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Definition of paint - What is paint?


Paint is defined as a coating material in liquid or solid which when spread on a surface adheres and hardens forming a film that protect, decorated or add a specific feature to the surface on which it is deposited. Mainly the paint has 2 main functions:

Protection

One major function of the paint is to protect the material or the substrate on which has been applied, due that once dried and cured, the paint forms an insulating layer between the external environmental and the material that wants to protect, preventing the action of external agents such as humidity, salty air, ultraviolet radiation, chemicals agents, etc ... that can induce and cause into the material phenomena such as oxidation, corrosion or degradation.

Depending on the type of protection that we want to get it will use a specific type of paint or other, protective paints are made with the corrosion inhibiting additives, paints that protect against sunlight are made with a few amount of additives that absorb ultraviolet light, etc ...

Decoration

Another major function of paint is to decorate and beautify the material, thanks to the pigments and additives that include paintings; it is now possible to get a wide range of colours and decorative effects (chameleon effect, mercury effect…) which are enhanced and do more beautiful the surfaces.

Besides these two main functions, the paint can be designed to have specific functions, such as non-stick paint to facilitate cleaning of the surfaces, antibacterial paints to prevent the growth of bacteria, antideflagates paints to extinguish and prevent the action of fire, soundproof paint to absorb noise, dirt repellent paints, luminescent paint for night signalling, anti-fouling paints for ships, etc…

Paints, as plastics, are based on chemistry and polymer science, so obtaining all the advantages that can be achieved with this type of materials, all the characteristics of the paint, the curing process, handling, mechanical and chemical properties will be determined largely by the polymer backbone used in its formulation, without underestimating the properties contributed by the fillers and additives introduced during the design and formulation of paints.

The paint is composed of different chemicals substances, natural or artificial, which can be classified into the following basic compounds:

Now that you know what the paint is, did you know that thanks to nanotechnology science "electronic" paints have been developed that change colour when you press a button?

definition of paint


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