Synthesis and application of ammonium-based poly(ionic liquids) as novel cationic flocculants

被引：0
作者：
Kamil Czerniak
Krzysztof Dwiecki
Łukasz Majchrzycki
Adrian Czerniak
Wojciech Białas
机构：
[1] Poznan University of Technology,Department of Chemical Technology
[2] Poznan University of Life Sciences,Department of Food Biochemistry and Analysis
[3] Wielkopolska Centre of Advanced Technologies,Department of Biotechnology and Food Microbiology
[4] Poznan University of Life Sciences,undefined
来源：
Chemical Papers | 2017年 / 71卷
关键词：
Ionic liquid; Photopolymerization; Flocculation; Yeast;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The efficient and environmentally friendly method for preparation of novel flocculants using ILs with non-toxic anions are presented. Poly(ionic liquids) (PILs) were prepared by the photopolymerization of polymerizable ILs. All monomers were obtained via anion exchange reaction. Additionally, the polymers were fully characterized by 1H NMR and FTIR spectroscopy, thermal analysis and gel permeation chromatography. Furthermore, these cationic polymers containing harmless anions were used as flocculants. The efficiency was tested using the yeast suspension as a model system of negatively charged particles. The synthesized water-soluble PILs exhibited high molecular weight and significant flocculation efficiency in the wide range of concentrations. Furthermore, the results of experiments show that flocculation of yeast occurs by charge neutralization and bridging mechanism.
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页码：639 / 646
页数：7
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