Introduction
Coatings are used in various industries to protect surfaces from wear and tear, corrosion, and other damages. There are two types of coatings available today: traditional coatings and nanocoatings. Traditional coatings consist of large molecules that are applied to the surface in layers, while nanocoatings are made up of tiny particles that bond to the surface at an atomic level.
In this blog post, we will compare nanocoating versus traditional coating to see which one is better.
Durability
One of the most important factors to consider when choosing a coating is durability. Nanocoatings are known to be more durable than traditional coatings due to their small size and strong bonding to the surface. Traditional coatings, on the other hand, tend to wear off over time, and they require frequent re-coating.
Corrosion resistance
Nanocoatings have been found to be more effective at preventing corrosion than traditional coatings. This is because nanocoatings bond closely to the surface, preventing water and other corrosive agents from reaching it. Traditional coatings, however, may not be as effective, as they do not have the same level of bonding with the surface.
Flexibility
Traditional coatings are known for their flexibility, but this can also be a drawback. The flexibility allows the coating to expand and contract with the surface, reducing the likelihood of cracks and breaks. However, flexibility also means that the coating can wear off more quickly. Nanocoatings, on the other hand, are less flexible, but this means they are less likely to wear off.
Application
The application of traditional coatings is generally easier and less expensive than the application of nanocoatings. Traditional coatings can be applied with a sprayer, brush, or roller, whereas nanocoatings require specialized equipment and expertise.
Cost
Nanocoatings are generally more expensive than traditional coatings due to their specialized manufacturing process and application requirements. Traditional coatings are much cheaper in comparison and are widely available.
Environmental impact
Both nanocoatings and traditional coatings have an environmental impact, particularly with regards to their disposal. Some traditional coatings contain harmful chemicals that can leach into the soil and water supply over time. Nanocoatings, while typically less harmful, are not completely harmless either, and may still have an impact on the environment.
Conclusion
Both nanocoating and traditional coating have their pros and cons, and the choice ultimately depends on the intended use and individual preference. While nanocoatings are more durable and effective at preventing corrosion, they are also more expensive and require specialized equipment. Traditional coatings, on the other hand, are less expensive and easier to apply, but they may not be as durable, effective, or environmentally friendly as nanocoatings.
References
- Zou, J., Hartwig, T., Madden, S., and Dai, Q. (2015) "A comparative study on lab-based accelerated testing methods for protective coatings." Corrosion Science, 93, 46-54.
- Petrarca, R.W., & Harihar, S. (2016). "Nanocoatings: Advancements and key applications." Journal of Coatings Technology and Research, 13(10), 791-806.