Polyacrylamide, PAM for short, is a kind of linear high polymer, is the application of water soluble polymer compounds is one of the varieties of polyacrylamide and its derivatives can be used as a flocculating agent, thickening agent, paper strengthening agent and fluid drag reduction agent, etc., used in water treatment, paper making, petroleum, coal, mining and metallurgy, geology, light textile, construction and other industrial sectors. Insoluble in most organic solvents...