Preparation of insoluble β-CD polyme

Preparation of insoluble β-CD polymer and its application to enantiomers and isomers separation

An insoluble β-cyclodextrin polymer cross-linked with epichlorohydrin was prepared, and its structure was identified with infrared spectrum. Colloid stationary phase was prepared by dissolving the polymer in the mixed solvent of diisopropyl ether, methylene dichloride and benzene and treated for 0.5 h by ultrasonication, and then was coated on a fused silica capillary column. The optimun reaction conditions are as follows: the mole ratio of epichlohydrin to β-cyclodextrin is 12.1∶1, reacting at 65 ℃ for 24 h. The Chromatographic performance such as column efficiency, thermal stabilities and polarity were studied, two kinds of disubstituted benzene isomers and eight pairs of enantiomers were separated on the capillary column. The results show that the β-cyclodextrin polymer is suitable for use as a capillary gas chromatographic stationary phase, and possess excellent chromatographic properties in separating enantiomers and position isomers.

作 者： YI Jian-ming TANG Kuo-wen   作者单位： YI Jian-ming(College of Chemistry and Chemical Engineering, Central South University,)

TANG Kuo-wen(Department of Chemical Engineering, Yueyang Normal University,) 

刊 名： 中南工业大学学报(英文版)  EI SCI 英文刊名： JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY(ENGLISH EDITION)  年，卷(期)： 2001 8(1)  分类号： O6  关键词：  

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