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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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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Invisible material refers to a material that can reduce or eliminate the reflection of light on the surface of an object, making it invisible or reducing its visibility. The principles of commonly used stealth materials currently include the following: The principle of refractive index control: By utilizing the difference between the refractive index of the material and the refractive index of the...
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The measurement deviation of particle size analyzer is influenced by various factors, and the following are some possible factors: The physical properties of the sample: The shape, size, density, and color of the sample can all affect the measurement deviation of the particle size analyzer. Measurement environment: Measuring environmental factors such as temperature, humidity, and pressure may lea...
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There are several methods to improve the flowability of powder during transportation: The particle shape of the powder can be controlled by changing the operating conditions during the grinding or spray drying process to affect its fluidity. Powder can be added with flowability additives, such as granular substances such as silica or alumina, to improve its flowability. For powders that are diffic...
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The preparation of SEM nano powder samples usually requires the following steps: Sample preparation Firstly, it is necessary to choose an appropriate sample preparation method. Usually there are physical methods, chemical methods, biological methods, mechanical methods, etc. Among them, the most common methods are magnetron sputtering, chemical reduction, aerosol, etc. Sample dispersion It is also...
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Introduction: In recent years, the use of nanotechnology in thermal insulation materials has gained significant attention in the field of material science. Nanoparticles with unique physical and chemical properties have become an attractive alternative to bulk materials for providing thermal insulation. In this article, we will discuss the commonly used nanoparticles as thermal insulation material...
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Nitrogen doped carbon nanotubes are a new type of nanomaterial with excellent physical and chemical properties, and have broad application prospects. First, nitrogen doped carbon nanotubes can be prepared by various methods, such as chemical vapor deposition, chemical vapor deposition arc discharge, electrochemical oxidation and reduction, sol gel method, etc. Among them, nitrogen doped carbon nan...
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Cesium tungsten bronze (CsxWO3) is a non stoichiometric functional compound with a special oxygen octahedral structure. It has low resistivity and low-temperature superconductivity, and excellent mechanical, optical, and thermal properties. The nano cesium tungsten bronze powder produced by our company is a nanomaterial with significant near-infrared absorption effect, with uniform particles and g...
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