Polydiallyldimethylammonium chloride is a chemical substance with the molecular formula of (c8h16ncl) n. This product is a strong cationic polyelectrolyte with colorless to yellowish viscous liquid appearance. It is safe, non-toxic, soluble in water, non flammable, strong cohesion, good hydrolysis stability, no gel, insensitive to changes in pH value, and has chlorine resistance. The freezing point is about - 2.8 ℃, the specific gravity is about 1.04 g / cm, and the decomposition temperature is 280-300 ℃.

In wastewater treatment, mining and mineral processing, it is used as cationic coagulant; in textile industry, it is used as aldehyde free fixing agent; in papermaking process, it is used as anionic trash catcher and AKD ripening accelerator; in oilfield industry, it is used as clay stabilizer for drilling and cationic modifier for acidizing fracturing in water injection. In addition, it is also used as regulator, antistatic agent, humidifier, shampoo and skin care emollient.