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中文摘要: 以β-环糊精修饰的壳聚糖(CDCS)和二茂铁修饰的聚乙二醇(FcPEG)为构筑单元,以β-环糊精和二茂铁的主客体相互作用为驱动
,构筑了水溶性的超分子聚合物CDCS-FcPEG。在此基础上,加入α-环糊精(α-CD),通过其对聚乙二醇的穿环络合诱导结晶作用,制备
了壳聚糖基水凝胶。使用核磁(1H-NMR)、紫外 可见光谱法(UV-Vis)、X射线衍射分析(XRD)和循环伏安法(CV)等手段进行了验证。
结果表明:超分子聚合物CDCS-FcPEG与共价键连接的传统聚合物一样可以和α-CD形成凝胶。
Abstract:Driven by the host guest interaction between β-cyclodextrin and ferrocene in aqueous solution, a water soluble
supramolecular copolymer CDCS-FcPEG was obtained based on β-cyclodextrin modified chitosan (CDCS) and ferrocene modified
polyethylene glycol (FcPEG) as building blocks. The CDCS FcPEG further constructed into hydrogel with α cyclodextrin (α
-CD), owing to the formation of crystalline inclusion complex of α CD and PEG. These processes were monitored by 1H NMR,
UV Vis spectroscopy (UV-Vis), X-ray diffraction (XRD) and cyclic voltammetry (CV). Results show that CDCS FcPEG can form
hydrogel with α-CD like traditional copolymers linked by covalent bonds.
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基金项目:中国科学院研究生院院长基金资助项目
作者 | 单位 | |
王亮 | 中国科学院大学化学与化学工程学院,北京 100049 | wangliang0036@yahoo.com.cn |
郭成功 | 中国科学院大学化学与化学工程学院,北京 100050 | |
王彩旗 | 中国科学院大学化学与化学工程学院,北京 100051 | wang_caiqi@gucas.ac.cn |
引用本文:
王亮,郭成功,王彩旗.基于β-环糊精和二茂铁主客体作用的超分子聚合物的制备及其凝胶化[J].功能高分子学报,2012,25(4):.
WANG Liang,GUO Cheng gong,WANG Cai qi.Preparation and Gelation of Supramolecular Copolymer Based on the Host Guest Interaction between Cyclodextrin and Ferrocene[J].Journal of Functional Polymers,2012,25(4):.
王亮,郭成功,王彩旗.基于β-环糊精和二茂铁主客体作用的超分子聚合物的制备及其凝胶化[J].功能高分子学报,2012,25(4):.
WANG Liang,GUO Cheng gong,WANG Cai qi.Preparation and Gelation of Supramolecular Copolymer Based on the Host Guest Interaction between Cyclodextrin and Ferrocene[J].Journal of Functional Polymers,2012,25(4):.