Patent classifications
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
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
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
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
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
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
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.