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  3. Cytoskeleton-inspired Mechanically Interlocked Catenane Framework Enabling Robust Yet Dynamic Polymer Networks.
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  3. Cytoskeleton-inspired Mechanically Interlocked Catenane Framework Enabling Robust Yet Dynamic Polymer Networks.

Related Experiment Video

Reconstituting and Characterizing Actin-Microtubule Composites with Tunable Motor-Driven Dynamics and Mechanics
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Reconstituting and Characterizing Actin-Microtubule Composites with Tunable Motor-Driven Dynamics and Mechanics

Published on: August 25, 2022

Cytoskeleton-Inspired Mechanically Interlocked Catenane Framework Enabling Robust yet Dynamic Polymer Networks.

Yuhang Liu1,2, Wenbin Wang2, Yudong Chen2

  • 1Renji Branch of National Center for Translational Medicine, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China.

Advanced Materials (Deerfield Beach, Fla.)
|June 13, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

Inspired by red blood cells, new dynamic polymer networks with mechanically interlocked catenane frameworks offer enhanced robustness and adaptability. These advanced materials exhibit superior stiffness, strength, and thermal stability for high-performance applications.

Keywords:
catenane frameworkcytoskeleton‐inspired designdynamic polymeric materialshost−guest chemistrymechanical adaptivitymechanically interlocked polymers

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Supramolecular Chemistry

Background:

  • The red blood cell cytoskeleton inspires advanced polymeric materials.
  • Dynamic adaptability and mechanical robustness are key design goals.

Purpose of the Study:

  • To design and synthesize dynamic polymer networks with a continuous mechanically interlocked catenane framework (CFMIN).
  • To investigate the mechanical properties, thermal stability, and energy dissipation mechanisms of the new material.

Main Methods:

  • Sequential self-assembly strategy involving metal-coordination and host-guest complexation.
  • Synthesis of a supramolecular polyhexagonal network and its complexation with poly(crown ether).
  • Mechanical testing and thermal stability analysis of the resulting catenane framework polymer networks.

Main Results:

  • CFMIN integrates mechanical bonds and a rigid skeleton, enabling dynamic adaptability and structural stability.
  • CFMIN shows significantly improved stiffness, strength, and toughness compared to non-interlocked controls.
  • The material exhibits efficient energy dissipation through hierarchical force-triggered dynamic processes.
  • CFMIN maintains structural integrity up to 180°C due to topological constraints and metal coordination.

Conclusions:

  • Integrating mechanical bonds into ordered skeletal architectures is a promising strategy for advanced polymer design.
  • CFMIN demonstrates a new class of robust, dynamically adaptive, and thermally stable polymeric materials.
  • This work provides insights into designing high-performance materials inspired by biological structures.