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Related Experiment Video

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Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
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Toward Reprocessable High-Performance Elastomer: Self-Assembly, Dynamic Covalent Chemistry, and Tailorable

Xuan Qin1, Yushu Tian1, Hengheng Zhao1

  • 1State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)
|December 12, 2025
PubMed
Summary

Developing high-performance, recyclable elastomers is crucial for sustainability. This review explores integrating microphase engineering with dynamic covalent chemistry to create advanced materials for demanding applications.

Keywords:
covalent adaptable networksdynamic covalent chemistrieselastomer nanocompositespolyurethanereprocessability

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Area of Science:

  • Materials Science
  • Polymer Chemistry

Background:

  • High-performance elastomers like polyurethanes are vital for demanding applications due to their toughness and flexibility, stemming from microphase-separated structures.
  • Current challenges include meeting extreme operational demands and addressing sustainability concerns, particularly regarding end-of-life management and recyclability.

Purpose of the Study:

  • To review integrated strategies combining microphase engineering and dynamic covalent chemistry in elastomers.
  • To explore the potential for creating high-performance, recyclable elastomers for practical deployment.

Main Methods:

  • Discusses advances in characterization methodologies and molecular design for optimizing elastomer properties.
  • Highlights the role of dynamic covalent chemistry in enabling network topological rearrangement and reprocessability.
  • Reviews the theoretical framework of covalent adaptable networks linking molecular exchange to macroscopic properties.

Main Results:

  • Dynamic covalent chemistry allows for topological rearrangement in crosslinked networks without compromising integrity, enabling reprocessability.
  • Incorporating dynamic covalent chemistry into polyurethane elastomers facilitates closed-loop recycling and sustainable nanocomposite design.
  • These strategies retain the mechanical robustness and high performance of the elastomers.

Conclusions:

  • Integrated approaches bridging microphase engineering and dynamic network chemistry are key to advancing high-performance, recyclable elastomers.
  • Further research and development are needed to overcome challenges in the practical deployment of these sustainable materials.