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Related Experiment Video

Updated: Feb 28, 2026

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Highly Stretchable, Shape Memory Organohydrogels Using Phase-Transition Microinclusions.

Ziguang Zhao1, Kangjun Zhang1, Yuxia Liu1

  • 1Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)
|June 22, 2017
PubMed
Summary
This summary is machine-generated.

Researchers developed novel shape memory organohydrogels with a binary cooperative phase, achieving high strain capacity and toughness. These materials offer excellent shape recovery for advanced applications.

Keywords:
highly stretchablehydrogelsinterfacial tensionphase-transitionshape memory

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Soft Matter Physics

Background:

  • Shape memory polymers are crucial for various applications but often struggle to balance high strain capacity with excellent shape memory behavior.
  • Conventional methods face limitations in achieving simultaneous high strain and robust shape recovery.

Purpose of the Study:

  • To develop a general and synergistic strategy for fabricating high-strain and tough shape memory organohydrogels.
  • To investigate the cooperative effect of binary phases for enhanced thermomechanical performance and shape memory properties.

Main Methods:

  • Fabrication of organohydrogels with a binary cooperative phase (phase-transition micro-organogels and elastic hydrogel framework).
  • Characterization of thermomechanical performance and shape memory effect under stretching and compression.
  • Analysis of the role of micro-organogel and hydrogel heterostructures in shape recovery.

Main Results:

  • The developed organohydrogels exhibit high strain capacity, with up to 2600% recoverable stretching and 85% recoverable compression under significant load.
  • The binary cooperative phase provides excellent thermomechanical performance and a robust shape memory effect.
  • Interfacial tension between heterophases drives shape recovery, enabling simple processing and smart surface patterning for multiple shape memory effects.

Conclusions:

  • A novel synergistic strategy successfully created high-strain, tough shape memory organohydrogels with binary cooperative phases.
  • These materials demonstrate superior shape memory performance, including high recoverable strain and load-bearing capacity.
  • The nonswellable nature in water and oil makes them suitable for diverse multimedia applications.