Ten Ways to…..Control Rheology by Changing Particle Properties (Size, Zeta Potential and Shape)
White Paper Aug 19, 2015
Many common materials can be considered to be dispersions in which one substance (often particulate) is dispersed in another phase. These material types include adhesives, agrochemicals, cement, ceramics, colloids, cosmetics and personal care formulations, food and drink, mining and mineral slurries, paints, inks and surface coatings, pharmaceuticals and polymer systems.
The physical properties of the dispersed particles, such as the average particle size, the size distribution, the zeta potential or charge on the particles and even the shape of the particles all help influence the overall (bulk) material properties such as the rheology.
This “Ten Ways” guides you through some of the fundamental properties of the dispersed system, and demonstrates how these affect the rheological properties. Whereas it in interesting to understand the bulk material properties, such as rheology, which are associated with the changes in the particle size, shape and zeta potential, these examples will also demonstrate how this understanding can allow the rheology of the material to be controlled.