A Stimulus-Response and Self-Healing Supramolecular Polymer Gel Based on Host-Guest Interactions

被引：34
|
作者：
Li, Shuang [1 ,2 ]
Lu, Hai-Yan [2 ]
Shen, Yun [1 ,2 ]
Chen, Chuan-Feng [1 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Mol Recognit & Funct, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2013年 / 214卷 / 14期
基金：
中国国家自然科学基金;
关键词：
host-guest interaction; self-healing; stimulus-response; supramolecular polymer gel; HYDROGELS; NETWORKS;
D O I：
10.1002/macp.201300229
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 supramolecular polymer gel is formed by host-guest interactions between a DB24C8-based bis(crown ether) and a copolymer containing the dibenzylammonium moiety. The formation of the gel and its cross-linked networks structure are evidenced by H-1 NMR spectroscopy, viscometry, and SEM. Interestingly, the gel shows both pH- and thermoesponsive behaviors, and excellent self-healing properties. The self-healing property of the gel is tested by rheological measurements, and it can also be seen visually and directly. The presented work provides a new strategy for the construction of the self-healing supramolecular polymer gels with potential applications in smart materials.
引用
收藏
页码：1596 / 1601
页数：6
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