Starch-coated paper or paperboard
AssigneeBillerud Aktiebolag (publ)
InventorJohan A. Larsson
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Abstract
There is provided a product comprising a paper substrate and a first coating provided on the substrate, wherein the first coating comprises starch and calcium carbonate pigment.
Claims17
A product comprising a paper substrate having a printing side and a reverse side, a first coating provided on the reverse side and a second coating provided on the printing side, wherein the first coating comprises starch and calcium carbonate pigment and the dry weight ratio of starch to calcium carbonate in the first coating is between 21:100 and 500:100.
The product of claim 3, wherein the dry weight ratio of starch to calcium carbonate in the first coating is between 25:100 and 500:100.
The product of claim 4, wherein the dry weight ratio of starch to calcium carbonate in the first coating is between 33:100 and 300:100.
The product of claim 4, wherein the dry weight ratio of starch to calcium carbonate in the first coating is between 50:100 and 500:100.
The product of claim 6, wherein the dry weight ratio of starch to calcium carbonate in the first coating is between 150:100 and 500:100.
Dependencies are inferred from the claim text.