A Multiresponsive, Shape-Persistent, and Elastic Supramolecular Polymer Network Gel Constructed by Orthogonal Self-Assembly

作者：Yan, Xuzhou; Xu, Donghua; Chi, Xiaodong; Chen, Jianzhuang; Dong, Shengyi; Ding, Xia; Yu, Yihua; Huang, Feihe^*

来源：Advanced Materials, 2012, 24(3): 362-+.

DOI：10.1002/adma.201103220

• crown compounds
• sol-gel processes
• elastomers
• host-guest systems
• supramolecular chemistry

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.

• 出版日期2012-1-17
• 单位华东师范大学; 浙江大学; 中国科学院; 中国科学院长春应用化学研究所; 高分子物理与化学国家重点实验室