A method for the production of a coated paper， paperboard or film and a coated paper， paperboard or film

The present invention relates to a method for the production of a coated paper， paperboard or film， wherein the method comprises the steps of; providing a first suspension comprising cellulose fibers and/or nanocellulose， applying the first suspension on a substrate to form a fibrous web， wherein the web has a first and a second side， providing a second suspension comprising polymers and/or particles wherein the second suspension has a Brookfield viscosity above 3000m Pas at a dry content between 4%-40% by weight， providing at least one calender comprising at least one roll or belt， applying the second suspension to the surface of the at least one calender roll or belt forming a coating web and conducting said fibrous web through the at least one calender whereby the coating web is applied to the first side of the web forming the coated paper， paperboard or film. The invention also relates to a paper， paperboard or film produced according to the method.