Polyacrylamide is an important water-soluble polymer, and has valuable properties such as flocculation, thickening, shear resistance, resistance reduction, and dispersibility. These properties vary with the Chemicalbook of derivative ions. Therefore, it is widely used in oil extraction, mineral processing, coal washing, metallurgy, chemical industry, papermaking, textile, sugar refining, medicine, environmental protection, building materials, agricultural production and other departments.