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Pyrogenic Silica Applications Properties Production
On pyrogenic silica
Pyrogenic silica is unique among all materials and has a wide range of uses. Its application, properties and production can be investigated.
Application
The application field of pyrogenic silica is quite broad. In the rubber industry, it can add reinforcement to rubber and greatly improve the mechanical properties of rubber products. Make tires more wear-resistant, prolong service life, and add safety when driving; make rubber seals have better sealing performance, which can be used in many precision instruments. In the field of coatings, pyrogenic silica can optimize the rheological properties of coatings, prevent pigment sedimentation, make the coating more uniform, better gloss after film formation, and enhance the wear resistance and corrosion resistance of coatings. It is widely used in construction, automotive and other paint scenes. In the plastics industry, it can act as a filler to improve the hardness, rigidity and thermal stability of plastic products, such as electronic equipment shells. After being filled, it is not only durable, but also resistant to high temperatures to a certain extent, ensuring the stable operation of internal components.
Differences in Properties
In terms of properties, pyrogenic silica has a high specific surface area, which makes it have a strong adsorption capacity and can absorb impurities and odors in the surrounding environment. Its chemical properties are stable, under normal conditions, it is not easy to react with acid and alkali and other chemical substances, and can withstand the erosion of a variety of chemical media, laying the foundation for its application in complex chemical environments. Furthermore, pyrogenic silica has good electrical insulation, which can effectively prevent current leakage and ensure the normal operation of electronic equipment when applied in the field of electronics.
Production method
When it comes to production, pyrogenic silica is mostly prepared by gas phase method. Halosilane is used as raw material, and hydrolysis and polycondensation are carried out in the high temperature environment of hydroxide flame. In this process, the halosilane rapidly decomposes, and the silicon atoms combine with the oxygen atoms to form primary silica particles. These particles collide and agglomerate with each other in a high-temperature gas phase environment, gradually forming a uniform particle size and good dispersion of fire-formed silica products. This production method requires strict reaction conditions, and parameters such as temperature and gas flow rate need to be precisely controlled in order to produce high-quality fire-formed silica to meet the diverse needs of different industries.
Pyrogenic silica is unique among all materials and has a wide range of uses. Its application, properties and production can be investigated.
Application
The application field of pyrogenic silica is quite broad. In the rubber industry, it can add reinforcement to rubber and greatly improve the mechanical properties of rubber products. Make tires more wear-resistant, prolong service life, and add safety when driving; make rubber seals have better sealing performance, which can be used in many precision instruments. In the field of coatings, pyrogenic silica can optimize the rheological properties of coatings, prevent pigment sedimentation, make the coating more uniform, better gloss after film formation, and enhance the wear resistance and corrosion resistance of coatings. It is widely used in construction, automotive and other paint scenes. In the plastics industry, it can act as a filler to improve the hardness, rigidity and thermal stability of plastic products, such as electronic equipment shells. After being filled, it is not only durable, but also resistant to high temperatures to a certain extent, ensuring the stable operation of internal components.
Differences in Properties
In terms of properties, pyrogenic silica has a high specific surface area, which makes it have a strong adsorption capacity and can absorb impurities and odors in the surrounding environment. Its chemical properties are stable, under normal conditions, it is not easy to react with acid and alkali and other chemical substances, and can withstand the erosion of a variety of chemical media, laying the foundation for its application in complex chemical environments. Furthermore, pyrogenic silica has good electrical insulation, which can effectively prevent current leakage and ensure the normal operation of electronic equipment when applied in the field of electronics.
Production method
When it comes to production, pyrogenic silica is mostly prepared by gas phase method. Halosilane is used as raw material, and hydrolysis and polycondensation are carried out in the high temperature environment of hydroxide flame. In this process, the halosilane rapidly decomposes, and the silicon atoms combine with the oxygen atoms to form primary silica particles. These particles collide and agglomerate with each other in a high-temperature gas phase environment, gradually forming a uniform particle size and good dispersion of fire-formed silica products. This production method requires strict reaction conditions, and parameters such as temperature and gas flow rate need to be precisely controlled in order to produce high-quality fire-formed silica to meet the diverse needs of different industries.
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