Vietnamese Pin Mill for Efficient Calcium Carbonate Coating
Introduction to Calcium Carbonate Coating and Modification What is Calcium Carbonate Coating? Calcium carbonate coating, or surface modification, is a precise chemical engineering process that alters the surface properties of ultrafine inorganic filler particles. Untreated calcium carbonate possesses a hydrophilic (water-attracting) surface, making it incompatible with organic polymers. By applying a molecular layer of a modifier—typically stearic acid or coupling agents—the surface transforms from hydrophilic to hydrophobic (water-repelling). This surface coating machinery ensures that each individual particle is evenly coated, allowing the non-metallic minerals to disperse seamlessly into polymer matrices during downstream industrial applications. The Importance of Surface Modification in Mineral Processing In modern powder processing, raw mechanical crushing and grinding processes […]