环糊精二聚体与金刚烷修饰聚丙烯酰胺的主客体相互作用  

A Supramolecular System Obtained by Cyclodextrin Dimers with Adamantyl Modified Polyacrylamide

作　　者：李姝静[1] 梁海燕[1] 王心蕊[1] 徐宝财[2] 

机构地区：[1]北京工商大学理学院化学系,北京100048 [2]北京工商大学食品学院,北京100048

出　　处：《精细化工》2012年第6期531-536,共6页Fine Chemicals

基　　金：国家自然科学基金(21176004);北京市教育委员会科技发展面上项目(No.KM201210011006);北京市属高等学校科学技术与研究生教育创新工程建设项目~~

摘　　要：合成了环糊精二聚体(trans-Azoβ-CD Dimer)及侧链含金刚烷(Ad)的聚丙烯酰胺(PAM-Ad),利用trans-Azoβ-CD Dimer与PAM-Ad侧链的Ad基团的主客体识别作用构筑了一类超分子体系。2D NMR测定结果表明,trans-Azoβ-CD Dimer和PAM-Ad的主客体相互作用是通过β-CD空腔和疏水体Ad形成包结络合物进行的。环糊精二聚体trans-Azoβ-CD Dimer和聚合物PAM-Ad两者之间的缔合程度受trans-Azoβ-CD Dimer和PAM-Ad的浓度、温度、盐浓度以及trans-Azoβ-CD Dimer光异构的影响。Cyclodextrin dimer（ trans-Azo β-CD Dimer） and adamantyl modified polyacrylamide（ PAM- Ad） were synthesized. A supramolecular system was constructed by the formation of inclusion complex between trans-Azo β-CD Dimer and PAM-Ad. The results of 2D NMR measurement indicate that the host-guest interaction between trans-Azo β-CD Dimer and PAM-Ad was carried out through the formation of inclusion complexes between β-CD cavity and the hydrophobe Ad. The interaction between trans-Azo fl-CD Dimer and PAM-Ad depended on the concentration of trans-Azo β-CD Dimer, PAM-Ad and the photoisomerization of trans-Azo /3-CD Dimer. The influences of salt concentration and temperature on the viscosity of the mixture solution were also studied.

关 键 词：环糊精二聚体 主客体相互作用 超分子 功能材料 

分 类 号：O631.32[理学—高分子化学]