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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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Due to the extremely strong surface activity of nano TiO2, it is easy to form large-sized agglomerates, which affects the practical application. Therefore, it can be modified from the aspects of improving the photocatalytic degradation efficiency of TiO2, changing the dielectric constant and surface activity of TiO2. There are two ways of combining surfactants with TiO2: one is physical adsorption...
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Nano zinc oxide is a fine inorganic material with a particle size between 1nm and 100nm. Zinc oxide usually exists in the form of wurtzite, with four oxygen atoms surrounding the zinc ion, forming a thermodynamically stable tetrahedral structure. Due to the changes in the crystal structure and surface electronic structure of nano-zinc oxide, nano-zinc oxide has the characteristics of surface effec...
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Dispersant is a kind of surfactant that has two opposite properties of lipophilicity and hydrophilicity in the molecule. It can increase the compatibility of oily and aqueous components in the same system, and also prevent the sedimentation and agglomeration of particles, forming an amphiphilic reagent required for stable suspensions. Dispersant, also known as wetting dispersant, has many kinds. A...
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The formation of a stable dispersion system, in addition to using electrostatic repulsion, that is, the negative charges adsorbed on the surface of the particles repel each other, to prevent the adsorption/aggregation between particles and finally form large particles and stratify/settlement, but also use. The theory of the steric hindrance effect, whereby particles that have adsorbed negative cha...
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The preparation methods of CNTS loaded metal nanoparticles are mainly physical preparation and chemical preparation methods. The most commonly used is chemical preparation method. The chemical preparation method is generally uniformly loaded with metal nanoparticles on the carrier CNTS. The general process of chemical preparation is that the metal front drive is restored to atoms, and the metal at...
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In pigments, nano sized iron oxide is also known as transparent iron oxide (through iron) . The so-called transparency, not specifically refers to the particles themselves macroscopically transparent, but refers to the pigment particles dispersed in the organic phase to make a film (or oil film) , when the light irradiation on the film, if the original direction does not change basically through t...
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1.The application of nanometer iron oxide in ink material, The transparent iron yellow can be used for the coating of the outside of the can, the nanometer iron oxide red ink is red-gold color, it is especially suitable for the inside of the can, and the transparent iron red can resist the high temperature of 300 ° C, is a rare pigment in ink treasures. In order to improve the printing quality of ...
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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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The main uses of nanomaterials: pharmaceuticals, household appliances, electronic computers, and the electronic industry, environmental protection, textile industry, and machinery industry. Nanotechnology is the core technology in the development of automobiles. Nanotechnology can be applied from car bodies to wheels, covering almost all of cars. The widespread application of nanotechnology in aut...
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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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