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US 12,766,868 B2Granted
Decorative paper layers, printable paper layers. methods for manufacturing printable substrates, and ink used in such method
AssigneeUnilin BV
InventorBenjamin Clement
Life of this patent
Estimating the term…
Abstract
A decorative paper layer may include a base paper layer with a core. A pattern may be formed by digitally applying inks to at least one surface of the base paper layer. The inks may penetrate from the surface into the core of the base paper layer over a depth that is less than 30% of a thickness of the base paper layer. Methods are also provided for manufacturing printable papers and decorative paper layers, as well as inks that may be used in such methods.
Claims5
A decorative paper layer comprising:
- a base paper layer with a core;
- an ink receiving layer provided on the base paper layer;
- and
- a pattern formed by digitally applying inks to a surface of the ink receiving layer;
- wherein the inks penetrate from the surface into the core of the base paper layer over a depth that is less than 30% of a thickness of the base paper layer;
- wherein the decorative paper layer, having the ink receiving layer, has a mean air resistance expressed as a Gurley value of 30-80 seconds;
- wherein the ink receiving layer includes a binder and a metal salt being Calcium Chloride (CaCl2);
- wherein the thickness of the base paper layer is between 50 and 200 μm;
- wherein the ink receiving layer includes a first layer having a first composition and an upper second layer having a second composition;
- wherein both the first and the second compositions include a binder;
- wherein the second composition is free from pigment;
- wherein the metal salt is present in the second composition;
- wherein the second layer is an uppermost layer of the decorative paper layer.
10 more elements
Dependencies are inferred from the claim text.