Self-Healing Organic-Inorganic Coatings

Dear Colleagues,

Hybrid coatings provide outstanding metallic protection in extreme environments for combining features of organic and inorganic materials that not only result in a remarkable barrier but also in improved mechanical, thermal, chemical and adhesion properties of coatings. In recent decades, the development of self-healing materials has added the possibility to regenerate hybrid coatings after failure, extending their service life. Self-healing coatings are able to repair or heal themselves by external intervention or autonomously, slowing or even stopping corrosion. When self-healing agents or systems such as corrosion inhibitors, chelation systems, microcapsules, interconnected vascular networks, shape-memory polymers, Diels–Alder or retro-Diels–Alder reactions (just to name a few) are properly integrated, a wide range of applications can be explored. Driven by the current demanding applications of smart materials, the design of self-healing organic–inorganic coatings must maintain the structural integrity of the hybrid matrix without compromising barrier and adhesion properties. In addition, to meet the requirements of a circular economy, eco-friendly materials are particularly sought out to replace the traditional ones. To this end, the unlimited possibilities for the design, synthesis, testing, and applications of high-performance anti-corrosion materials support this Special Issue to host papers in the following scope:

• Efficient methods to synthesize self-healing coatings
• Smart ecofriendly coatings for corrosion protection
• Green materials for effective corrosion inhibition
• New organic–inorganic hybrid systems for protection of metallic alloys
• Nanotechnology applied to organic-inorganic coatings
• Multifunctional polymer coatings
• Fitting and modeling of electrochemical measurements of self-healing coatings
• Water uptake calculations, prediction of performance and durability of hybrid coatings in extreme environments
• Self-healing mechanisms

Prof. Dr. Peter Hammer
Dr. Andressa Trentin
Guest Editors

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