Coating composition comprising submicron calcium carbonate particles, production method therefor and use of the submicron calcium carbonate particles in coating compositions

摘要

Coating composition providing gloss and opacity on application, having a pigment volume concentration of from 5% up to the critical pigment volume concentration and characterised in that comprises at least one ground natural calcium carbonate having a median diameter of between 0.05 and 0.3 µm, and at least one pigment having a refractive index of greater than or equal to 2.5.