D21H19/28

BIODEGRADABLE CONTAINER AND PLATE MATERIAL AND METHOD FOR THE MANUFACTURE THEREOF

The invention pertains to a biodegradable container or plate material comprising a layer of cellulose-based material provided with a composite surface layer comprising cellulose-based material and a polyester derived from an aliphatic polyalcohol with 2-15 carbon atoms and an aliphatic polycarboxylic acid with 3 to 15 carbon atoms, wherein the polycarboxylic acid comprises at least 50 wt. % of tricarboxylic acid. The biodegradable container or plate material according to the invention shows one or more, in particular a combination of, the following properties: light weight, high (wet) strength, a desirable degree of flexibility, good (temporary) resistance against water, oil, and fat, and attractive visual and tactile characteristics.

POLYMER COATED PAPER AND PAPERBOARD
20210317612 · 2021-10-14 · ·

The present invention relates to paper or paperboard comprising at least one coating layer formed by extrusion coating of a PET (polyethylene terephthalate) resin, characterized in that the PET resin comprises at least 50% by weight of a PET copolymer having an intrinsic viscosity of less than 0.7 dl/g, preferably less than 0.65 dl/g, as determined according to ISO 1628.

POLYMER COATED PAPER AND PAPERBOARD
20210317612 · 2021-10-14 · ·

The present invention relates to paper or paperboard comprising at least one coating layer formed by extrusion coating of a PET (polyethylene terephthalate) resin, characterized in that the PET resin comprises at least 50% by weight of a PET copolymer having an intrinsic viscosity of less than 0.7 dl/g, preferably less than 0.65 dl/g, as determined according to ISO 1628.

Packaging sheet for packaging of cheese, and associated packaging and manufacturing methods
11142870 · 2021-10-12 · ·

Disclosed is a packaging sheet for packaging of cheese, in particular white moulded soft cheese. The packaging sheet comprises: an inner surface and an outer surface of the packaging sheet, said inner surface being configured for facing the cheese in a packaged use position of the packaging sheet; a paper layer with a first surface and a second surface; a coloured layer provided on a first surface of the paper layer, an outer surface of the coloured layer establishing said outer surface of the packaging sheet; and a polymer layer with a water vapour transmission rate of at least 300 g/m2/24 hours at 38° C. and 90% atmospheric humidity. The polymer layer being coated on the second surface of the paper layer with a first surface of the polymer layer facing the paper layer and a second surface of the polymer layer establishing said inner surface of the packaging sheet.

Packaging sheet for packaging of cheese, and associated packaging and manufacturing methods
11142870 · 2021-10-12 · ·

Disclosed is a packaging sheet for packaging of cheese, in particular white moulded soft cheese. The packaging sheet comprises: an inner surface and an outer surface of the packaging sheet, said inner surface being configured for facing the cheese in a packaged use position of the packaging sheet; a paper layer with a first surface and a second surface; a coloured layer provided on a first surface of the paper layer, an outer surface of the coloured layer establishing said outer surface of the packaging sheet; and a polymer layer with a water vapour transmission rate of at least 300 g/m2/24 hours at 38° C. and 90% atmospheric humidity. The polymer layer being coated on the second surface of the paper layer with a first surface of the polymer layer facing the paper layer and a second surface of the polymer layer establishing said inner surface of the packaging sheet.

BIODEGRADABLE AND COMPOSTABLE FOOD PACKAGING UNIT FROM A MOULDED PULP MATERIAL, AND METHOD FOR MANUFACTURING SUCH FOOD PACKAGING UNIT
20210163198 · 2021-06-03 · ·

The present invention relates to a biodegradable food packaging unit from a moulded pulp material and a method for manufacturing such biodegradable packaging unit. The packaging according to the invention comprises a food receiving or carrying compartment, wherein the moulded pulp material comprises an amount of a biodegradable aliphatic polyester, wherein the food packaging unit is a compostable food packaging unit. In a preferred embodiment the amount of biodegradable aliphatic polyester is in the range of 0.5-20 wt. %, more preferably in the range of 1-15 wt. %.

BIODEGRADABLE AND COMPOSTABLE FOOD PACKAGING UNIT FROM A MOULDED PULP MATERIAL, AND METHOD FOR MANUFACTURING SUCH FOOD PACKAGING UNIT
20210163198 · 2021-06-03 · ·

The present invention relates to a biodegradable food packaging unit from a moulded pulp material and a method for manufacturing such biodegradable packaging unit. The packaging according to the invention comprises a food receiving or carrying compartment, wherein the moulded pulp material comprises an amount of a biodegradable aliphatic polyester, wherein the food packaging unit is a compostable food packaging unit. In a preferred embodiment the amount of biodegradable aliphatic polyester is in the range of 0.5-20 wt. %, more preferably in the range of 1-15 wt. %.

COATED PAPERBOARD AND A TRAY MADE THEREFROM

A coated paperboard including a single-ply paperboard substrate having a first major side and a second major side, and having an internal sizing agent incorporated therein, and a barrier coating on the first major side of the single-ply paperboard substrate, the barrier coating having an elastic modulus of at least 1.5 GPa.

COATED PAPERBOARD AND A TRAY MADE THEREFROM

A coated paperboard including a single-ply paperboard substrate having a first major side and a second major side, and having an internal sizing agent incorporated therein, and a barrier coating on the first major side of the single-ply paperboard substrate, the barrier coating having an elastic modulus of at least 1.5 GPa.

REINFORCED PAPERBOARD TRAY, METHOD FOR MANUFACTURING A REINFORCED PAPERBOARD TRAY, AND METHOD FOR USING A PAPERBOARD TRAY

A reinforced paperboard tray includes a coated paperboard in the form of a bottom wall, a side wall extending upwardly around the bottom wall, and a curved flange extending outwardly around the side wall. The coated paperboard includes a single-ply paperboard substrate having a first major side and a second major side, the first major side corresponding to an upper side of the bottom wall, and a barrier coating on the first major side of the single-ply paperboard substrate. A paperboard reinforcement is attached to the curved flange.