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Supramolecular self-healing materials from non-covalent cross-linking host-guest interactions

Abstract

The introduction of non-covalent bonds is effective for achieving self-healing properties because they can be controlled reversibly. One approach to introduce these bonds into supramolecular materials is use of host-guest interactions. This feature article summarizes the development of supramolecular materials constructed by non-covalent cross-linking through several approaches, such as host-guest interactions between host polymers and guest polymers, 1:2-type host-guest interactions, and host-guest interactions from the polymerization of host-guest inclusion complexes. Host-guest interactions show self-healing functions while also enabling stimuli-responsiveness (redox, pH, and temperature). The self-healing function of supramolecular materials is achieved by stress dispersion arising from host-guest interactions when stress is applied. Reversible bonds based on host-guest interactions have tremendous potential to expand the variety of functional materials.

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Article information


Submitted
24 Jan 2020
Accepted
20 Mar 2020
First published
20 Mar 2020

Chem. Commun., 2020, Accepted Manuscript
Article type
Feature Article

Supramolecular self-healing materials from non-covalent cross-linking host-guest interactions

G. Sinawang, M. Osaki, Y. Takashima, H. Yamaguchi and A. Harada, Chem. Commun., 2020, Accepted Manuscript , DOI: 10.1039/D0CC00672F

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