Functional surfaces

Development of new surfaces adapted to customer needs


Development of functional surfaces tailored to the customer

Functional surfaces allow us to modify the surface of a material to protect it against external agents, avoid the deposition of substances, improve its properties or achieve new functionalities that the base material does not have.

We transform the surface of materials such as steel, aluminum, plastics, glass, foams …

Our service is flexible and covers from the selection and development of the coating or material, the performing custom tests and its industrial implementation .

With the application of the techniques shown below you can achieve improvements of different properties depending on the technique used.

What we do about functional surfaces

Development of functional surfaces

In case that there is no solution in the market, ATRIA develops its own solutions in its Materials laboratory .

Technology selection

Studying the requirements of our customer, we select the technology that best suits your needs. We work with the main chemical and surface development companies, selecting the most suitable for each project.


In our laboratory of functional surfaces, we can apply through various techniques such as dip-coating, spray, roll-to-roll … the solution selected in your product. It is a critical stage.

Tests and trials

All functional surfaces, whether own developed or existing solutions, must be tested to verify that their functionality is as expected and that it meets all customer requirements. Smart materials need specific tests, in case the test does not exist, we will develop it for you.

Technologies linked with development of functional surfaces


Coatings are a thin layer of material that is applied by technologies such as spraying or dip-coating. Read more


Additives allow modifying and improving the physical, chemical and process properties of the polymer. Read more


Roll-to-roll generates a microstructure in the material that is transfered through its rollers giving it new functionality. Read more


Laser allows decoration of materials, cutting, welding, microstructuring … Read more

In mould microstructuration (IMM)

Modification of the structure of the molds to transfer different patterns and functionalities to the injected parts. Read more

Technology functionalities of functional surfaces

Easy to Clean

Improves surface cleanliness, preventing stains from depositing. The bonds that form between the possible stain and the surface are very weak.


Water produces a drag effect of dirt, keeping the surface clean. It can be useful in both aesthetic and functional applications.


Prevents icing by avoiding contact with water. The ice does not crystallize and improves the efficiency of the devices.


Avoid contact and adhesion of lime with the surface, keeping it clean.


Improve equipment efficiency and achieve different aesthetic effects.


Avoid the imprint of skin oil, sweat or cosmetics when touching surfaces.


Prevent corrosive agents from touching the substrate and the appearance of rust.

What can be achieved with functional surfaces?


Reduction of deposition of substances or stains


Improve abrasion resistance

New properties during the plastic injection process
Improve adhesion of inks or adhesives
Reduction of cleaning of parts subjected to processes that include paints
Increase of equipment efficiency

Decrease of the appearance of biofilm in plastics
Water barrier for electronic systems
High oxidation resistance marking and high aesthetic quality
Color logos using laser marking


Coatings allow you to add extra properties to those of the bulk material. They can be applied through different technologies such as spraying or dip-coating.

These coatings can improve the properties of the final product: surfaces that are better cleaned, materials with anti-condensation properties or others to prevent the formation of ice.


An alternative to coatings, if the material is a polymer, are additives. They allow incorporating additional properties with very low amounts of the additives that we select, develop and optimize.

Additivation consists in adding compounds that improve the basic characteristics of the polymer when injected.

For the selection of the best percentages of additivation of the compound, small-scale prototypes are carried out to which they are subjected to different tests depending on the characteristic to be tested.

Additives can improve from condensation, sliding between parts, static electricity, adhesion …


Laser technology allows to modify the physical and chemical properties of materials, being able to change the color of a polymer, cut, clean or weld metals such as the steel.

When using a beam of light as means to mechanize and modify the materials, there is no direct contact with the pieces, so unlike with the milling cutters, and other traditional mechanization technologies, the laser does not suffer wear and does not require consumables.

Another point to keep in mind is that, by using special optics, a laser beam of very small diameter can be achieved, being able to be smaller than 10 micrometers. This makes it very effective for applications where a unique quality and precision is required, or sizes so low that it is impossible to do it by another method.

The versatility of this technology, together with its processing speed and its unique characteristics of sizes and qualities that it can produce, make laser technology key to many industries.

Roll to roll

Roll-to-roll technology transfers the microstructuring present in its rollers to the polymeric film or metal coil that passes through it. The functionality is applied permanently, without adhesion problems.

It is used in sectors such as packaging and also in applications such as anti-counterfeit bills or items for pharmacy.

IMM - In mould microestructuration

Microstructuring is a technique that allows you to modify the roughness of a surface in a controlled way, creating a pattern of elements such as pillars, channels, holes …
Unlike with coatings, we do not add material, but selectively remove parts of the material to have a microstructure.

This pattern can provide the surface with new properties such as superhydrophobicity, hydrophilicity, condensation, anti-ice or water slipping. The functionality will depend on the geometry and size of the microstructures.
The microstructures have greater durability than the coatings and environmentally it is more efficient since the use of solvents is avoided.

To industrialize this technology in polymers, the mold is textured where the piece is injected with the appropriate microstructure. Thus, during the injection we get a transfer of the structure from the mold to the polymer.

The main advantage of this technology is that it is not necessary to additive the polymer, nor add an additional process in the manufacture of the component to apply a coating. It is a process that is carried out continuously without altering the manufacturing process.

The applications are both aesthetic modifications, such as sliding, self-cleaning or condensation.

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