Nano Aluminum Composite Panel

Nano aluminum composite panel is a new high-end functional product springing up in the recent years. A semiconductor oxide nanometer coating (current mainly TiO2) is added on the surface of curtain wall plate. The coating is composed of nanoscale particles and nanoscale pore in structure. Under the action of sunlight, photocatalyst produced a hole for electronic, oxidizing and degrading all the organic pollutant on the surface of the aluminum composite panel into corresponding harmless inorganic substance, so as to not cause secondary pollution to the environment. The aluminum composite panel is closely integrated with the coating and features super hydrophobicity under the action of the photocatalyst. Therefore, the surface of the aluminum composite panel has a better self-cleaning ability, weather resistance, stain resistance, mildew resistance and algae resistance.

When the panel surface which is coated nanometer material is in contact with the oil, the dirt is not easy to attach on the surface because of its super hydrophilicity. Even if the dirt attaches to the surface, it will be combined with the outer membrane on the surface and automatically falls off under the impact of rain. The ultraviolet ray in the sunshine is enough to maintain super hydrophilic properties of the surface of the nanometer materials, so as to ensure the surface has the advantages of anti-fouling, self-cleaning for a long time. At the same time, the photocatalytic oxidation of nanomaterials will lead to the degradation of organic matter. The self-clean aluminum composite panel uses these two properties of nanomaterials to avoid the oil and dust from gathering on the surface or firmly attaching to the surface of the panel, making the panel easy to clean.

Because of the super-hydrophilic property, even if the water molecules or water vapor in the air is condensed on the surface of the panel, the condensation water won't form a single water droplet but a water film evenly spreading on the surface. So the surface will not form the mist of light scattering. Even if the surface is soaked in the rain, the rain will quickly spread on the surface into uniform water film, so as not to form water drops to distract sight, maintaining a high degree of transparency of the film surface (i.e., anti-fog function).

The hardness and wear resistance of the coating can be further improved by adding nanophase to the high hardness and wear-resisting coating. Adding nanoparticles to the surface coating can reduce the friction coefficient, form self-lubricating material, and even obtain the super lubricating function. The Nanomaterials that are introduced into the coating can significantly improve the temperature resistance and oxidation resistance of the materials. For example, if nano-nickel-oxide coating deposits on the nickel surface, due to the effect of nanoparticles, the short circuit diffusion of nickel ions can be prevented, and the growth mechanism and mechanical properties of the oxide layer can be improved.

The coating of nanomaterials can improve the corrosion protection ability of the matrix and achieve surface modification and decorative purpose. Adding nanoparticles to paint or coating can further improve its protective ability and can help aluminum composite panel to withstand atmospheric and ultraviolet radiation, thus achieving the functions of anti-degradation and anti-discoloration. In addition, the nanometer material coating can also be used in building material product, such as sanitary ware, indoor space, appliance and so on, playing a sterilization and cleaning effect.

Nanocoatings are featured with widely varying optical properties. Its optical transmission spectrum extends from ultraviolet to far infrared. Coated with nanomaterials on the surface, the product can reduce the transmission and heat transfer effect of the light and produce thermal insulation. Adding nanomaterials to the coating and the coating can be used as flame retardant, heat insulation, and fire protection material.

Nano aluminum composite panels are widely used in high-rise building curtain wall or inside wall adornment. This kind of nanostructured surface layer can effectively decompose harmful gases and purify the air while maintaining the self-cleaning function, which reduces the frequency of cleaning and the maintenance costs. Nanometer material coating and its technology development with the development of nanomaterials. Given the possessed nature of the surface coating and its potential function, nano functional coatings will have faster development if we explore further on the basis of improving basic theories and nanomaterials preparation and synthetic technology. Plus, its application will across multiple areas.

Features of Nano aluminum composite panels:

1. Self-cleaning. When the rain reaches the surface of the aluminum composite panel, the dirt will slide off the wall.
2. Anti-mildew. It can prevent the growth of mold on the surface of the external wall and decompose mold.
3. The decomposition of organic matter. The dust in the air usually mixes with oil and other organic material. As the dust scatters to the aluminum composite panel surface, grease and other organic matter are also attached to the surface. The photocatalysis of TiO2 nanocoatings is able to degrade the oil and other organic matter. This greatly protects the aluminum plastic plate, preventing the aging of the aluminum.

Simple test: use the oil pen to paint on the anti-pollution aluminum composite panel. After a while, wipe it with soft cloth or paper towel gently. You will find that it can be easily wiped off without leaving the stain. While the general ordinary aluminum plastic plate does not have this kind of function.

Tips
The discoloration of aluminum composite panel
The discoloration of plastic plates is mainly caused by the improper selection of board materials. The aluminum composite panel is divided into interior panel and outdoor panel. The different surface coating of the two kinds of panels determines the application of different occasions. The surface of acp used indoor is generally coating resin coating, the coating can't adjust to the rugged environment. If used in the outdoors, the rugged weather will accelerate the aging of the aluminum composite panel, causing the decoloring phenomenon of the panel. The surface coating of outdoor aluminum plastic board is generally polyfluorocarbon coating which is able to resist aging and UV. The outdoor acp is relatively expensive. if the indoor composite panel is mistakenly used in the outdoor environment, the discoloration phenomenon of aluminum composite panel will naturally arise.

ZHEJIANG JINXIANG PANEL INDUSTRY CO.,LTD. is one of the leading aluminum composite panel manufacturers china



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