How Composite Pigments Improve Coating Opacity and Ultimately Result in Improved Cost and Sustainability

By utilizing composite pigments containing optimally spaced TiO₂, a formulator can improve overall TiO₂ efficiency in waterborne coatings. This will result in a significant increase in the opacity and whiteness, allowing the use of thinner films. The substantial improvement in opacity allows for thinner films (lower coat weight) to be applied while maintaining target coating opacity. This paper will show how the TiO₂ efficiency is improved using composite pigments and the potential impact they have on spreading rate/ film thickness and therefore improved coating cost and sustainability.