What are the commonly used thickeners and wetting and dispersing agents for waterborne coatings?

Original: What are the commonly used thickeners and wetting and dispersing agents for water-based coatings?

There are many paint additives in common water-based coatings, such as the amount of thickeners and wetting and dispersing agents, although the amount is small, but it can highlight the function of the paint and has become an indispensable component

Application scenarios for waterborne coatings

Water-based paint thickener is a rheology additive, which can not only thicken the paint and prevent the sagging phenomenon in construction, but also make the paint have excellent mechanical properties and storage stability

When a toner is added to a base paint, the pigments and fillers in the base paint compete for the dispersant and wetting stabilizer in the toner until equilibrium

In particular, when the polyurethane thickener cannot be fully associated with the emulsion and filler particles, it will be overly associated with the color pigment particles and form flocculation, resulting in floating color flowers, and the use of water-resistant dispersants and polyurethane association thickeners can achieve better color slurry compatibility

High-quality water-resistant dispersant can achieve the comparable dispersion efficiency of water-soluble dispersant; Polyurethane association thickener and water-resistant dispersant can be combined with each other to achieve a high system viscosity; The water-soluble dispersant is combined with an acrylic thickener, and the water-resistant dispersant is combined with a polyurethane thickener to achieve the stable rheological properties required for the formulation; Dispersants have a great influence on the gloss of the coating, and light coatings should choose water-resistant dispersants

Source of the article: The article is from "China Federal Thickener", please indicate the source when

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