A PIGMENT COATED PAPERBOARD ADAPTED FOR STERILIZABLE PACKAGES

摘要

The invention describes a pigment coated paperboard adapted for sterilizable packages and comprising one or more layers, with a pigment coated top layer of bleached kraft pulp. The paperboard has a density in the range of 700 to 870 kg/m 3 and is hydrophobic from a sizing agent treatment of each layer, wherein the pigment coating comprises a pigment, a binder, and a rheology modifier, and wherein the pigment comprises at least 50 weight% calcium carbonate, the binder comprises an acrylic co-polymer, and the rheology modifier comprises an acrylic co-polymer. According to the invention is also defined a corresponding method and use of the paperboard for producing a package, as well as a package.