Method of producing a building panel
A method of producing a floor panel ( 1 ), including providing a carrier ( 3 ) including a thermoplastic material, applying a primer comprising at least one salt, preferably a metal salt, on a first surface of the carrier ( 3 ), printing by means of digital printing a first print ( 10 ) on said first surface of the carrier ( 3 ) with an aqueous pigment ink composition, and applying a protective layer ( 4 ) on said first surface of the carrier ( 3 ) and applying the carrier ( 3 ) on a core ( 2 ) and pressing by applying heat and pressure the protective layer ( 4 ), the carrier ( 3 ) and the core ( 2 ) together to form a floor panel ( 1 ). Also, a method for forming a decorative substrate.
1. Method of producing a building panel, comprising
providing a carrier comprising a thermoplastic material,
applying a primer comprising at least one salt on a first surface of the carrier,
printing by means of digital printing a first print on said first surface of the carrier with an aqueous pigment ink composition, and
applying a protective layer on said first surface of the carrier and applying the carrier on a core, and
pressing, by applying heat and pressure, the protective layer, the carrier, and the core together to form a building panel,
wherein the primer possesses a salt concentration of at least 50 % of a saturation point of the salt.
2. Method according to claim 1 , wherein the primer is an aqueous solution comprising said salt.
3. Method according to claim 1 , wherein the primer further comprises a wetting agent.
4. Method according to claim 1 , wherein the primer is applied by means of digital printing.
5. Method according to claim 1 , further comprising drying the primer applied on the first surface of the carrier prior to printing said first print.
6. Method according to claim 1 , wherein the aqueous pigment ink composition is a heat activated curing ink.
7. Method according to claim 1 , wherein the aqueous pigment ink composition comprises a binder, water and a pigment.
8. Method according to claim 1 , further comprising applying heat to the print.
9. Method according to claim 1 , wherein the printing is made by an inkjet printer.
10. Method according to claim 1 , wherein the thermoplastic material of the carrier is polyvinyl chloride (PVC), polyester, polypropylene (PP), polyethylene (PE), polystyrene (PS), polyurethane (PUR), or polyethylene terephthalate (PET).
11. Method according to claim 1 , wherein the protective layer comprises a thermoplastic material.
12. Method for forming a decorative substrate, comprising
providing a carrier comprising a thermoplastic material,
applying a primer comprising at least one salt on a first surface of the carrier,
printing by means of digital printing a first print on said first surface of the carrier with an aqueous pigment ink composition,
applying a protective layer comprising a thermoplastic material on the first surface of the carrier,
pressing, by applying heat and pressure, the protective layer and the carrier together to form a decorative substrate,
wherein the primer possesses a salt concentration of at least 50% of a saturation point of the salt.
13. Method according to claim 12 , wherein the primer is an aqueous solution comprising said salt.
14. Method according to claim 12 , further comprising a wetting agent.
15. Method according to claim 12 , wherein the primer is applied by means of digital printing.
16. Method according to claim 12 , further comprising drying the primer applied on the first surface of the carrier prior to printing said first print.
17. Method according to claim 12 , wherein the aqueous pigment ink composition is a heat activated curing ink.
18. Method according to claim 12 , wherein the aqueous pigment ink composition comprises a binder, water and a pigment.
19. Method according to claim 12 , further comprising applying heat to the print.
20. Method according to claim 12 , wherein the printing is made by an inkjet printer.
21. Method according to claim 12 , wherein thermoplastic material of the carrier is polyvinyl chloride (PVC), polyester, polypropylene (PP), polyethylene (PE), polystyrene (PS), polyurethane (PUR), or polyethylene terephthalate (PET).
22. Method according to claim 12 , wherein the thermoplastic material of the protective layer is polyvinyl chloride (PVC), polyester, polypropylene (PP), polyethylene (PE), polystyrene (PS), polyurethane (PUR), or polyethylene terephthalate (PET).
23. Method of producing a building panel, comprising
providing a carrier comprising a thermoplastic material,
applying a primer comprising at least one salt on a first surface of the carrier,
printing by means of digital printing a first print on said first surface of the carrier with an aqueous pigment ink composition, and
applying a protective layer on said first surface of the carrier and applying the carrier on a core, and
pressing, by applying heat and pressure, the protective layer, the carrier, and the core together to form a building panel,
wherein the salt is applied to the first surface of the carrier in solid form.
24. The method according to claim 1 , wherein the primer is applied on the first surface of the carrier with a contact angle of less than 50°.
25. The method according to claim 1 , wherein the salt is a monovalent metallic salt or a polyvalent metallic salt.
26. The method according to claim 1 , wherein the salt is applied onto the first surface of the carrier by a scattering device.
27. Method for forming a decorative substrate, comprising
providing a carrier comprising a thermoplastic material,
applying a primer comprising at least one salt on a first surface of the carrier,
printing by means of digital printing a first print on said first surface of the carrier with an aqueous pigment ink composition,
applying a protective layer comprising a thermoplastic material on the first surface of the carrier,
pressing, by applying heat and pressure, the protective layer and the carrier together to form a decorative substrate,
wherein the salt is applied to the first surface of the carrier in solid form.
28. The method according to claim 12 , wherein the primer is applied on the first surface of the carrier with a contact angle of less than 50°.
29. The method according to claim 12 , wherein the salt is a monovalent metallic salt or a polyvalent metallic salt.
30. The method according to claim 12 , wherein the salt is applied onto the first surface of the carrier by a scattering device.