New supramolecular assemblies of a cyclodextrin-grafted chitosan through specific complexation

被引：88

作者：

Auzély-Velty, R ^{[1
]}

Rinaudo, M ^{[1
]}

机构：

[1] Univ Grenoble 1, Ctr Rech Macromol Vegetales, CNRS, F-38041 Grenoble, France

来源：

MACROMOLECULES | 2002年 / 35卷 / 21期

关键词：

D O I：

10.1021/ma020664o

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

New supramolecular assemblies based on a chitosan bearing pendant cyclodextrins were prepared. For this purpose, adamantyl groups which can selectively be included in the cyclodextrin cavity were grafted on chitosan and various poly(ethylene glycol)s (M-n = 3400, 6000, 20000) affording guest macromolecules with different structural features. The specific interaction of the latter with CD-chitosan through inclusion complex formation was examined by rheological measurements. Physical cross-linking between CD-chitosan chains was shown to occur, leading to large increase of the viscosity or gel-like behavior, depending on the guest.

引用

页码：7955 / 7962

页数：8

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