A definition of ceramic nano coating protection
- Nanotechnology is the design, production, characterization and application of devices, structures and systems by controlling the shape and size of the building blocks at the nanometer (nm) scale.
- From this, nano-coating in Sri Lanka or ceramic coating is defined as the modification of surfaces within the range of thickness from a fraction of nanometer to sub-micrometers through chemical compounds made up of nanometer-scaled particles and useful agents to improve and enhance functionality and prevent from damaging effects of external factors on end-use products.
Nanoceramic coating in Sri Lanka are normally applied onto vehicle surfaces, thereby making changes to the surface energy of materials to make products capable of desired properties. These properties are:
- UV/IR irradiation or gas penetration blockages
- Air permeability
- Higher endurance for impacts and high temperature or pressure working conditions
- Hydrophobic, hydrophilic, oleophobic qualities that alter the angle of liquid contact on the surface
- Reduction of abrasion and wear and tear
- Elimination of bacterial growth
- Optical adjustments like transmittance, anti-reflection and improved light absorbance
- Resistance to scratches, stains and harmful corrosion and chemicals
How many types of ceramic coatings are there?
Coatings in the nanometer scale can be grouped into two categories, namely functional coating and self-assembled nano-phase coatings.
Functional coatings present different qualities than traditional protective or decorative coatings as they respond in a more proactive way to the environment.
The differences exhibit mainly in the chemical, mechanical, physical and thermal characteristics at a number of territories of coating-substrate assembly:
- In the structure of the coating (e.g: fire-retardant coatings)
- Coating substrate interfaces (e.g: scratch resistant coatings)
- Air-coating interfaces (e.g: self-cleaning coatings)
Self-assembled nanoparticles will intrinsically organize themselves within regular structures or patterns by utilizing local forces to find the lowest energy configuration. This creates a nano-phase manipulation of the matter.
Self-assembly is a useful method in the presence of nanoparticles which are too small to maneuver into an ordered shape with ease. Moreover, self-assembly can also generate nanoparticles that have true 3D order economically through a bottom-up approach when compared to top-down approach strategies with limited amounts of production and extensive costs.