A Hybrid Supramolecular Polymeric Hydrogel with Rapid Self-Healing Property

被引：28
|
作者：
Chen, Lin [1 ,2 ]
Chen, Hui [1 ,2 ]
Yao, Xuyang [1 ,2 ]
Ma, Xiang [1 ,2 ]
Tian, He [1 ,2 ]
机构：
[1] E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
[2] E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China
来源：
CHEMISTRY-AN ASIAN JOURNAL | 2015年 / 10卷 / 11期
关键词：
gold nanoparticles; hybrid; self-healing; stiffness enhancement; supramolecular polymeric hydrogels; HOST-GUEST INTERACTIONS; BETA-CYCLODEXTRIN; RECOGNITION; GELS; AGGREGATION; TRANSITION; MONOMERS; BEARING;
D O I：
10.1002/asia.201500704
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A hybrid supramolecular polymeric hydrogel is conveniently constructed via host-guest interaction of a host cyclodextrin polymer (poly-CD) with a guest -bromonaphthalene polymer (poly-BrNp) and mixing with 6-thio--cyclodextrin (-SH-CD) modified gold nanoparticles (GPCDs) in aqueous solution. According to the dynamic oscillatory data, the hydrogel exhibits markedly enhanced stiffness compared with the GPCD-free one (both G and G values are almost twice as high as those of the original GPCD-free hydrogel) due to the introduction of the inorganic gold nanoparticles. This hybrid supramolecular polymeric hydrogel has a rapid and excellent self-healing property (only about 1min, and the G and G of the self-healed hydrogel almost turned back to their original levels after 1 hour) in air (without adding any solvent or additive).
引用
收藏
页码：2352 / 2355
页数：4
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