葫芦脲与主链聚紫精的超分子自组装制备准聚轮烷及其性质研究

高等学校化学学报 ›› 2005, Vol. 26 ›› Issue (4): 773.

葫芦脲与主链聚紫精的超分子自组装制备准聚轮烷及其性质研究

侯昭升¹, 谭业邦¹, 王成威¹, 黄玉玲¹, 周其凤²

1. 山东大学化学与化工学院, 济南 250100;
2. 北京大学化学与分子工程学院, 北京 100871

收稿日期:2004-03-11 出版日期:2005-04-10 发布日期:2005-04-10
通讯作者: 谭业邦(1964年出生),男,教授,主要从事功能性高分子和聚轮烷研究.E-mail:ybtan@sdu.edu.cn E-mail:ybtan@sdu.edu.cn
基金资助:
教育部出国留学启动基金(批准号:2002247);山东大学青年基金资助.

Pseudopolyrotaxane Prepared by Supramolecular Self-assembly of Cucurbituril with Polyviologen and Its Properties

HOU Zhao-Sheng¹, TAN Ye-Bang¹, WANG Cheng-Wei¹, HUANG Yu-Ling¹, ZHOU Qi-Feng²

1. School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China;
2. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China

Received:2004-03-11 Online:2005-04-10 Published:2005-04-10

摘要/Abstract

摘要： 通过葫芦[6]脲(CB[6])与五亚甲基聚紫精(PPeV)在水溶液中于室温下进行超分子组装,得到一种新型的准聚轮烷(PPeVCB),通过¹HNMR、元素分析、IR和X射线粉末衍射(XRD)对其结构进行了表征,证实CB[6]位于PPeV的脂肪链上,并通过非共价键与PPeV结合,且CB[6]与PPeV重复单元的结合摩尔比为1∶1;通过热重分析(TGA)、紫外-可见吸收(UV-Vis)和化学还原等方法对其性质进行了研究,证实了准聚轮烷3比相应的聚合物热稳定性更高、UV-Vis吸收和氧化能力更强.

关键词: 准聚轮烷, 聚紫精, 葫芦脲, 自组装

Abstract: A new kind of pseudopolyrotaxane(PPeVCB) was prepared by supramolecular self-assembly of cucurbituril(CB) with pentamethylene polyviologen(poly(N-4,4'-bipyridinium-N-pentamethylene dibromide, PPeV) in water at room temperature. The chemical structure of PPeVCB was confirmed by elemental analysis, ¹HNMR, IR and X-ray powder diffraction(XRD). The results show that CB beads are localized in the aliphatic chain and combine N+ of PPeV by non-covalent bonds; the molar ratio of CB to repeat unit of PPeV is 1∶1. The properties of pseudopolyrotaxane PPeVCB were researched by thermogravimetry analysis(TGA), UV-Vis measurements and chemical reduction. The results show that PPeVCB has a higher thermal stability, stronger absorption band and higher oxidation ability than the parent polymer.

Key words: Pseudopolyrotaxane, Polyviologen, Cucurbituril, Self-assembly

中图分类号:

O631

TrendMD:

侯昭升, 谭业邦, 王成威, 黄玉玲, 周其凤. 葫芦脲与主链聚紫精的超分子自组装制备准聚轮烷及其性质研究. 高等学校化学学报, 2005, 26(4): 773.

HOU Zhao-Sheng, TAN Ye-Bang, WANG Cheng-Wei, HUANG Yu-Ling, ZHOU Qi-Feng. Pseudopolyrotaxane Prepared by Supramolecular Self-assembly of Cucurbituril with Polyviologen and Its Properties. Chem. J. Chinese Universities, 2005, 26(4): 773.

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