Green synthesis, characterization and catalytic efficiency of hypercross-linked porous polymeric ionic liquid networks towards 4-nitrophenol reduction

被引：41
作者：
Chinnappan, Amutha [1 ]
Tamboli, Ashif H. [1 ]
Chung, Wook-Jin [1 ]
Kim, Hem [1 ]
机构：
[1] Myongji Univ, Dept Energy Sci & Technol, Energy & Environm Fus Technol Ctr, Yongin 17058, Gyeonggi Do, South Korea
来源：
CHEMICAL ENGINEERING JOURNAL | 2016年 / 285卷
基金：
新加坡国家研究基金会;
关键词：
Polymeric ionic liquid; Porosity; Hypercross-linked; 4-Nitrophenol reduction; NaBH4; Catalytic lifetime; MICROPOROUS ORGANIC POLYMERS; HIGHLY EFFICIENT;
D O I：
10.1016/j.cej.2015.10.032
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this work, we synthesized hypercross-linked porous polystyrene (PS)/ionic liquid (IL) networks by Friedel Crafts alkylation reaction. The obtained porous polymer networks were confirmed by scanning electron microscopy, high resolution-transmission electron microscopy, Fourier-transform infrared spectra and energy-dispersive X-ray spectroscopy. The hypercross-linked porous PS/IL networks showed high surface area (541.13 m(2)/g) and hierarchical porosity compared with non-porous PS membranes (2.52 m(2)/g). The as-prepared hypercross-linked porous PS/IL networks were tested as a catalyst for the reduction of 4-nitrophenol (NP) in aqueous sodium borohydride (NaBH4) solution at ambient temperature. A number of parameters such as catalyst concentration, NaBH4 concentration, and recyclability was investigated for their effect on catalytic performance on the reduction of 4-NP. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：554 / 561
页数：8
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