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Plasma surface treatment machine has many advantages that other methods do not have

Plasma surface treatment machine has many advantages that other methods do not have:
Bismuth oxide is an important functional powder material, which is widely used in inorganic synthesis, electronic ceramics, chemical reagents and other fields. It is mainly used to manufacture ceramic dielectric capacitors, as well as electronic ceramic components such as piezoelectric ceramics and varistors. Due to the finer particle size of nano bismuth oxide, in addition to the properties and uses of bismuth oxide powder with general particle size, it can also be used in occasions with special requirements for particle size, such as electronic materials, superconducting materials, special functional ceramic materials, and cathode ray tube inner walls. Paint etc.

Therefore, the exploration of the preparation method and application of nano-Bi:O3 has aroused widespread interest of researchers at home and abroad. The methods for preparing nano-Bi20 generally include solid-phase reaction method, precipitation method, spray combustion method, sol-gel method, etc. These methods have achieved good results, but there are still some limitations: Nano bismuth oxide particles prepared by spray combustion method The diameter is uneven and the equipment requirements are high; the nano bismuth oxide produced by the chemical method is easy to agglomerate. Due to the use of lye in the production process, the alkali metal or alkaline earth metal ions are inevitably brought in, which affects the purity of the bismuth oxide.
Plasma surface treatment machine plasma has high activity. It is a gaseous substance in an ionized state, a chemical reaction in the gas phase. Plasma is generated by ionization of pure gas, which is conducive to the preparation of high-purity powder. Because the plasma temperature gradient of the plasma surface treatment machine is large, it is easy to obtain high saturation, and it is also easy to achieve rapid quenching to obtain high-purity nano powder. Compared with the liquid phase method, the powder product prepared by the gas phase method generally has high purity, clean surface, good crystal structure, and less environmental pollution. Therefore, it is more advantageous to use the gas phase method when preparing bismuth nano-powders.
There are many advantages to using plasma surface treatment machine plasma method to prepare nano powders that other methods do not have. Plasma is the heat source, ordinary micron-sized bismuth oxide powder is used as the raw material, and by selecting the appropriate power and feeding amount, a square crystal system nano BizO3 with a powder median diameter of 17.5nm and a specific surface area of 47.73m/g has been successfully prepared. Powder; the prepared nano bismuth oxide has high purity and good crystal structure.

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