Custom Solutions

Solvent-Based Systems

The main challenge in this system is often the incorporation of air during the mixing and application processes. Defoamers and antifoams in solvent-borne systems typically work by breaking surface tension. They reduce the surface tensions of liquid, preventing the information of stable foam bubbles. Defoamers can cause the coalescence of smaller bubbles into larger ones, which then collapse more easily. The choice of defoamer depends on the compatibility with the solvent and the formulation, ensuring it does not negatively impact the coating's properties.

Water-Reducible Systems

In water-reducible systems, including those with waterborne coatings, managing foam is crucial. Defoamers and antifoams function by surface modification. They modify the surface properties of the liquid, preventing the stabilization of foam. Some defoamers may coat the particles in the system, preventing them from acting as nucleation sites for foam. Water-reducible systems often require defoamers that are hydrophobic and can effectively work in an aqueous environment without negatively affecting the coating's performance. 

Water-Based Systems

In fully water-based systems, managing foam is a critical challenge. Defoamers and antifoamers operate through deaeration. They aid in the release of entrained air by promoting the coalescence of air bubbles and facilitating their rise to the surface. Defoamers may interact with particles in the formulation, preventing them from participating in foam stabilization. The choice of defoamer in water-based systems is influenced by factors such as pH, compatibility with other additives, and the overall formulation.

100% Active Systems

These systems could be solvent-based or water-based, making managing foam an important process during manufacturing. Defoamers and antifoams in these systems work through bubble coalescence. They encourage the merging of small bubbles into larger ones, making it easier for them to rise to the surface. Facilitating the release of entrained air during the manufacturing process. The choice of a defoamer depends on the specific requirements of the process and the compatibility with other components in the system. 

Results May Vary

It is important to note that these are general guidelines, and specific formulations may vary based on the desired properties of the final coating, the substrate, and the intended application. Formulators often consider factors such as adhesion, durability, weather resistance, and environmental impact when selecting products for a particular coating system. Defoamers need to be compatible with the overall formulation and other additives present.

Use Correct Dosage

The use of defoamers should not negatively impact the performance and properties of the final product. The optimal dosage of defoamers depends on the system and the severity of foam-related issues. It is important to note that the effectiveness of defoamers can vary on the specific formulation and application process. Contact us to speak with one of our knowledgeable representatives to find the most suitable defoaming solution for your application.