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In the field of raw materials for chemical production, there are various manufacturing methods for other additives, depending on the specific type of additive and the required properties. The following are several common manufacturing methods for other additives

1. Dispersant 

The function of dispersant is to make the substance disperse more evenly in the medium. A common method for manufacturing dispersants is polymerization reaction. By selecting appropriate monomers and conducting polymerization reactions, polymer dispersants with specific molecular structures and properties can be generated. These dispersants can exert stable dispersion effects in various media

2. Defoamer 

Defoamer is used to eliminate foam generated during production. A common method for manufacturing defoamers is to use silicone oil as the base material, add an appropriate amount of hydrophobic and emulsifier, and prepare through processes such as stirring, emulsification, and homogenization. This defoamer has good defoaming performance and durability

3. Leveling agent 

Leveling agent is used to improve the surface leveling performance of liquids such as coatings and inks. A common method for manufacturing leveling agents is to use raw materials such as acrylic esters and organosilicon for polymerization reactions to generate polymers with specific surface activity. These leveling agents can reduce the surface tension of liquids and improve leveling performance

4. Preservatives 

Preservatives are used to inhibit the growth of microorganisms and extend the shelf life of products. A common method of manufacturing preservatives is to use organic acids such as benzoic acid and sorbic acid as basic raw materials, which are produced through chemical reactions. These preservatives have broad-spectrum antibacterial properties and have inhibitory effects on various microorganisms

The above is only a brief introduction to the manufacturing methods of other additives. The specific manufacturing process needs to be optimized and adjusted based on factors such as product type, raw material properties, and production process. Meanwhile, in order to ensure the quality and effectiveness of additives, strict quality control and testing are also necessary

In summary, the manufacturing methods of other additives need to be selected and optimized based on specific needs and actual situations to ensure product quality and production efficiency.