China is an important DAC production and demand country in the world. The DAC industry is highly concentrated.

DAC (acryloyloxyethyltrimethylammonium chloride) is the chloride of acrylic acid ethoxy quaternary ammonium salt. It is one of the commonly used cationic monomers. It can be homopolymerized or copolymerized with other monomers, such as propylene. Amide, methacrylamide, acrylonitrile, methyl acrylate, methyl methacrylate, styrene, acrylic acid or methacrylic acid are copolymerized, thus introducing quaternary ammonium salt groups…