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

页码：2352 / 2355

页数：4

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