公开(公告)号：SE1851019A1

公开(公告)日：2020-02-28

申请号：SE1851019

申请日：2018-08-27

Applicant: STORA ENSO OYJ

Inventor： SVENSSON ADRIANNA ,  LIIMATAINEN HENRIKKI ,  SIRVIÖ JUHO ,  LAKOVAARA MATIAS ,  HANSSON SUSANNE

IPC: D21H11/18 ,  C08B15/02 ,  C08J5/18 ,  C08L1/02

Abstract: The present invention relates to methods for hydrophobic modification of nanocellulose films by exposing the film to an ionic liquid, as well as the hydrophobic modified nanocellulose films themselves so as to improve the barrier properties of said films.

公开(公告)号：SE1851018A1

公开(公告)日：2020-02-28

申请号：SE1851018

申请日：2018-08-27

Applicant: STORA ENSO OYJ

Inventor： SVENSSON ADRIANNA ,  LIIMATAINEN HENRIKKI ,  SIRVIÖ JUHO ,  LAKOVAARA MATIAS ,  HANSSON SUSANNE

IPC: D21H11/18 ,  C08B15/02 ,  C08B15/08 ,  C08J5/18 ,  C08L1/02

Abstract: The present invention relates to a method for treating a film comprising nanocellulose with an aqueous solution comprising tetraalkylammonium hydroxide, such as tetraethylammonium hydroxide and/or tetralkylammonium chloride, such as tetraethylammonium chloride or tetrabuthylammonium chloride to partly dissolve the film and to improve the barrier properties of the film. The invention also relates to a film produced according to the method and to a package comprising said film.