After reading these 14 applications of silica, do you find that it is everywhere around you? (TWO)
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04 Application in electronic packaging
By fully dispersing the surface-active treated fumed silica in the silicone modified epoxy resin encapsulant matrix, the curing time of the encapsulation material can be greatly shortened (2.0-2.5h), and the curing temperature can be reduced to room temperature , so that the sealing performance of the OLED device is significantly improved, and the service life of the OLED device is increased.
The addition and application of fumed silica has reduced the process of electronic device encapsulation that used to require special environments to be reduced to room temperature conditions, greatly reducing production costs, and shortening the curing time of packaging materials, greatly improving production efficiency and reducing production costs. It will promote the popularization and application of a new generation of OLED display technology.
05 Application in plastics
Silica is also often used in new plastics. Adding a small amount of silica during plastic mixing will have a significant reinforcing effect and improve the hardness and mechanical properties of the material, thereby improving the processing technology and product performance. In addition, silica has the characteristics of small particle size and high light transmittance, which can make plastics denser and increase the transparency of plastics.
06 Application in ceramics
Using fumed silica instead of nano-Al2O3 to add to 95 porcelain can not only play the role of nanoparticles, but also the second phase particles, which not only improves the strength and toughness of ceramic materials, but also improves the hardness and elasticity of materials. Modulus and other properties, its effect is more ideal than adding Al2O3. Using fumed silica to composite ceramic substrates not only improves the compactness, toughness and smoothness of the substrates, but also greatly reduces the sintering temperature. In addition, the application effect of fumed silica in ceramic filters, corundum balls and other ceramic products is also very significant.
07 Application in paper industry
In the paper industry, fumed silica products can be used as paper sizing agents, which can improve the whiteness and opacity of paper, and can improve oil resistance, abrasion resistance, hand feel, printability, and gloss. And it can also be used for printing drawings, which can make the surface of the paper good quality, the ink is stable, and the back is free of cracks, and can be used in azide paper to produce excellent blueprints, which can be used in coated paper instead of titanium dioxide. Adding 1-2% fumed silica product can reduce the weight of the paper, and the paper is thin, which can improve the strength, prevent the penetration of ink, and can also make the printed text clear and increase the opacity.