Patent ID: 8101250

Claim:
Coated printing sheet for sheet-fed offset printing with an image receptive coating layer on a paper substrate, wherein the image receptive coating layer comprises a top layer and optionally at least one second layer below said top layer, said top layer or said second layer comprising: a pigment part, wherein this pigment part is composed of 75 to 99 parts in dry weight of a fine particulate carbonate and/or of a fine particulate kaolin and/or of a fine particulate clay 1 to 25 parts in dry weight of a fine particulate silica selected from the group consisting of: amorphous silica gel; amorphous precipitated silica with a surface area above 150 m2/g, and a binder part, wherein the binder part is composed of: 5-20 parts in dry weight of binder and less than 4 parts in dry weight of additives, wherein the total surface energy of the image receptive coating layer is less than or equal to 30 mN/m and wherein the dispersive part of the total surface energy is less than or equal to 18 mN/m.