Ceramic filler coating equipment Drying equipment Dispersing equipment

Release time:

2025-05-30 08:54

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The working principle of the coating modification machine is based on advanced surface modification technology. Its core lies in uniformly introducing a layer of modifier on the surface of ceramic fillers through specific processes and equipment, thereby optimizing the performance of ceramic fillers.

When ceramic fillers enter the coating modification machine, they are first transported to the modification chamber . During the conveying process, the special heating device of the feeding conveyor heats and dries the powder to ensure the smooth progress of the subsequent modification process. At the same time, the solid modifier is heated and melted into a liquid state, and then sent through a conveying pipeline to the modification chamber 。 the modification chamber is equipped with nozzles, which serve to disperse the powdered material delivered by the conveying system into a mist. ， atomizing the liquid modifier into tiny droplets, then sprayed into the modification chamber and mixed with the ceramic fillers are fully mixed ， thereby completing the entire modification process. This unique working principle enables the coating modification machine to achieve precise modification of the ceramic filler surface, laying a solid foundation for enhancing the performance of ceramic fillers.

Improve thermal conductivity : In the field of electronic device heat dissipation, thermal conductivity is crucial. Through surface modification, the interaction between fillers and the polymer matrix is enhanced, and phonon scattering at the interface is significantly reduced, thereby effectively improving the thermal conductivity of the material.

Solve aggregation problems : Aggregation has always been an important factor affecting the performance of ceramic fillers. After coating modification treatment, the coating layer formed by the modifier on the surface of the ceramic filler effectively improves the dispersibility of particles and their compatibility with other substances. From a microscopic perspective, the coating layer increases the steric hindrance between particles, preventing them from coming closer to each other, thereby solving the aggregation problem. In practical applications, nano-ceramic fillers, after coating modification, can be uniformly dispersed in the polymer matrix, significantly improving the mechanical and electrical properties of composite materials.

Enhance interfacial bonding strength : Interfacial bonding strength plays a crucial role in the overall performance of composite materials. When ceramic fillers are compounded with a polymer matrix, good interfacial bonding ensures effective stress transfer between them, thereby effectively improving product quality and service life.

Improve hydrolysis resistance : For some ceramic filler-based composite materials used in humid environments, hydrolysis resistance is an important indicator. Taking spherical aluminum nitride ceramic filler as an example, it easily reacts with water in the air, leading to performance degradation. By surface coating spherical aluminum nitride with a coating modification machine, a dense waterproof layer is formed, which can effectively prevent aluminum nitride from reacting with water in the air, thereby improving its hydrolysis resistance.

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