Fast-solving polyacrylamide is to satisfy the demand for tertiary oil recovery technology in Shengli Oilfield, the success of the research is due to the properties of good solubility,heat resistant ,salts tolerant and anti-shear. Polyacrylamide (PAM) ,a kind of water-soluble polymer with a special structure, is not only widely used as flooding agent for EOR,but also widely used in chemical, metallurgy, geology, coal, paper, textile, water processing industry, Therefore,it is very necessary to prepar...