公开(公告)号：US20220002948A1

公开(公告)日：2022-01-06

申请号：US17280407

申请日：2019-10-01

Applicant: Stora Enso OYJ

Inventor： Ville Ribu ,  Kimmo Nevalainen ,  Juuso Toriseva ,  Esa Suokas ,  Jurkka Kuusipalo

IPC: D21H19/82 ,  D21H19/22 ,  D21H23/46 ,  B32B27/08 ,  B32B27/10 ,  B32B27/32 ,  B32B1/02 ,  B32B7/02 ,  B32B37/15 ,  B65D3/06 ,  B65D65/42

Abstract: The present invention relates to a paper or paperboard comprising a polymeric coating, said polymeric coating comprising: a first coating layer attached to the paper or paperboard surface, said first coating layer comprising a blend of: a high density polyethylene (HDPE), medium density polyethylene (MDPE) or linear low density polyethylene (LLDPE), or a mixture thereof, and a low density polyethylene (LDPE); and a second coating layer attached to the first coating layer, said second coating layer consisting essentially of a low density polyethylene (LDPE); wherein the first and second coating layers have a combined grammage of less than 12 g/m2. The present invention relates to a method for manufacturing a polyethylene (PE) coated paper or paperboard substrate.