Coating formulation for offset paper and paper coated therewith
AssigneeSAPPI Netherlands Services B.V.
InventorsJean-Pierre Haenen, Kenneth B. Jewett, Ronald Van De Laar, Susan E. Snow
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Abstract
Coated paper for offset printing comprising at least on one side a top coating layer with improved ink scuff behaviour, said top coating layer comprising a pigment part, the 100 parts in dry weight thereof comprising in the range of 2-40 parts in dry weight of a fine particulate, preferably organosilane surface-treated Phyllosilicate pigment like (as pure as possible) Talcum, a binder part of 2-20 parts in dry weight of binder and optionally additives in the range of 0-8 parts in dry weight.
Claims29
Coated paper for offset printing comprising at least on one side a top coating layer, said top coating layer comprising
- a pigment part, the 100 parts in dry weight thereof comprising in the range of 2-40 parts in dry weight of a fine particulate, organically surface-treated and/or impregnated Phyllosilicate pigment,
- a binder part of 2-20 parts in dry weight of binder and additives in the range of 0-8 parts in dry weight.
Method for making a coated paper for reducing and/or eliminating ink scuff in offset printing processes, wherein a fine particulate surface-treated/impregnated Phyllosilicate pigment is used in the paper coating formulation.
Dependencies are inferred from the claim text.