公开(公告)号：US20200086604A1

公开(公告)日：2020-03-19

申请号：US16604489

申请日：2018-04-11

Applicant: Stora Enso OYJ

Inventor： Cecilia Land Hensdal ,  Adrianna Svensson ,  Liv Bergqvist ,  Amy Tran Carlström ,  Lars Axrup

IPC: B32B5/06 ,  B32B23/04 ,  B32B23/08 ,  B32B23/06 ,  B32B27/32 ,  B32B27/36 ,  B32B27/30

Abstract: The present invention relates to a method for manufacturing at least one layer of a film wherein the method comprises the steps of; providing a first suspension comprising microfibrillated cellulose, providing a second suspension comprising microfibrillated dialdehyde cellulose, mixing the first suspension with the second suspension to form a mixture, applying said mixture to a substrate to form a fibrous web and drying said web to form at least one layer of said film. The present invention further relates to a film comprising said at least one layer.

公开(公告)号：US11162222B2

公开(公告)日：2021-11-02

申请号：US16604489

申请日：2018-04-11

Applicant: Stora Enso OYJ

Inventor： Cecilia Land Hensdal ,  Adrianna Svensson ,  Liv Bergqvist ,  Amy Tran Carlström ,  Lars Axrup

IPC: B32B5/06 ,  B32B23/06 ,  B32B23/08 ,  B32B27/32 ,  B32B27/36 ,  B32B27/34 ,  B32B27/08 ,  B32B27/10 ,  C08B15/02 ,  B82Y30/00 ,  C08L1/02 ,  C08J5/18 ,  D21H19/34 ,  D21H27/10 ,  D21H11/18 ,  D21H27/30 ,  D21H11/20 ,  B32B23/04 ,  B32B27/30 ,  C08J7/048 ,  C08J7/052

Abstract: The present invention relates to a method for manufacturing at least one layer of a film wherein the method comprises the steps of; providing a first suspension comprising microfibrillated cellulose, providing a second suspension comprising microfibrillated dialdehyde cellulose, mixing the first suspension with the second suspension to form a mixture, applying said mixture to a substrate to form a fibrous web and drying said web to form at least one layer of said film. The present invention further relates to a film comprising said at least one layer.