characteristics and uses of cationic surfactant quaternary ammonium salts
cationic surfactant quaternary ammonium salt is formed by further alkylation of fatty tertiary amines. commonly used alkylating agents are methyl chloride or dimethyl phosphate. there are many types of them, and their output ranks first among various cationic surfactants. quaternary ammonium salts with practical value in industry include the following three categories: long carbon chain…

