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Anionic polyacrylamide has high viscosity

2023-04-21 13:13:16


Anionic polyacrylamide has been known for its high viscosity and molecular weight, superior to cationic polyacrylamide. Polyacrylamide is known to have a high viscosity, so its flocculation effect will be very good. Do you know what conditions affect its viscosity?

Anionic polyacrylamide has high viscosity. When the number of electrons in the outer layer of the molecule is greater than that in the inner layer, it becomes negatively charged and the negatively charged polyacrylamide becomes unstable. Anionic polyacrylamide will be because of too many external electrons and adsorption around cationic molecules, its viscosity will also be zeng large with molecular weight. Anionic polyacrylamide is viscous in aqueous solution. In general, the higher the molecular weight, the higher the viscosity. Since anionic polyacrylamide macromolecules are long and thin chains, the resistance to movement in solution is great. Its essence is to reflect the friction force in solution, also known as the coefficient of internal friction. The solution viscosity of various organic compounds in polymer flocculant is higher and increases with the increase of molecular weight.

As mentioned above, we should have a general understanding of the conditions that affect the viscosity of anionic polyacrylamide. Viscosity plays a big role in water treatment, so we need to have a thorough understanding of it, which will be very convenient for future work.

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