Polymer adhesive defoamer is the key to improving the performance of polymer adhesive

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Polymer adhesive defoamer is the key to improving the performance of polymer adhesive
By : Zilibon Chemical

2025/4/7
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As an important adhesive, polymer adhesive is widely used in many fields such as construction, automobiles, electronics, etc. However, in the production and use of polymer adhesives, foam problems often occur. These foams not only affect the appearance and quality of polymer adhesives, but also may cause the performance of adhesives to decline, such as reducing the bonding strength of adhesives and affecting the curing speed of adhesives. Therefore, the application of defoamers for polymer adhesives is particularly important.

The working principle of defoamers for polymer adhesives is mainly to achieve defoaming effect by reducing the surface tension of foam liquid film. Defoamer molecules can quickly penetrate into the surface of foam liquid film, replace the original surfactant molecules, and reduce the local surface tension of liquid film. Due to the uneven surface tension of liquid film, the foam breaks. In addition, defoamers also have 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 defoamers evenly during the stirring process of polymer glue to ensure that they can be fully dispersed in the adhesive. 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 anti-foaming effect.

Defoamers for polymer glue play an important role in the field of polymer glue. By rationally selecting and using defoamers, it is possible to effectively control the foaming problems in the production and use of polymer glue, improve the quality and performance of polymer glue, and protect the environment. In the future, with the continuous improvement of environmental protection requirements and the continuous advancement of technology, defoamers for polymer glue will develop in the direction of environmental protection, high performance, and intelligence, providing strong support for the sustainable development of the polymer glue industry.
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