Since the past few decades, the trend of researching self-healing materials such as ceramic, concrete, and self-healing polymer has always been a very hot topic in materials science. Considering polymer self-healing materials (and their composites), several hundred new articles are published yearly. What is the self-healing feature? This is the ability of materials, thanks to some special mechanisms, to self-recover from damage (scratches, cuts...) returning to an almost intact state. This ability is achieved by adding external healing agents (the specialized term is "healing agent"), or based on dynamic interactions between internal components in the material. If in the past, self-healing polymer materials thanks to the addition of foreign materials (extrinsic self-healing) were of interest in development, in recent times, intrinsic self-healing polymer materials (intrinsic self-healing) have been developed and received more attention. Whether self-healing internally or externally, self-healing polymer materials have many applications such as raw materials for manufacturing sensors, electronic components, surface protection layers, and medical implants... With the ability of application, self-healing polymer materials are an area that attracts a large number of research facilities and technology companies around the world.
Keywords: Polymer, Self-healing material, Medical application, Composite, Mechanism, Sensor, Surface protection, Biomaterial, Implant.
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Source of Funding:
This study did not receive any grant from funding agencies in the public, commercial, or not-for-profit sectors.
Competing Interests Statement:
The author declares having no competing interest with any party concerned during this publication.
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The author declares that he consented to the publication of this study.
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