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Nano bismuth trioxide Bi2O3 is an important functional material, which mainly exists in four crystal forms: α, β, γ and δ. Different crystal forms have different applications. The application of bismuth oxide is very wide. It is not only a good organic synthesis catalyst, ceramic coloring agent, plastic flame retardant, medicinal astringent, glass additives, high refractive glass and nuclear engin...
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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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As one of the important parts of lithium ion batteries, the diaphragm can avoid the positive and negative electrode contact and promote the shuttle of lithium ions between the two electrodes. It does not participate in the electrochemical reaction, but determines the performance and safety of the battery. Inorganic ultrafine powder coating or composite modified polymer is one of the effective meth...
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Copper oxide powder is a brown-black metal oxide powder with a wide range of uses. Copper oxide is a multifunctional fine inorganic material with a wide range of uses, mainly used in the fields of printing and dyeing, glass, ceramics, medicine and catalysis. It can be used as a catalyst and catalyst carrier and electrode activation material, and also as a rocket propellant. As the main component o...
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Nano zinc oxide is a new type of multifunctional fine inorganic material. Due to the small particle size, the nano-zinc oxide powder produces surface effects, small size effects, quantum effects and macro-quantum tunneling effects that the bulk material does not have, and exhibits many special properties. Such as non-toxic, non-migration, Fluorescence, piezoelectricity, antibacterial deodorization...
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Lanthanum belongs to rare earth oxides and is one of the important products of light rare earths. Because of its good physical and chemical properties, it has been widely used in civilian, military and high-tech fields. For example, La2O has been continuously developed in the application of rare glass, ceramics, catalysts, phosphors, lasers, heating elements, cathode materials and electrical conta...
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Nano sized hydroxyapatite has stable performance under physiological environment, and its ability to induce new bone formation is unmatched by other materials. It is widely used in human bone bionic regeneration materials and hydroxyapatite coatings. Bone is the stent of the human body, participates in the metabolism of the whole body, and is an important part of the human movement system. However...
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1. The history of nano gold powder development In 1885, nano gold solution was often used as the main ingredient in the treatment of alcoholism in the United States; In 1890, Dr. Koch discovered that Mycobacterium tuberculosis could not survive on the surface of gold; Nano gold was used to treat arthritis in 1890; In 1935, Chicago surgical expert Edward et al. discovered that nano-gold solution ca...
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The singular properties of nanomaterials include: ①Surface effect The surface area of a spherical particle is proportional to the square of the diameter, and its volume is proportional to the cube of the diameter, so its specific surface area (surface area/volume) is inversely proportional to the diameter. As the particle diameter becomes smaller, the specific surface area will increas...
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Conductive silver paste is a low-temperature baking conductive silver paste specially designed for resistive and capacitive touch screen circuits. It is made of high-performance resin and silver powder, with good conductivity, and the content of silver particles in the conductive silver paste. Metal silver particles are the main component of conductive silver paste, and the conductive properties o...
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In recent years, silver coated copper powder has been widely used, not only as the electrode of chip electronic components, but also in the fields of catalyst and electronic paste. At present, the electronic paste used in my country is basically micron-level pure silver powder, which is expensive and mainly imported. Micron sterling silver powder has the problem of particle sedimentation in the la...
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The silver plated copper powder adopts electroless plating technology to form silver plating with different thicknesses on the surface of ultra-fine copper powder and nickel powder; it has good oxidation resistance, good electrical conductivity, low resistivity, high dispersion and high stability. Silver plated copper powder is an ideal conductive powder and is an ideal material for low cost and h...
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