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A Multiresponsive, Shape‐Persistent, and Elastic Supramolecular Polymer Network Gel Constructed by Orthogonal Self‐Assembly
Author(s) -
Yan Xuzhou,
Xu Donghua,
Chi Xiaodong,
Chen Jianzhuang,
Dong Shengyi,
Ding Xia,
Yu Yihua,
Huang Feihe
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201103220
Subject(s) - materials science , supramolecular chemistry , self assembly , polymer , supramolecular polymers , polymer network , soft materials , chemical engineering , polymer chemistry , nanotechnology , composite material , molecule , organic chemistry , chemistry , engineering
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.