Self-healing polymers for surface scratch regeneration

Recently, there has been a significant increase in academic and industrial interest in self-healing polymers (SHPs) due to their remarkable ability to regenerate scratched surfaces and materials of astronomical significance. Scientists have been inspired by the magical repairing mechanism of the liv...

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Bibliographic Details
Published in:RSC advances 2023-11, Vol.13 (5), p.355-3564
Main Authors: Ahmed, Sana, Jeong, Ji-Eun, Kim, Jin Chul, Lone, Saifullah, Cheong, In Woo
Format: Article
Language:English
Subjects:
Polymers
Self healing materials
Thermomechanical properties
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Summary:Recently, there has been a significant increase in academic and industrial interest in self-healing polymers (SHPs) due to their remarkable ability to regenerate scratched surfaces and materials of astronomical significance. Scientists have been inspired by the magical repairing mechanism of the living world. They transformed the fiction of self-healing into reality by designing engrossing polymeric materials that could self-repair mechanical abrasions repeatedly. As a result, the durability of the materials is remarkably improved. Thus, the idea of studying SHPs passively upholds economic and environmental sustainability. However, the critical areas of self-healing (including healing efficiency, healing mechanism, and thermo-mechanical property changes during healing) are under continuous scientific improvisation. This review highlights recent notable advances of SHPs for application in regenerating scratched surfaces with various distinctive underlying mechanisms. The primary focus of the work is aimed at discussing the impact of SHPs on scratch-healing technology. Beyond that, insights regarding scratch testing, methods of investigating polymer surfaces, wound depths, the addition of healing fillers, and the environmental conditions maintained during the healing process are reviewed thoroughly. Finally, broader future perspectives on the challenges and prospects of SHPs in healing surface scratches are discussed. Self-healing polymers (SHPs) garner significant interest for their nature-inspired ability to regenerate surfaces, enhancing material durability and sustainability. This review highlights recent advances in SHPs, emphasizing scratch-regenerating technology, testing methods, and prospects.
ISSN:2046-2069
2046-2069
DOI:10.1039/d3ra06676b