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Basic principle

Wetting agent is a substance that can make solid materials more easily wetted by water. Its wetting principle is mainly to reduce the solid-liquid interfacial tension, so that water can spread on the surface of solid materials or penetrate into their surface, thereby wetting the solid materials. Wetting agent belongs to surfactant, which is composed of two groups: hydrophilic group and lipophilic group. When in contact with the solid surface, the lipophilic group adheres to the solid surface, and the hydrophilic group extends outward into the liquid, so that the liquid forms a continuous phase on the solid surface. This is the basic principle of wetting.

Working principle

The working principle of wetting agent is to increase the viscosity and wettability of the surface of the material, thereby playing a protective role. First, the wetting agent can reduce the air gap on the surface of the object, make the surface smoother, and increase the wettability of the surface of the material. It can reduce the friction coefficient of the surface of the object, so that the object is easier to slide. Secondly, the wetting agent can prevent damage to the surface of the material, protect the surface of the object from damage, reduce the pollution and wear of the material, and thus extend the service life of the object. In addition, wetting agents can also prevent the evaporation of water on the surface of materials and reduce the water droplets on the surface of objects, thereby keeping the objects dry and avoiding moisture. Finally, wetting agents can also improve the anti-fouling properties of the surface of objects, making objects easier to clean, reducing cleaning time and saving energy.

Conclusion

In short, the main function of wetting agents is to increase the wettability of the surface of materials, reduce the friction coefficient of the surface of objects, prevent damage to the surface of materials, prevent the evaporation of water on the surface of materials, and improve the anti-fouling properties of the surface of objects, thereby playing a role in protecting materials. Therefore, wetting agents are important substances that are indispensable in daily life.