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[Chemical Knowledge]：What are the polyether defoamers? Do you know

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polyether defoamers are a common additive that produce defoaming in fluids. In the industrial field, the change of fluid surface area may lead to the generation of foam, so the addition of defoaming agent can effectively reduce this phenomenon. In this article, we will discuss the types of polyether defoamers and their role in various applications.

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polyether defoamer is a very common defoamer with excellent defoaming effect. They prevent the formation and retention of foam by reducing surface tension. The polyether defoaming agent can be used in various liquids, such as water and solutions, and various chemical substances, such as acids, alkalis and solvents. The key ingredient therein is a polyether, I .e. a polyetheramine or a polyetherol, which makes them suitable for many different applications.

a common polyether defoamer is a non-ionic polyether defoamer, which inhibits the adsorption of surfactants by changing the surface tension of the liquid, thereby eliminating foam. The nonionic polyether type defoaming agent is generally used in a solution such as a metal cleaning solution, a solution for electronics, and a printing ink.

anionic polyether defoamers can play an important role in water treatment and environmental protection. They have good water solubility and stability, and can perform defoaming effect in neutral and weakly acidic liquids. This defoamer is usually used in sewage treatment, which can reduce the foam and foaming of sewage in the treatment process. Anionic polyether defoamers can also be used in pulp and paper industry, which can effectively inhibit foam generation.

cationic polyether defoamers are suitable for some special fields, such as oil field chemistry, personal care products and adhesives. Cationic polyether defoamers are designed for certain emulsion liquids, such as oil-water emulsions, to effectively eliminate foam. This defoamer can also be used in fertilizer and fertilizer production, as well as in fire protection and construction.

polyether defoamers play a vital role in a variety of applications. Whether in the pharmaceutical, food and beverage, or in the pulp and paper, petrochemical and hygiene fields, defoamers are needed. Polyether defoaming agent can not only eliminate foam, reduce production costs, but also improve product quality. In many company laboratories, polyether defoamers play a very important role as additives to help produce high-quality products.

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