Solubility of β-cyclodextrin in different mixed solvents

被引:0
作者
Yu Yong Li Jiguang Sun Yan Liang Qianqing Peng Xiaoming Liu Yansheng Hu Yufeng Laboratory of Green Chemistry and Chemical EngineeringChina University of PetroleumBeijing China [102249 ]
机构
关键词
β-cyclodextrin; ionic liquid; solubility; mixed solvent;
D O I
暂无
中图分类号
O636.1 [高分子多聚糖];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
<正>The solubility ofβ-cyclodextrin (β-CD) in ionic liquid/N,N-dimethyl-acetamide (IL/DMAC) mixed solvent and in LiCI/DMAC mixed solvent was investigated at 323.15 K and 353.15 K.The results showed that the solubility ofβ-CD in IL/DMAC system increased with increasing temperature,but decreased in LiCI/DMAC system.β-CD had the highest solubility in IL/DMAC system with [Cl]- or [Br]- anions.The solubility ofβ-CD in LiCl/DMAC system was lower than that in IL/DMAC system with [Cl]- or [Br]- anions but higher than that in IL/DMAC system with weak-coordinated anions (e.g [BF4]- or [PF6]-).The effects of substituent groups (benzyl and butyl) of cation and the structure of cations onβ-cyclodextrin solubility were also investigated.
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页码:263 / 268
页数:6
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