How does the antifoam achieve the defoaming process?

07-04-2023

Antifoam can achieve the defoaming process in a variety of ways, the most common of which are surface active action and coalescence.


How do antifoam achieve the defoaming process? Surface-active action is a property that reduces the surface tension of a liquid. When defoamer molecules enter the foam surface, they destabilize the foam and reduce the surface tension of the foam, thus promoting the dissipation of the foam.

antifoam

How does defoamer achieve the defoaming process? Coalescence is a phenomenon that causes liquid molecules to aggregate into larger particles. When the defoamer molecules enter inside the foam, the defoamer can interact with the foam surfactant to promote the coalescence of the foam particles, thus making the foam more stable.


In addition, there are defoamers that can achieve the defoaming process by physical action, such as forming a film on the foam surface, thus isolating the air inside and outside the foam. This type of defoamer is usually used with defoamer's In summary, different types of defoamers can achieve the defoaming process in different ways, but all usually need to be used together with foam surfactants and other additives to obtain the best defoaming effect.



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