Honeycomb mill-powder coating machine, curved speed mill-dry grinding machine

Release time:

2024-11-07 08:59

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Honeycomb mill and curved speed mill have the following specific applications in improving the performance of coating fillers:

1.Control of filler particle size and particle size distribution:

Increased hiding power: throughcurved speed grindingBy reducing the particle size of the filler and controlling it within a suitable range, the specific surface area of the filler can be increased, and its ability to scatter and absorb light can be improved, thereby enhancing the hiding power of the coating. For example, after grinding calcium carbonate fillers to a finer particle size, they can be used in flat and semi-gloss coatings to improve the hiding effect at a lower cost.

Improve levelingUniform particle size distribution helps the coating to level more evenly during the construction process and avoid surface defects such as flow marks and orange peel.curved speed grindingThe particle size distribution of the filler can be controlled more narrowly, so that the leveling property of the coating material is improved.

2.Improving the dispersibility of fillers:

Reduction of agglomeration: Fillers are prone to agglomeration when they are not fully ground, resulting in uneven dispersion in the coating and affecting the performance of the coating.Honeycomb millThrough the action of mechanical force, the filler particles collide and rub with each other to break the agglomerates and make them better dispersed in the coating system. For example, usingHoneycomb millfor talcum powderCladdingAfter treatment, its dispersion in the coating is improved, and it can better play its role in improving the rheology and mechanical strength of the coating.

Enhanced compatibility with resin: Good dispersibility can increase the contact area between the filler and the resin and improve the compatibility between the two. This helps to improve the overall performance of the coating, such as adhesion, flexibility, etc. AfterHoneycomb grindingWollastonite powder and other fillers, can be better combined with the resin, so that the durability and weather resistance of the coating has been improved.

3.Changing the shape of the filler:

Formation of sheet-like or needle-like structures: For some fillers with flake or needle-like structure, such as mica powder and needle-like wollastonite powder, dry grinding can make the shape more regular, and the flake or needle-like structure is more obvious. This structure can form a good barrier effect in the coating, and improve the water resistance, corrosion resistance and permeability resistance of the coating. At the same time, the needle-like structure can also improve the rheology and thixotropy of the coating.

Increase the specific surface area of the packing: The shape change of the filler particles during the grinding process will increase the specific surface area, thereby improving the interaction between the filler and other components in the coating. For example, after the graphite filler is ground into finer particles, its specific surface area increases, which can better absorb resins and additives, and improve the conductivity and lubricity of the coating.

  1. Improve the hardness and wear resistance of fillers:

Enhancing the mechanical strength of coatings: For some coatings that require high hardness and wear resistance, such as metal primers, floor paints, etc., usecurved speed grindingThe treatment of the filler can improve its hardness and wear resistance. The ground quartz powder, alumina and other fillers can form a hard skeleton structure in the coating, improve the mechanical strength and wear resistance of the coating, and extend the service life of the coating.

Reduce the abrasion of coating filmDuring the use of the coating, the coating film will be affected by external forces such as friction and scratches, and it is prone to wear. Add throughGrindingThe high hardness filler can enhance the wear resistance of the coating film and maintain the integrity and aesthetics of the coating film.

  1. Optimizing the chemical properties of fillers:

Increasing the activity of fillers:coating modificationThe mechanical force and thermal energy generated in the process can increase the surface activity of the filler, making it easier to chemically react with other components in the coating. For example, in some functional coatings, the filler can cross-link with the resin to improve the chemical and heat resistance of the coating.

Remove impurities and moisture:Honeycomb millImpurities and moisture in the filler can be removed, and the purity and dryness of the filler can be improved. This helps to reduce defects and bubbles in the paint and improve the quality and stability of the paint.

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