Issue 65, 2023

Transient regulation of gel properties by chemical reaction networks

Abstract

Transient regulation of gel properties by chemical reaction networks (CRNs) represents an emerging and effective strategy to program or temporally control the structures, properties, and functions of gel materials in a self-regulated manner. CRNs provide significant opportunities to construct complex or sustainable gels with excellent dynamic features, thus expanding the application scope of these materials. CRN-based methods for transiently regulating the gel properties are receiving increasing attention, and the related fields are worth further studying. This feature article focuses on the CRN-mediated transient regulation of six properties of gels, which are transient gelation, transient liquefaction of gels, transient assembly of macroscopic gels, temporary actuation of gels, transient healing ability of kinetically inert gels, and cascade reaction-based self-reporting of external stimuli. Recent advances that showcase the six properties of gels controlled by CRNs are featured, the characterization and structural elucidation of gels are detailed, and the significance, achievements, and expectations of this field are discussed. The strategy of transient regulation of gel properties via CRNs is potentially useful for building the next generation of adaptive functional materials.

Graphical abstract: Transient regulation of gel properties by chemical reaction networks

Article information

Article type
Feature Article
Submitted
23 May 2023
Accepted
20 Jul 2023
First published
21 Jul 2023

Chem. Commun., 2023,59, 9818-9831

Transient regulation of gel properties by chemical reaction networks

Z. Wang, J. Xiao, T. Zhao, C. Zhang, L. Wang, N. He, Q. Kong and X. Wang, Chem. Commun., 2023, 59, 9818 DOI: 10.1039/D3CC02479B

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