Heat sealable coated paper product
AssigneeBillerud Aktiebolag (publ)
InventorsJohan A. Larsson, Wouter Prosper, Thomas Gillgren
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Abstract
The present disclosure relates to heat sealable coated paper product comprising a cellulosic fibrous substrate comprising a first and a second side, the first side comprising a single coating layer being applied in direct contact with the fibrous substrate, the coating layer comprises ethylene (meth)acrylic acid copolymer (EAA/EMAA) or ethylene-acrylic acid-methacrylic acid terpolymer (EAAMAA) or mixtures thereof, in an amount of at least 51% by weight based on the dry weight of the coating layer and a pigment being talc and/or calcium carbonate (CaCO3). The present disclosure furthermore relates to a method of producing the heat sealable coated paper product.
Claims20
A heat sealable coated paper product comprising a cellulosic fibrous substrate comprising a first and a second side, the first side comprising a single coating layer being applied in direct contact with the fibrous substrate, the coating layer comprising ethylene (meth)acrylic acid copolymer (EAA/EMAA) or ethylene-acrylic acid-methacrylic acid terpolymer (EAAMAA) or mixtures thereof, in an amount of at least 51% by weight, based on the dry weight of the coating layer, and a pigment being talc and/or calcium carbonate (CaCO3).
A method of producing a heat sealable coated paper product comprising the steps of:
- providing a fibrous substrate comprising a first and second side;
- and
- coating the first side of the fibrous substrate with a coating layer being applied in direct contact with the fibrous substrate, the coating layer comprises ethylene (meth)acrylic acid (EAA/EMAA) or ethylene-acrylic acid-methacrylic acid terpolymer (EAAMAA) or mixtures thereof, in an amount of at least 51% by dry weight of the coating layer and a pigment being talc and/or Calcium Carbonate (CaCO3), the coating layer being the single coating layer on the first side of the fibrous substrate.
Dependencies are inferred from the claim text.