Packaging material and packaging container
AssigneeTetra Laval Holdings & Finance S.A.
InventorsUlf Nyman, Cristian Neagu, Mats Aldén, Katarina Jonasson
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Abstract
Described herein are laminated packaging materials comprising foamed cellulose, their use in manufacturing packaging containers, for use in packaging of food products.
Claims7
A packaging material for a packaging container for liquid or semi-liquid food, the packaging material comprising a decor layer, a bulk layer on one side of the decor layer, a barrier layer on a side of the bulk layer opposite the decor layer, and a heat-sealable layer on a side of the barrier layer opposite the bulk layer so that the bulk layer is positioned between the decor layer and the barrier layer while the barrier layer is positioned between the bulk layer and the heat-sealable layer, the bulk layer having a density of at least 100 kg/m3 and less than 700 kg/m3 and being comprised of crosslinked foamed fibrous cellulose of at least 25% thickness of the bulk layer.
Dependencies are inferred from the claim text.