Corrugating linerboard, corrugated board, and methods of making the same
A method of making a corrugating linerboard includes supplying a web of coated linerboard having a first side, a second side and a thickness defined by a distance between the first side and the second side, the first side being coated with a moisture-repellant material; and impregnating the coated linerboard with a hydrophobic material from the second side such that the hydrophobic material penetrates into the thickness of the coated linerboard.
1. A method of making a corrugated linerboard comprising:
supplying a web of a paperboard material having a first side, a second side, and a thickness defined by a distance between the first side and the second side, wherein the thickness of the paperboard material is corrugated, and wherein the first side is coated with a moisture-repellant material; and
impregnating the paperboard material with a hydrophobic material from the second side such that the hydrophobic material penetrates into the thickness of the paperboard material.
2. The method of claim 1 , wherein supplying the web of the paperboard material comprises coating the first side of the paperboard material with the moisture-repellant material.
3. The method of claim 2 , wherein supplying the web of the paperboard material comprises unrolling the paperboard material to form the web of the paperboard material.
4. The method of claim 1 , wherein the moisture-repellant material is disposed over printing on the first side of the paperboard material.
5. The method of claim 1 , wherein the moisture-repellant material is a water-based coating.
6. The method of claim 5 , wherein the moisture-repellant material comprises a pigment.
7. The method of claim 1 , wherein the moisture-repellant material comprises multiple layers.
8. A corrugated linerboard comprising:
a paperboard material having a first side, a second side, and a thickness defined by a distance between the first side and the second side, wherein the thickness of the paperboard material is corrugated;
a water-based coating disposed on the first side of the paperboard material; and
a hydrophobic material impregnated into the thickness of the paperboard material.
9. The corrugated linerboard of claim 8 , wherein the water-based coating comprises a pigment.
10. A method of making a corrugated board comprising:
supplying a web of a first linerboard having a first side, a second side, and a thickness defined by a distance between the first side and the second side, wherein the thickness of the first linerboard is corrugated, wherein the first side of the first linerboard is coated with a first moisture-repellant material, and wherein a first hydrophobic material is impregnated into the thickness of the first linerboard;
forming a corrugated paper medium;
supplying a web of a second linerboard having a first side, a second side, and a thickness defined by a distance between the first side and the second side, wherein the thickness of the second linerboard is corrugated, wherein the first side of the second linerboard is coated with a second moisture-repellant material, and wherein a second hydrophobic material is impregnated into the thickness of the second linerboard; and
bonding the first and second linerboards to the corrugated paper medium.
11. The method of claim 10 , wherein the first and second moisture-repellant materials are water-based coatings.
12. The method of claim 11 , wherein the first and second moisture-repellant materials comprise a pigment.
13. A corrugated board, comprising:
a first linerboard having a first side, a second side, and a thickness defined by a distance between the first side and the second side, wherein the thickness of the first linerboard is corrugated, wherein the first side of the first linerboard is coated with a first water-based coating, and wherein a first hydrophobic material is impregnated into the thickness of the first linerboard;
a second linerboard having a first side, a second side, and a thickness defined by a distance between the first side and the second side, wherein the thickness of the second linerboard is corrugated, wherein the first side of the second linerboard is coated with a second water-based coating, and wherein a second hydrophobic material is impregnated into the thickness of the second linerboard; and
a corrugated paper medium positioned between the first linerboard and the second linerboard.
14. The corrugated board of claim 13 , wherein the water-based coating of the first linerboard comprises a pigment.
15. The corrugated board of claim 14 , wherein the pigment comprises about 30% by weight to about 60% by weight of the water-based coating of the first linerboard.
16. The corrugated board of claim 13 , wherein the water-based coating of both the first and second linerboard comprise a pigment.
17. The corrugated board of claim 13 , wherein the corrugated board is repulpable.
18. The corrugated board of claim 13 , wherein the water-based coating of the first linerboard is comprised of two layers.
19. The corrugated board of claim 18 , wherein the water-based coating of the second linerboard is comprised of two layers.
20. The corrugated board of claim 13 , wherein the corrugated paper medium is impregnated with a hydrophobic material.
21. A corrugated board, comprising:
a first linerboard having a first side, a second side, and a thickness defined by a distance between the first side and the second side, wherein the thickness of the first linerboard is corrugated, wherein the first side comprises a moisture-repellant layer that is substantially free of wax, and wherein a hydrophobic material is impregnated into the thickness of the first linerboard;
a corrugated paper medium; and
a second linerboard having a first side, a second side, and a thickness defined by a distance between the first side and the second side, wherein the thickness of the second linerboard is corrugated.
22. The corrugated board of claim 21 , wherein the first side of the second linerboard comprises a moisture-repellant layer; and a second hydrophobic material is impregnated into the thickness of the second linerboard.
23. The corrugated board of claim 21 , wherein the moisture-repellant layer of the first linerboard comprises an extruded polymeric film.
24. A method of making a corrugated linerboard comprising:
supplying a web of paperboard having a first side, a second side, and a thickness defined by a distance between the first side and the second side, wherein the thickness of the paperboard is corrugated;
impregnating the paperboard from the first side with a hydrophobic material such that the hydrophobic material penetrates a portion of the thickness to form a partially impregnated paperboard; and
coating the partially impregnated paperboard with a water-based coating on the second side.