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

被引:39
作者
Fan, Min-Min [1 ]
Yu, Zhi-Jun [1 ]
Luo, Hai-Ya [1 ]
Sheng Zhang [1 ]
Li, Bang-jing [2 ]
机构
[1] Sichuan Univ, Polymer Res Inst, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
[2] Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China
关键词
crosslinking; gamma-cyclodextrin; inclusion chemistry; physically crosslinked network; poly(ethylene glycol); shape memory; ALPHA-CYCLODEXTRIN; INCLUSION COMPLEXES; CROSS-LINKS; POLY(EPSILON-CAPROLACTONE); COPOLYMER; OXIDE); GEL;
D O I
10.1002/marc.200800712
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A novel supramolecular network has been prepared based on the formation of inclusion complexes between gamma-cyclodextrin and poly(ethylene glycol), in which the PEG chains are interlocked by gamma-CD rings. This PEG/gamma-CD network exhibits good shape memory behavior because of the crosslinked structure. The crosslinked PEG/gamma-CD inclusion complexes and PEG crystallites account for the fixing phase and reversible phase, respectively. The characteristics of the materials have been investigated by H-1 NMR spectroscopy, XRD, DSC, DAAA, viscosity tests, and swelling measurements.
引用
收藏
页码:897 / 903
页数:7
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