A Multiresponsive, Shape-Persistent, and Elastic Supramolecular Polymer Network Gel Constructed by Orthogonal Self-Assembly
A Multiresponsive, Shape-Persistent, and Elastic Supramolecular Polymer Network Gel Constructed by Orthogonal Self-Assembly
复制标题
正交自组装构建的多响应、形状持久、弹性超分子聚合物网络凝胶
DOI：
10.1002/adma.201103220
复制
发表时间：
2012-01-17
影响因子：
29.4
通讯作者：
Huang, Feihe
中科院分区：
文献类型：
--
作者：
Yan, Xuzhou;Xu, Donghua;Huang, Feihe
设计并制备了一种交联的超分子聚合物网络凝胶，该凝胶显示出可逆的凝胶-溶胶转变，其由pH、温度、阳离子浓度和金属配位的变化引起。凝胶孔径由添加到系统中的交联剂的量控制，并且该材料可以模塑成具有弹性行为的形状持久的独立物体。这些特点都是由于动态可逆的主客体络合和交联聚合物网络的良好机械性能。以前没有报道过单一的有机凝胶具有所有这些特征，使这种超分子凝胶成为前所未有的智能软材料。
A cross-linked supramolecular polymer network gel is designed and prepared, which shows reversible gel-sol transitions induced by changes in pH, temperature, cation concentration, and metal co-ordination. The gel pore size is controlled by the amount of cross-linker added to the system, and the material can be molded into shape-persistent, free-standing objects with elastic behavior. These features are all due to the dynamically reversible host-guest complexation and good mechanical properties of the cross-linked polymer network. No single organogel has previously been reported to possess all of these features, making this supramolecular gel an unprecedentedly intelligent soft material.