Summary of the chemical process in the surface treatment of solid materials in plasma cleaning equipment:
When using plasma cleaning equipment for surface treatment of solid materials, the particles in the plasma can transfer their own energy to the solid surface. Therefore, due to the increase in their own energy, new chemical bonds can be created for atoms or molecules on the solid surface, or Break the original chemical bond. The chemical process mainly includes oxidation, reduction, decomposition and cracking, polymerization and so on.

The previous part of the content mainly introduced the physical interaction between plasma cleaning equipment and the surface of solid materials. The chemical process with the surface of solid materials is a treatment process corresponding to the physical action. The following is the chemistry of plasma cleaning equipment and the surface treatment of solid materials. The process is summarized and introduced.
1. Oxidation process
Oxygen is a strong oxidant. When the plasma cleaning equipment uses oxygen as the process gas, the plasma generated by it also contains oxygen, which can react with the solid surface to form oxide or peroxide on the surface.
2. Restoration process
Hydrogen atoms have a high reactivity. It is a kind of strong reducing agent. In the treatment of plasma cleaning equipment, it can not only reduce the oxides on the surface of the reacted solid material, but also penetrate into the deep layer of the material, which will be deeper. The reduction of oxides, the reduction of metals in metal oxides, is one of the applications of hydrogen atoms.
3. Decomposition and cracking process
The use of plasma in the plasma cleaner can decompose the molecules on the surface of the solid material, break the bonds of macromolecules and molecules, and reduce the molecular mass.
4. Polymerization process
After the plasma cleaning equipment is introduced into the monomer, polymerization can be carried out on the surface of the material, polymer can be generated on the solid surface, and free radicals can be generated on the solid surface by plasma induction, thereby cross-linking through molecular bonds, grafting on side bonds, Methods such as functional group conversion or block polymerization are combined with monomers.
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