The effect of white latex defoaming agent
White latex continues to innovate in technology and applications. Some new white latex products have emerged, with better bonding properties, shorter drying time and wider application range. At the same time, in order to solve the foam problem, the addition of white latex defoamer has become an indispensable part.
1. Causes of blistering
During the application process of white latex, the main reasons for foam generation are as follows:
1. Stirring: When stirring white latex, mechanical force will introduce gas into the colloid, thereby generating bubbles.
2. Gas solubility: The presence of certain materials or additives, such as surfactants, solvents, etc., will increase the solubility of gas in the colloid, causing foam to form when the gas is released.
3. Reaction process: Certain chemical reaction processes in white latex will also produce gas, leading to the generation and accumulation of foam.
2. The role of defoaming agent
Latex defoamer is a substance that can effectively destroy and inhibit foam formation. It has the following functions:
1. Destroy the foam structure: Defoaming agents have the ability to destroy the foam structure. Foam is composed of bubbles. Defoaming agents can quickly diffuse into the foam and reduce the surface tension, causing the foam structure to rupture and the bubbles to quickly release.
2. Improve product quality: The foam in white latex will affect product quality, such as reducing bonding strength and affecting coating smoothness. By using defoaming agents, you can effectively reduce the presence of foam and improve product quality and performance.
3. Improve production efficiency: The generation of foam in white latex will increase the complexity of the process during production and may lead to stagnation and failure in the production process. By using defoaming agents, foam interference can be reduced, production efficiency improved and production costs reduced.
