Physical and Chemical Properties and Application Fields of Polyacrylamide
Polyacrylamide (PAM) is a linear polymer with the chemical formula (C3H5NO) n. It is a hard glass solid at room temperature, and its products include glue, latex, and white powder particles, translucent beads, and flakes. Good thermal stability. It can be dissolved in water in any proportion, and the aqueous solution is a uniform and transparent liquid. After long-term storage, the viscosity of the solution will decrease due to the slow degradation of the polymer, especially when the storage and transportation conditions are poor. Polyacrylamide is widely used as a lubricant, suspension agent, clay stabilizer, oil displacement agent, fluid loss additive, and thickening agent in drilling, acidification, fracturing, water shutoff, cementing, secondary oil recovery, and tertiary oil recovery. It is a very important oilfield chemical.
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