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Is the viscosity of polyacrylamide related to quality?


General customers believe that the higher the viscosity of polyacrylamide, the higher the molecular weight, the better the quality.
Usually we refer to the viscosity at a certain concentration and the viscosity of the temperature. For the existing polyacrylamide, its molecular weight is certain, at a certain concentration of viscosity is also certain. For polyacrylamides that have been produced, it is generally not possible to increase the viscosity, either by adding a crosslinking agent to partially branch or crosslink. Change its fluid mechanics, to a certain extent, can improve its viscosity.
Of course, the most straightforward way to increase the viscosity of polyacrylamide is to increase the degree of polymer and increase its molecular weight, so that it is most direct and most effective. There is also a method is to add when the plasticizer, nucleating agent, etc., which can improve the crystallinity of polyacrylamide, thereby increasing the viscosity of the product.
Generally the latter is not desirable, the result of this is not able to reduce the unit cost of water treatment for water treatment, on the contrary may also increase its cost, only when the thickener can be effective.

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