American Coatings Show 2018

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4.6 Easy-Dispersing Inorganic Pigments for Water & Solvent-Based Coatings (Room 234-236)

09 Apr 18
5:00 PM - 5:30 PM

Tracks: Session 4: Grinding & Dispersing, Session 4: Novel Materials

Easy Dispersing Inorganic Pigments are modified complex inorganic colored pigments which can be used in most types of coating applications. Using only a dissolver, they can achieve the optimum tinting power because of their low dispersing effort requirement. This advanced family of pigments is the easiest and most environmentally friendly way of coloring coating applications such as coil coating or architectural decorative paints using only dry powder, avoiding pre-mixes with unnecessary solvents. Most common inorganic pigments have aggregated and agglomerated phases in their powder form due to their ordinary manufacturing process. This process has a milling stage as a final manufacturing step in which the particles are reduced to very fine sizes. After this process the fine particles tend to re-agglomerate and re-aggregate and this is the reason why high mechanical energy is necessary to reach good dispersion in coatings. By a new and innovative process, EDP are stabilized to prevent re-agglomeration and re-aggregation problems after milling process and as a consequence, easier and more effective dispersion processes are obtained with these stunning advanced pigments. The dispersion levels achieved for different families of EDP will be evaluated and compared with standard pigment grinding. It will be also evaluated an idea of the cost-savings achieved by this coatings production process.