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First, capsule modification Capsule modification is a surface modification method in which a film of a uniform thickness and a film having a certain thickness is coated on the surface of the powder particles. Rong et al. encapsulated TiO2 composite particles coated with Al2O3 and SiO2 with polystyrene, which effectively improved the absorbance and stability of the material. Zhu Liqun and other met...
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Nano alumina water dispersion is our company adopts international advanced dispersion technology to disperse nano-alumina powder (20-30nm) in water phase medium to form highly dispersed, homogenized and stabilized nano-alumina water dispersion. liquid. In addition to the characteristics of aluminum oxide water dispersion, nano alumina water dispersion has the characteristics of higher activity and...
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What is a thermally conductive gel? Thermally conductive gel: It has some advantages of thermally conductive silicone sheet and thermally conductive silicone grease, while making up for some of the weaknesses of the two; strong plasticity, can fill uneven interfaces. What are the advantages of thermal gel? 1. Efficient thermal conductivity; 2. Low compressive force application and low stress; 3. H...
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Alumina powder can be used in abrasives, ceramics, medicine, cosmetics, aerospace, thermal media, etc. Today the editor will talk about a very small class of alumina applications: thermally conductive alumina powder for electronic potting adhesives in thermally conductive media. First of all, electronic encapsulants are mainly divided into three categories: silicone encapsulants, epoxy encapsulant...
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As a product with a wide range of performance, high temperature alumina can be used in many different industries, including the application in catalysts. However, in order to achieve the specified use standard, it can be carried out according to the operations specified below. 1. Adsorbents: This type of carrier is a porous substance with a large specific surface area. High temperatur...
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Objective: To prepare a polishing slurry of α-Al2O3 nanoparticles with good dispersion stability; to improve the chemical mechanical polishing performance of sapphire; Disperse α-Al2O3 in different dispersing media such as silica sol, cerium oxide sol, water, etc.; prepare a polishing slurry of α-Al2O3 nanoparticles under conditions of different pH, different silica sol concentration and silica so...
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Alumina ceramics is a structural ceramic material with a-Al2O3 as the main crystal phase. Because of its high melting point, high hardness, heat resistance, corrosion resistance, and electrical insulation characteristics, it can be used under harsher conditions . The price of alumina ceramics is low, and the production process is mature. It is currently one of the ceramic materials with the larges...
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Refractory materials refer to inorganic non-metallic materials with a refractoriness exceeding 1580°C. Refractoriness refers to the Celsius temperature at which the refractory cone sample resists the action of high temperature without softening and melting under no load. There are many types of refractory materials. According to the chemical characteristics, it can be divided into acidic refractor...
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Nano alumina has been widely used in the field of coatings due to its high hardness, high strength, good thermal stability, wear resistance, thermal conductivity, insulation and other excellent properties. Adding nano-alumina powder and nano-alumina dispersion to the coating improves the wear resistance of the coating and has a certain self-repairing ability, and at the same time increases the har...
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In recent years, with the development of science and technology, nanotechnology has begun to be applied to all aspects of our lives, and the fields involved are also increasing. Especially when this emerging technology meets our traditional industry ceramics, the combination of the two improves the product added value of the ceramic industry. Alumina ceramics have a series of excellent characteris...
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Nano alumina powder is widely used in chemical industry, medicine, catalyst and its carrier, ceramics and other fields because of its special properties. 1. In the application of ceramics, precision ceramics made of nano-alumina powder have the plasticity and toughness similar to metal, light weight, and greatly improved strength. Adding a small amount of micron or nano-alumina into the convention...
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1.Mechanism of nano-alumina in Refractory The application of nanotechnology in Refractory is mainly the application of nano-alumina. Because of its small size and large proportion of surface atoms, nano-alumina has high surface energy, high activity, instability and easy to combine with other atoms. Nano-alumina is mainly used in amorphous Refractory and some special Refractory. Adding nano-alumin...
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