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How to obtain nano aluminum oxide?

Posted on 2022-12-02 By admin

The preparation
Aluminum oxide can broadly be divided into 3 categories: solid phase method, liquid method, or gas phase.

Gas phase method

  • Laser induced vapor deposition
  • Laser inducedvapor deposition technology involves using a laser to cause a very high temperature environment in which reactants quickly produce tiny particles. The tiny embryos will begin to grow. When they leave the area of laser irradiation, they will stop growing rapidly and then the micropowder enters the collector. Finally the procedure will be repeated to create the nano powder.

  • Plasma gas phase synthesis
  • An oxygen atmosphere is created when the anode-cathode plates are in contact with each other. The aluminum salt forms oxide from which it oxidizes. This product then undergoes rapid cooling to produce nano alumina, fine particles. Finally, remove it from the heat.

  • Chemical vapor deposition
  • Chemical gas-phase deposition refers to the situation in which the temperature of aluminum chloride exceeds the critical reaction temp.
    Reactant Vapor forms a high saturated vapour pressure. This causes the reactant to condense and form large quantities of crystal nuclei.

    Liquid phase method

    Nano-alumina is synthesized most often using the liquid phases method. This method is also known by wet chemicals method. There are three possible ways to further split the liquid-phase method: a precipitation process, a solgel method and others.

    Solid phases method

    Mechanical grinding

    It is simple to prepare nano-alumina using mechanical grinding. Once the raw material is ground (e.g. kaolin), it can be extracted from the grinder by purifying impurities. The downside to this method is the difference in the particle size as well as the noise generated during production.

    Phirolysis

  • Ammonium aluminum sulfate pyrolysis
  • For nano alumina to be produced, aluminum ammonium Sulfate needs to first go through several purifications. Some toxic gases may be generated during the process of preparation. These harmful gasses can lead to environmental pollution.

  • Thermal Decomposition
  • of Ammonium Aluminum Carbonate
    This improvement to the ammonium-alcohol sulfatepyrolysis procedure saves many of your time.

    The basic characteristics of nanomaterials are not the only thing that nano-alumina can do. Nano-alumina displays a number of outstanding properties and is widely used in ceramics as well as anti-corrosion.

    Concrete material

    Ceramics made of alumina are excellent in mechanics and high temperature resistance. They also have chemical stability. It is the most common ceramic material in the world. Nano-scale Alumina is able to improve strength, toughness and plasticity. This greatly enhances the material’s ability to perform.

    Material surface protection

    Nanoalumina has unique properties that can dramatically improve the materials surface and provide surface protection.

    Rubber modification

    Nano-alumina development has seen polymers rapidly modified. These polymers are now widely used. Modification of other polymers to fit the specific needs.

    composite material
    The unique qualities of nano-alumina play an important role when it comes to composite materials.

    Adsorbent material

    You can also use nano alumina to absorb metal ions.

    Application to sensors

    The sensors’ nano-alumina film, used to detect the release by mice of nitric acid, was satisfactory. This indicates that this sensor may have potential applications.

    Catalyst for and carrier apps

    Additionally, nano alumina has many important uses in the abrasives market. Furthermore, some nano-scale composites can be made for precision grinding.

    TRUNNANO (Luoyang Trunnano Tech Co. Ltd.), is a highly skilled manufacturer of aluminum oxide. They have over 12 years experience in the development and research of chemical products. You are welcome to contact us for quality aluminum dioxide.

    Inquiry us

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