Multilayer film comprising microfibrillated cellulose and a method of manufacturing a multilayer film

    公开(公告)号:SE542054C2

    公开(公告)日:2020-02-18

    申请号:SE1751637

    申请日:2017-12-22

    Applicant: STORA ENSO OYJ

    Inventor: KNÖÖS ISABEL

    Abstract: The invention relates to a multilayer, oxygen barrier film comprising:- a first layer (1) comprising at least 80 % by weight of microfibrillated cellulose (MFC) as calculated on the total solid content of said layer,- a second layer (2) comprising a polymer and optionally pigments, and - a third layer (3) comprising at least 40 %, preferably at least 50 %, by weight of chemically modified microfibrillated cellulose as calculated on the total solid content of said layer.The multilayer film of the invention has shown to provide excellent gas barrier properties, especially oxygen barrier properties, also at high humidity and also good strength properties.

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