Patent ID: 11952718
Assignee: STORA ENSO OYJ
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D | IPC D

Claim 0:
1. A linerboard comprising:
at least one base ply, a top ply, and an intermediate layer applied in-between the at least one base ply and said top ply, wherein the at least one base ply and the top ply are paperboard plies comprising at least 50 wt % cellulose fibers calculated on a total weight of said ply
wherein the intermediate layer comprises microfibrillated cellulose (MFC) in an amount of 30-90 wt % and pigment in an amount of 10-70 wt % as calculated on a total weight of said intermediate layer,
wherein the pigment comprises precipitated calcium carbonate (PCC),
wherein said pigment comprises pigment particles wherein 85% by volume of said pigment particles have a diameter of less than 5 μm.