Water-based coatings are environmentally friendly, safe and durable coatings, which are used in many industries using water as a solvent or dispersion medium. Water-based coatings are widely used, including but not limited to wood furniture paints, interior and exterior wall latex paints, wood wax oils, outdoor wood paints, metal antirust paints and plastic paints. They are mainly used for the decoration of various items, and are welcomed by the masses in the market because of their environmental protection and safety characteristics. On February 17th, Miss Chen received a product from Weifang, Shandong, Miss Liu is a manufacturer of water-based coatings, in the process of producing a batch of coatings, it was found that there was a phenomenon of blistering, in order to prevent blistering from harming the quality of water-based coatings, so she came to consultDefoamer for water-based coatings
Application scenario diagram of water-based paint defoamer).
Blistering in the production process of coatings is a very common problem, which is a production problem and will cause a series of hazards to coatings. Blistering can lead to the need for recoating or repair, which increases not only material costs, but also labor and maintenance costs. Blistering reduces the durability of water-based adhesives and may affect the adhesion between the coating and the substrate, making it easier for the coating to peel off or peel. The blistering of water-based paint can also cause defects such as depressions and pinholes on the surface of the coating film, which will affect the aesthetics and smoothness of the coating.
Through communication with Ms. Liu, we learned that the blistering of the paint can be caused by a variety of reasons, the first is that during the mixing or application process, improper operation will mix air into the paint and form bubbles. The second is that some paint formulations may contain ingredients that are prone to foaming, such as certain types of resins, additives, or pigments.
Defoamer for water-based coatingsIt is a composite product of organic polyether ester, mineral oil and alcohol, refined by special process. It has the properties of self-emulsification, easy dispersion, strong versatility, good defoaming, and long foam inhibition time. It does not produce surface defects or affect film-forming, and has a special effect on water-based coating systems. In the production, packaging and application of coatings, it is useful to control the generation of foam, to have good compatibility with the system, to last for a long time, and in a wide pH range.