侧链携带金刚烷的聚(N-异丙基丙烯酰胺)与环糊精二聚体构筑可控超分子体系

doi:10.7517/j.issn.1674-0475.2012.03.200

影像科学与光化学 ›› 2012, Vol. 30 ›› Issue (3): 200-209.DOI: 10.7517/j.issn.1674-0475.2012.03.200

侧链携带金刚烷的聚(N-异丙基丙烯酰胺)与环糊精二聚体构筑可控超分子体系

李姝静, 梁海燕, 王心蕊

北京工商大学理学院化学系,北京 100048

收稿日期:2012-02-13 修回日期:2012-03-18 出版日期:2012-05-15 发布日期:2012-05-15
通讯作者: 李姝静(1980-),女,博士,E-mail:lishujing@mail.ipc.ac.cn.
基金资助:
北京市教育委员会科技发展面上项目(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.

Supramolecular System Obtained by Adamantyl-Containing Pnipam Copolymers with Cyclodextrin Dimers

LI Shu-jing, LIANG Hai-yan, WANG Xin-rui

Department of Chemistry, School of Science, Beijing Technology and Business University, Beijing 100048, P.R.China

Received:2012-02-13 Revised:2012-03-18 Online:2012-05-15 Published:2012-05-15

摘要/Abstract

摘要： 合成了侧链携带金刚烷的温敏性聚合物(Pnipam-Ad)及环糊精二聚体(trans-Azo β-CD Dimer),利用Pnipam-Ad侧链的金刚烷与trans-Azo β-CD Dimer的主客体识别作用构筑了超分子体系.以二维核磁共振谱(2D NMR)、粘度法等手段对Pnipam-Ad与trans-Azo β-CD Dimer之间的主客体包结作用进行了研究,两者之间的缔合受Pnipam-Ad和trans-Azo β-CD Dimer浓度及trans-Azo β-CD Dimer光异构的影响.此外,trans-Azo β-CD Dimer对Pnipam-Ad聚合物链的物理交联作用使两者混合溶液的最低临界溶解温度(LCST)低于纯P(NIPAM)的LCST.

关键词: 环糊精二聚体, 主客体相互作用, 温度敏感性, 超分子

Abstract: The adamantyl-containing polymer (Pnipam-Ad) and cyclodextrin dimer (trans-Azo β-CD Dimer) were synthesized. A supramolecular system was constructed by the formation of inclusion complex between Pnipam-Ad and trans-Azo β-CD Dimer. The inclusion behavior was investigated by 2D NMR and viscosity measurement. The interaction between Pnipam-Ad and trans-Azo β-CD Dimer was depended on the concentration of Pnipam-Ad, trans-Azo β-CD Dimer and the photoisomerization of trans-Azo β-CD Dimer. In addition, the lower critical solution temperature (LCST) of the supramolecular networks consisting trans-Azo β-CD Dimer and Pnipam-Ad are significantly lower than those of pure P(NIPAM).

Key words: cyclodextrin dimer, host-guest interaction, thermo-sensitivity, supramolecular

中图分类号:

李姝静, 梁海燕, 王心蕊. 侧链携带金刚烷的聚(N-异丙基丙烯酰胺)与环糊精二聚体构筑可控超分子体系[J]. 影像科学与光化学, 2012, 30(3): 200-209.

LI Shu-jing, LIANG Hai-yan, WANG Xin-rui. Supramolecular System Obtained by Adamantyl-Containing Pnipam Copolymers with Cyclodextrin Dimers[J]. Imaging Science and Photochemistry, 2012, 30(3): 200-209.

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侧链携带金刚烷的聚(N-异丙基丙烯酰胺)与环糊精二聚体构筑可控超分子体系

Supramolecular System Obtained by Adamantyl-Containing Pnipam Copolymers with Cyclodextrin Dimers

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