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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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Nano technology spans multiple disciplines, involving a wide range of faces, and has had huge impacts in many areas and even the entire social life, such as in the fields of physics, chemistry, material science, biology, medicine, engineering, and computer simulation. Nano particles appeared in the 1980s, that is, pink particles with a particle size of less than 100nm. Because of the small nanopar...
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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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The polymer film material has good processing and electrical insulation, and is widely used in various fields of industrial production and daily life. However, due to its high surface resistance, static electricity is easy to accumulate during use. When static electricity accumulates to a certain degree It will cause static vacuums, electric shock, and even adverse consequences such as fire and ex...
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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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1. In the application of nano ferric oxide in magnetic materials and magnetic recording materials The size of magnetic particles as a magnetic recording unit must meet the following requirements: the length of particles should be smaller than the recording wavelength; The width of the particles (including possible lengths) should be much smaller than the recording depth; there should be as many ma...
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1、 Safety and Environmental Protection Nano magnesium oxide has very high safety and environmental friendliness. As a non-toxic and harmless material, compared to traditional magnesium oxide materials, nano magnesium oxide has higher strength and durability, as well as better corrosion and wear resistance, which can be used for a long time in various harsh environments. 2、 Strong adsorption capaci...
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Measuring the thickness of the coating layer in nanoparticles requires the use of advanced instruments and techniques. The following are possible measurement methods: Transmission Electron Microscope (TEM): This is a microscope that utilizes high-density electron beams to observe and measure the structure and properties of nanoparticles. For the measurement of the thickness of the coating layer, T...
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The surface coating treatment of ultrafine powder is a very useful technology, which can improve the flow performance of the powder, reduce dust flying, improve stability and moisture resistance, and enhance the solubility of the powder. The commonly used surface coating treatment methods for ultrafine powders include the following: Wet surface treatment: The coating material is added in liquid fo...
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Metal nanoparticles are a widely used material that can be applied in various fields, such as medicine, electronics, energy, and the environment. They have extremely small size and high surface area, which can enhance the performance of many materials. However, the surface of metal nanoparticles is often very active and easily reacts with the surrounding environment, so a passivation layer is need...
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With the increasing demand for the performance and lifespan of mechanical equipment, the application of self-lubricating materials in the industrial field is becoming increasingly widespread. Nanomaterials play an important role in the manufacturing of self-lubricating materials due to their excellent physical properties. So, which nanomaterials can be used for the manufacturing of self-lubricatin...
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