Heat-sealable paperboard
AssigneeStora Enso OYJ
InventorsÅsa Nyflött, Chris Bonnerup, Magnus Ekberg
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Abstract
The invention relates to a heat-sealable paperboard comprising a paperboard substrate (1) comprising a first side and a second side, a first dispersion coating layer (2) on the first side of the paperboard substrate (1), and a second dispersion coating layer (3) on the first dispersion coating layer (2), wherein the first dispersion coating layer (2) comprises a latex and pigment and the second dispersion coating layer (3) comprises a polyolefin.
Claims17
A heat-sealable paperboard comprising:
- a paperboard substrate comprising a first side and a second side,
- a first dispersion coating layer on the first side of the paperboard substrate, and
- a second dispersion coating layer on the first dispersion coating layer,
- wherein the first dispersion coating layer comprises a latex and pigment, and
- wherein the second dispersion coating layer comprises a polyolefin.
The paperboard according to claim 11, wherein the third dispersion coating layer further comprises a latex and pigments, together being present in a range from ≥0 wt % to ≤50 wt %, based on the dry solid content of the layer.
A method of manufacturing a heat-sealable paperboard, the method comprising the steps of:
- providing a paperboard substrate comprising a first side and a second side,
- applying a first dispersion coating layer on the first side of the paperboard substrate, and,
- applying a second dispersion coating layer on the first dispersion coating layer wherein the first dispersion coating layer comprises a latex and pigment, and
- wherein the second dispersion coating layer comprises a polyolefin.
Dependencies are inferred from the claim text.