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Quaternary ammonium salts are a type of chemical substance commonly used as ionic surfactants. Compounding refers to the preparation of quaternary ammonium salts by mixing them with other chemical substances to achieve specific purposes or performance requirements. This complex often utilizes the synergistic effect of the surface activity of quaternary ammonium salts and the properties of other chemicals to expand its application range. The following are several common compounding and applications of quaternary ammonium salts:

Compounding of quaternary ammonium salts and non-ionic surfactants: Mixing quaternary ammonium salts with non-ionic surfactants such as fatty alcohol polyoxyethylene ether, polyether, etc. can improve the stability and wetting performance of surfactants. It is commonly used in detergents, emulsifiers, hair care products, etc.

Compounding of quaternary ammonium salts and cationic polymers: The combination of quaternary ammonium salts and cationic polymers, such as polyacrylamide and polyethyleneimine, can form a complex to improve the adsorption capacity and water treatment effect of the polymer. It is commonly used as a water treatment agent, solid settling agent, etc.

Compounding of quaternary ammonium salts and preservatives: Mixing quaternary ammonium salts with preservatives such as phenol and isothiocyanate can improve the bactericidal effect and stability of preservatives. It is commonly used in fields such as wood preservation, paint coatings, and paper mold prevention.

Compounding of quaternary ammonium salts and antibacterial agents: The combination of quaternary ammonium salts and antibacterial agents, such as chlorobenzoic acid, can enhance the bactericidal and colony growth inhibition abilities of antibacterial agents. It is commonly used in disinfectants, medical device disinfection, etc.