PACKAGING MATERIAL AND PACKAGING CONTAINER
First Claim
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1. A packaging material for a packaging container for liquid or semi-liquid food, comprising a decor layer which on one side of the decor layer has a bulk layer having a density of less than 700 kg/m3 and foamed cellulose of at least 25% thickness of the bulk layer, which on the side opposite the decor layer has a barrier layer, which on the side opposite the bulk layer has a heat-sealable layer.
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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.
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Citations
24 Claims
- 1. A packaging material for a packaging container for liquid or semi-liquid food, comprising a decor layer which on one side of the decor layer has a bulk layer having a density of less than 700 kg/m3 and foamed cellulose of at least 25% thickness of the bulk layer, which on the side opposite the decor layer has a barrier layer, which on the side opposite the bulk layer has a heat-sealable layer.
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16. A method of providing a packaging material for a packaging container for liquid or semi-liquid food, the method comprising:
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providing a bulk layer having a density of less than 700 kg/m3 and comprising foamed cellulose; providing a polyolefin decor layer on one side of the bulk layer; providing a barrier layer on the side of the bulk layer opposite the decor layer; providing a heat-sealable layer on the barrier layer, on the side opposite the bulk layer; and the packaging material being produced by extrusion lamination and/or heat-pressure lamination. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24)
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Specification