| abstract |
The present invention relates to the use of surface-reacted calcium carbonate as an anti-blocking agent in a polymer-containing composition, wherein the surface-reacted calcium carbonate is naturally ground or precipitated calcium carbonate in an aqueous medium, carbon dioxide and Use, surface-reacted calcium carbonate or surface, which is a reaction product with one or more H3O + ion donors, wherein the carbon dioxide is generated in situ by H3O + ion donor treatment and / or supplied from an external source Anti-blocking agent comprising a combination of a reactive calcium carbonate and an inorganic material, a method for controlling blocking of a polymer-containing composition, a surface-reacted calcium carbonate, or a polymer-containing composition comprising a combination of a surface-reacted calcium carbonate and a mineral material, Coating compositions containing such polymer-containing compositions, and About coated substrate with the coating composition, such as. |