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Related Experiment Video

Updated: Sep 6, 2025

Synthesis of Programmable Main-chain Liquid-crystalline Elastomers Using a Two-stage Thiol-acrylate Reaction
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Bioinspired Ultra Tear-Resistant Elastomer with a Slidable Double-Network Structure.

Jun-Feng Feng1, Zhi-Hui Chen1, Shu-Ting Fan1

  • 1State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Sichuan University, Chengdu 610041, China.

ACS Applied Materials & Interfaces
|June 27, 2022
PubMed
Summary
This summary is machine-generated.

Researchers developed a superelastic and tear-resistant elastomer using nanosized polycyclodextrin. This breakthrough material exhibits exceptional tear energy and fracture strain, inspired by natural skin structures.

Keywords:
double networkslide-ringsoft materialstear resistancetough elastomer

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Nanotechnology

Background:

  • Tear resistance and elasticity are critical for synthetic soft materials, but conventional methods struggle to enhance both simultaneously.
  • Developing materials with high tear energy and elasticity is a persistent challenge in materials science.

Purpose of the Study:

  • To create an elastomer with superior tear resistance and superelasticity.
  • To investigate a novel approach inspired by biological skin structures for material enhancement.

Main Methods:

  • Incorporation of nanosized polycyclodextrin into an elastomer network.
  • Formation of a slidable interpenetrate double network structure.
  • Characterization of the material's tear resistance and elasticity.

Main Results:

  • The synthesized elastomer achieved a tearing energy of 274 KJ/m², comparable to metals.
  • Exhibited a fracture strain exceeding 3300%, demonstrating remarkable superelasticity.
  • The material's properties were attributed to slide ring effects, network reorientation, and load sharing.

Conclusions:

  • A novel strategy using nanosized polycyclodextrin created an extraordinary tear-resistant, superelastic elastomer.
  • The material's unique properties stem from its slidable interpenetrate double network structure.
  • This advancement offers potential applications in tear-resistant flexible electronics and stretchable devices.