This article will introduce the different types of additives for paints and coatings. We will talk about Syneresis modifiers, Defoamers, and Dispersing agents. In addition, we’ll discuss how additives affect the properties of the coatings. The types of additives are important to consider when formulating your paints and coatings. These chemicals can solve problems and cause others.
One of the common problems with paints and coatings is syneresis, or the separation of liquid components. In the simplest terms, this phenomenon occurs when liquid particles layer over each other with different densities. This can be a light layer of solvent in the bottom of a container, or a layer of resin in the top of the container. In extreme cases, the separation could be so great that the resin separates from the water and coalesce, read more here.
The global market for anti-settling agents for paints and coatings is growing at a rapid pace, and this growth is attributed to several factors. The Asia Pacific region is poised to experience rapid growth, with a variety of new product development avenues in rapidly expanding end-use industries. In addition to Asia, North America presents a promising market for chemical companies, thanks to increasing investments in high-performance paints and growing awareness of the importance of anti-settling agents.
Defoamers are ingredients in coatings and paints that improve the adhesion, stability, and applicability of the finish. They are used in paints, aerosols, and curtain coatings. Increasing stringent environmental regulations have spurred the development of waterborne systems to replace solvent-based coatings. These waterborne systems utilize higher levels of special surfactants and thus, demand for defoamers is anticipated to rise.
Dispersing agents in paints and coatings should be compatible with the binder systems used in the formulation. A strong affinity between dispersing agents and the binder system is essential to ensure optimal performance and stability in the liquid phase and film formation. Incompatibility can result in pigment flocculation during the wet paint process or during the film formation process. However, this problem is not as severe as it sounds, and dispersants can improve the quality of paints and coatings in a number of ways.
Paints and coatings often incorporate additives that make the paint flow more smoothly. They also make paint dry more slowly, allowing particles to bond and level out. Some of these additives are useful in industrial settings where the coating is likely to be exposed to chemicals and water. These products are categorized according to their use. Read below to learn more about the different types of resins available for coatings.