What question did this study set out to answer?

To develop a soft, room-temperature self-healing composite material that overcomes traditional vulnerability to crack propagation and fatigue failure.

March 25, 2023Advanced Materials

Room‐Temperature Self‐Healing Soft Composite Network with Unprecedented Crack Propagation Resistance Enabled by a Supramolecular Assembled Lamellar Structure

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Authors

JXJian‐Hua XuFujian Normal University YLYukun LiJinan University TLTong LiuNanjing University of Science and Technology

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Implication

Experimental study demonstrates record fracture energy and self-healing in supramolecular lamellar composites, highlighting potential for crack-tolerant stretchable electronics and robotics.

Key Points

To develop a soft, room-temperature self-healing composite material that overcomes traditional vulnerability to crack propagation and fatigue failure.
Engineered preferentially aligned 2D transition-metal carbide/carbonitride (MXene) lamellar structures using a supramolecular interfacial assembly strategy.
Integrated the assembled lamellar architecture into a dynamic, superstretchable poly(urea-urethane) matrix capable of extreme elongation.
Achieved a record fracture energy of 501.6 kJ m⁻² and a fatigue threshold of 4064.1 J m⁻².
Retained a low modulus of 1.2 MPa, 3200% stretchability, 97% room-temperature self-healing efficiency, and dimensional recovery from 13-fold elongation.
Enhanced in-plane thermal conductivity via MXene alignment, enabling functional application as heat-dissipating stretchable skins for robotic joints.

Cite This Study

Xu et al. (2023) studied this question.

synapsesocial.com/papers/69d8c211b0225cae72bed848 https://doi.org/10.1002/adma.202300937

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March 25, 2023Advanced Materials

Room‐Temperature Self‐Healing Soft Composite Network with Unprecedented Crack Propagation Resistance Enabled by a Supramolecular Assembled Lamellar Structure

View Full Paper

Ask AI

Bookmark

Authors

JXJian‐Hua XuFujian Normal University YLYukun LiJinan University TLTong LiuNanjing University of Science and Technology

Discussion

Member takes

Implication

Experimental study demonstrates record fracture energy and self-healing in supramolecular lamellar composites, highlighting potential for crack-tolerant stretchable electronics and robotics.

Key Points

To develop a soft, room-temperature self-healing composite material that overcomes traditional vulnerability to crack propagation and fatigue failure.
Engineered preferentially aligned 2D transition-metal carbide/carbonitride (MXene) lamellar structures using a supramolecular interfacial assembly strategy.
Integrated the assembled lamellar architecture into a dynamic, superstretchable poly(urea-urethane) matrix capable of extreme elongation.
Achieved a record fracture energy of 501.6 kJ m⁻² and a fatigue threshold of 4064.1 J m⁻².
Retained a low modulus of 1.2 MPa, 3200% stretchability, 97% room-temperature self-healing efficiency, and dimensional recovery from 13-fold elongation.
Enhanced in-plane thermal conductivity via MXene alignment, enabling functional application as heat-dissipating stretchable skins for robotic joints.

Cite This Study

Xu et al. (2023) studied this question.

synapsesocial.com/papers/69d8c211b0225cae72bed848 https://doi.org/10.1002/adma.202300937

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