2013
DOI: 10.1002/adma.201204768
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Multichannel and Repeatable Self‐Healing of Mechanical Enhanced Graphene‐Thermoplastic Polyurethane Composites

Abstract: A novel self-healing material, which was fabricated using few-layered graphene (FG) and thermoplastic polyurethane (TPU) via a facile method, not only exhibits a mechanical enhanced property, but also can be repeatedly healed by various methods including infrared (IR) light, electricity and electromagnetic wave with healing efficiencies higher than 98%.

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Cited by 294 publications
(185 citation statements)
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“…Qualitative evaluation of self-repairing is usually through observation of structure recovery which is the first step in assessing self-healing performance. Multiple advanced characterization techniques employing optical microscope, laser microscope, scanning electron microscope (SEM), and atomic force microscope (AFM) have been utilized to record the healing process of structure [14,21,37,41,[57][58][59][60]. Disappearance of the damage or coalescence of the cutting surface is frequently used as a general criterion to validate the occurrence of self-recovery.…”
Section: Assessment Of Self-healing Performancementioning
confidence: 99%
“…Qualitative evaluation of self-repairing is usually through observation of structure recovery which is the first step in assessing self-healing performance. Multiple advanced characterization techniques employing optical microscope, laser microscope, scanning electron microscope (SEM), and atomic force microscope (AFM) have been utilized to record the healing process of structure [14,21,37,41,[57][58][59][60]. Disappearance of the damage or coalescence of the cutting surface is frequently used as a general criterion to validate the occurrence of self-recovery.…”
Section: Assessment Of Self-healing Performancementioning
confidence: 99%
“…Moreover, graphene shows outstanding thermal and electrical conductivity with good microwave and infrared (IR) absorbing capacity. This allows to heal FG-TPUR by three different methods: via IR light, electromagnetic wave or electricity 20 . Concurrently, reversible polymers based on Diels-Alder reactions are still examined and provide new self-healing materials like polyether-maleimide-based PUR 21 .…”
Section: Reversible Polymersmentioning
confidence: 99%
“…The results suggest that the self-healing ability and shape memory effect occur due to a "zipper effect" of PAM-PAA that forms or dissociate the hydrogen-bond network, where such effects are limited without the addition of graphene. Huang et al (2013) have demonstrated the use of FLG with thermoplastic polyurethane (TPU) as self-healing material initiated using an electric stimulus. When the FLG loading rate is 5 wt.%, the material can be healed to an efficiency higher than 98% in 3 min.…”
Section: Graphene In Self-healing Materialsmentioning
confidence: 99%