Supramolecular Network Based on the Self-Assembly of γ-Cyclodextrin with Poly(ethylene glycol) and its Shape Memory Effect

Min-Min Fan; Zhi-Jun Yu; Hai-Ya Luo; Sheng Zhang; Bang-Jing Li

doi:10.1002/marc.200800712

Supramolecular Network Based on the Self-Assembly of γ-Cyclodextrin with Poly(ethylene glycol) and its Shape Memory Effect

Macromol Rapid Commun. 2009 Jun 2;30(11):897-903. doi: 10.1002/marc.200800712. Epub 2009 Feb 18.

Authors

Min-Min Fan¹, Zhi-Jun Yu, Hai-Ya Luo, Sheng Zhang, Bang-Jing Li

Affiliation

¹ State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China.

PMID: 21706545
DOI: 10.1002/marc.200800712

Abstract

A novel supramolecular network has been prepared based on the formation of inclusion complexes between γ-cyclodextrin and poly(ethylene glycol), in which the PEG chains are interlocked by γ-CD rings. This PEG/γ-CD network exhibits good shape memory behavior because of the crosslinked structure. The crosslinked PEG/γ-CD inclusion complexes and PEG crystallites account for the fixing phase and reversible phase, respectively. The characteristics of the materials have been investigated by (1) H NMR spectroscopy, XRD, DSC, DMA, viscosity tests, and swelling measurements.