Volume 137, Issue 9 e202424147
Zuschrift

Kinetic Control of Self-Assembly Pathway in Dual Dynamic Covalent Polymeric Systems

Ling Liu

Ling Liu

Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China

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Dr. Yuanxin Deng

Dr. Yuanxin Deng

Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China

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Da-Hui Qu

Da-Hui Qu

Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China

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Prof. Dr. Ben L. Feringa

Prof. Dr. Ben L. Feringa

Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China

Stratingh Institute for Chemistry and Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, Netherlands

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Prof. Dr. He Tian

Prof. Dr. He Tian

Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China

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Jun.-Prof. Dr. Qi Zhang

Corresponding Author

Jun.-Prof. Dr. Qi Zhang

Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 China

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First published: 14 January 2025

Abstract

Kinetically controlled self-assembly is garnering increasing interest in the field of supramolecular polymers and materials, yet examples involving dynamic covalent exchange remain relatively unexplored. Here we report an unexpected dynamic covalent polymeric system whose aqueous self-assembly pathway is strongly influenced by the kinetics of evaporation of water. The key design is to integrate dual dynamic covalent bonds—including disulfide bonds and boroxine/borate—into a dynamic equilibrium system of monomers, polymers, and materials. This dual dynamic covalent design allows polymer growth and crosslinking to occur with the same spatiotemporal characteristics, governed solely by solvent evaporation. We found that a single building block can assemble into two distinct types of polymeric materials, each characterized by unique crosslinking topologies, orders, solubility, and macroscopic properties. The dual dynamic nature of the materials imparts them with intrinsic reconfigurability, such as interfacial repairability and close-loop chemical recyclability.

Data Availability Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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