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Light-transmissive with a smaller particle size. This can make plastics dense. When silica is added to polystyrene, it improves the film’s transparency, strength and toughness, as well as its waterproofing and anti-aging capabilities.
Rubber is a rubber elastomer that has excellent stretchability but its overall performance isn’t satisfactory. Carbon black is added to rubber to improve its strength, wear resistance and aging resistance. Carbon black is added to rubber, but this results in a black product. The grade of the rubber is low. The introduction of nano-SiO2 to China has provided a solid material base for the production a brand new generation of rubber goods with unique colors and high performance.
When rubber is treated with nano-SiO2, its abrasion and aging resistance is significantly increased. Its tensile and flexural strength are also improved.
Organic dyes may have vibrant colors and strong tinting powers, but they are not as resistant to light, heat, solvents, or migration than inorganics. Addition of nano-SiO2 to organic dyes improves their anti-aging and brightness properties.
Instead of adding traditional Nano-additives to ceramics, the particles can also be used as second-phase particles. This not only increases the strength and toughness but also the elastic modulus. The performance is better and the effect is more optimal than traditional Nano
By using nano-SiO2 in the composite of ceramic substrates, not only is the substrate more dense, tougher, smoother, but the sintering temp also decreases. The application of nano-SiO2 to ceramic products, such as ceramic filter and corundum ball is also very important.
Sealants, adhesives, and other important products are widely used and have many applications. This requires the right conditions in terms of product viscosity (liquidity), curing speed, and cure time. Nano-materials have been used as modifiers in many foreign products. Nano-SiO2 has become the most popular. It is mostly coated with a thin layer of organic material to make nano-SiO2 more hydrophobic, and then added to the sealant. It is formed quickly, i.e., the Nano-SiOX small particles form a mesh structure that inhibits colloids from flowing, speeds up the curing, and enhances bonding. A small nano-SiO2 size increases both the sealing and the impermeability.
The FRP materials are light, have high strength and corrosion resistance but have low hardness. They also have poor wear resistance. Scientists use ultrasonic dispersion to add nano-SiO2 into the gelcoat resin. They then compare the performance of the gel with and without the nano-SiO2.
Wear resistance has increased 1 to 2 fold. Nanoparticles are grafted and bonded to organic polymers, increasing the material’s toughness. Tensile strength and Impact strength increase by one time. Heat resistance is greatly improved as well, as mentioned above.
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