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US 12,281,444 B2Granted
Barrier coating for paper and paperboard
AssigneeStora Enso OYJ
InventorsMikael Gällstedt, Fredrik Wernersson Brodin, Åsa Nyflott
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Abstract
The present invention relates to an aqueous barrier coating composition comprising: 50-99.9% by weight of one or more anionic low molecular weight polysaccharide(s) having a degree of polymerization (DP) in the range of 2-12; 0.1-10% by weight of a polycationic polymer; based on the total dry weight of the aqueous barrier coating composition.
Claims19
An aqueous barrier coating composition comprising:
- 50-99.9% by weight of one or more anionic low molecular weight polysaccharides(s) having a degree of polymerization (DP) in a range of 2-12;
- and,
- 0.1-10% by weight of a polycationic polymer;
- the weights based on a total dry weight of the aqueous barrier coating composition.
1 more element
A barrier film or coating comprising:
- 50-99.9% by weight of one or more anionic low molecular weight polysaccharides having a degree of polymerization (DP) in a range of 2-12;
- 0.1-10% by weight of a polycationic polymer;
- the weights based on a total dry weight of the barrier film or coating.
Dependencies are inferred from the claim text.