Preparation of porous cellulose beads with ionic liquid mixed solvent

被引：0
|
作者：
Wang, Peng [1 ]
Lin, Dong-Qiang [1 ]
Yao, Shan-Jing [1 ]
机构：
[1] State Key Laboratory of Chemical Engineering, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
来源：
Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science) | 2013年 / 47卷 / 12期
关键词：
Ion exchangers - Liquid chromatography - Solvents - Ionic liquids - Chlorine compounds;
D O I：
10.3785/j.issn.1008-973X.2013.12.013
中图分类号：
学科分类号：
摘要：
Aiming at the limitation of cellulose dissolution with the traditional methods, microcrystalline cellulose was dissolved in the mixed solvent of 1-buthy-3-methylimidazolium chloride (BmimCl) and 1, 3-dimethyl-2-imidazolidinone (DMI). Porous cellulose beads were prepared with the method of water-in-oil suspension regeneration. The influences of solvent proportion on the dissolubility of cellulose and bead preparation were investigated. Physical properties of the beads were characterized, and the cellulose beads showed good sphericity, porosity, pore diameter and specific surface area. Furthermore, cellulose beads were functionalized to prepare anion exchanger and good adsorption performance was found. The results indicated that the developed method has the advantage of process robustness and can be used as a new method to prepare cellulose matrices for the chromatographic separation.
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页码：2160 / 2164
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