Abstract
This paper provides a synthetic and comprehensive overview on environmentally friendly anticorrosive polymeric coatings. Firstly, the economic and environmental impact of corrosion is presented to highlight the need of anticorrosive polymeric coatings as a flexible and effective solution to protect a metal. Secondly, the implementation of regulations together with the consumer awareness for environmental considerations and protection of health are the driving force for a progressive but significant change in the sector. Therefore, within the protective organic coatings market, this article provides a review of the most recent developments in environmentally friendly solutions, including bio-based and water-borne epoxy, hyperbranched polyester for low- volatile organic compounds (VOC) coatings, waterborne polyurethane and non-isocyanate polyurethanes (NIPUs), and graphene or bio-based fillers for acrylics. Moreover, this paper outlines new trends such as smart additives, bio-based corrosion inhibitors, and functional antibiocorrosive coatings as superhydrophobics. Finally, industrially relevant applications of environmentally friendly anticorrosive polymeric coatings including solutions for marine and off-shore industries are summarized.
Highlights
Corrosion Cost and Environmental ImpactCorrosion is a universal topic, for many accepted as an inevitable process
Organic coatings are on thehigh-performance most widely used coatings for corrosion protection of meepoxy polyamide, urethane or zinc-rich systems, may look expensive, it may make savings tallic materials especially in transport and infraof nearly 40% when service life is greater than 10 years [2]
Anticorrosive coatings are generally classified in accordance with the mechanisms by which they protect a metal against corrosion
Summary
Corrosion is a universal topic, for many accepted as an inevitable process. The penalties of failures from corrosion are highly impactful from a human safety perspective and an economic point of view, including safety hazards or plant interruptions. Organic coatings are on thehigh-performance most widely used coatings for corrosion protection of meepoxy polyamide, urethane or zinc-rich systems, may look expensive, it may make savings tallic materials especially in transport (e.g., automobiles, aircraft, ships, etc.) and infraof nearly 40% when service life is greater than 10 years [2]. Structure sector (e.g., pipelines, bridges, buildings, etc.) [17] It is worth menOrganic coatings are the most widely used coatings for corrosion protection of metallic tioning non-polymeric anticorrosive solutions that have a major industrial role like: phosmaterials especially in transport (e.g., automobiles, aircraft, ships, etc.) and infrastructure phates [18], chromates [19],pipelines, silicates bridges,. The availability of raw materials and the cost of environmentally friendly coating are still two major constrains for the growth of this market
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