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AssigneeStora Enso OYJ
InventorsOtto Nylén, Anni Karppinen, Kaj Backfolk
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The present invention relates to a method for manufacturing a paper or paperboard based packaging laminate, said method comprising: a) providing a paper or paperboard substrate, b) providing a microfibrillated cellulose (MFC) film comprising at least 50 wt % of MFC based on the dry weight of the MFC film, and c) laminating a surface of the paper or paperboard substrate to a surface of the MFC film by a melt adhesive process using a melt adhesive comprising at least 50 wt % of a water soluble thermoplastic polymer based on the dry weight of the melt adhesive, wherein the melt adhesive is applied to the surface of the paper or paperboard substrate and/or to the surface of the MFC film in a low solvent or solvent free form.
A method for manufacturing a paper or paperboard based packaging laminate, said method comprising:
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A paper or paperboard based packaging laminate comprising:
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Dependencies are inferred from the claim text.