Lubricating oil defoamer: performance improvement and application expansion

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Lubricating oil defoamer: performance improvement and application expansion
By : Zilibon Chemical

2025/4/8
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During the production and use of lubricating oil, foam problems often plague related industries. Foam not only affects the appearance and quality of lubricating oil, but may also cause its performance to decline, such as reducing the adhesion of coatings and affecting the lubricating effect of lubricating oil. Therefore, the application of lubricating oil defoamers is particularly important.

The working principle of lubricating oil defoamers is mainly to achieve the defoaming effect by reducing the surface tension of the foam liquid film. The defoamer molecules can quickly penetrate into the surface of the foam liquid film, replace the original surfactant molecules, and reduce the local surface tension of the liquid film. Due to the uneven surface tension of the liquid film, the foam breaks. In addition, the defoamer also has the dual functions of defoaming and defoaming. The defoaming function can quickly destroy the formed foam, while the defoaming function can prevent new foam from being generated again.

The way the defoamer is added will also affect the defoaming effect. It is usually recommended to add the defoamer evenly during the stirring process of the lubricating oil to ensure that it can be fully dispersed in the system. At the same time, pay attention to the timing of addition, and try to add it when the foam just starts to form to achieve the best defoaming and defoaming effects.

Lubricant defoamers play an important role in the lubricant field. By properly selecting and using defoamers, we can effectively control the foaming problem in the production and use of lubricants, improve the quality and performance of products, and protect the environment. In the future, with the continuous improvement of environmental protection requirements and the continuous advancement of technology, lubricant defoamers will develop in the direction of environmental protection, high performance, and intelligence, providing strong support for the sustainable development of the lubricant industry.
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