng-Shou
Xiao, Feng-Shou
中科院分区:
--
文献类型:
--
作者:
Zhang, Yonglai;Wei, Shu;He, Yinyan;Nawaz, Faisal;Liu, Sen;Zhang, Haiyan;Xiao, Feng-Shou

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以二乙烯基苯和甲基丙烯酸为原料,在四氢呋喃和水的存在下,通过溶剂热聚合法合成了羧基功能化介孔树脂。一系列联合表征表明,这些材料具有无序的中孔,具有均匀的孔径(3.8-12.5 nm)和高BET表面积(383-547 m2 g-1)。此外,样品上的羧基可以通过化学反应共价接枝氨基,这赋予了这些介孔树脂在广泛的应用中有前途的性能。介孔树脂在吸附废水中常见的各种污染物方面表现出上级性能,在水处理领域具有巨大的应用潜力。
Carboxyl functionalized mesoporous resins have been successfully synthesized through solvothermal polymerization of divinylbenzene and methacrylic acid in the presence of tetrahydrofuran and water. A series of conjunct characterizations show that these materials have disordered mesopores with uniform pore sizes (3.8–12.5 nm) and high BET surface areas (383–547 m2 g−1). Furthermore, carboxyl groups on the samples could be covalently grafted by amido groups through chemical reactions, which imparts a promising property to these mesoporous resins in a broad range of applications. In the adsorption of various pollutants that usually exist in wastewater, the mesoporous resins exhibit superior performances, and thus have great potential in water treatments.
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