The influence of processing method on the quality of aluminum hydroxide powder

The influence of processing method on the quality of aluminum hydroxide powder

There are many ways to process aluminum hydroxide micropowder. Different product standards have different processing methods and processing equipment, and different processing methods will also affect its quality.

1. The processing method has a great influence on the internal structure of aluminum hydroxide. As the temperature increases during continuous processing, the crystal surface tension of aluminum hydroxide powder becomes smaller and smaller, and the surface energy between the interfaces is gradually eliminated. , The agglomeration phenomenon between particles has been improved, and the dispersion is better. Therefore, the important point to control its dispersion is to control the temperature of the processing process. Excessive temperature changes and too fast will have a great impact on the dispersion.

2. Secondly, as the temperature increases, the regularity of the particles gets better and better, and the octagonal plate-like crystal structure becomes more regular.

3. Again, with the increase of temperature, the particle size of aluminum hydroxide powder becomes larger and larger, which is in line with the growth science of crystals. In addition, it was also found in the experiment that the viscosity of the slurry before hydrothermal is relatively large, and filtration is difficult. After hydrothermal, as the hydrothermal temperature increases, the viscosity of the material decreases, and the filtration time will be greatly shortened.

Therefore, when processing aluminum hydroxide powder, attention must be paid to the selection of processing methods to effectively improve its quality requirements.

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