HEAT-SEALABLE BIODEGRADABLE PACKAGING MATERIAL, ITS MANUFACTURING METHOD AND A PRODUT PACKAGE MADE THEREFROM AND A PRODUCT PACKAGE MADE THEREFROM
The invention relates to a heat-sealable biodegradable packaging material, which comprises a fiber substrate 1 as well as one or more polymeric coating layers extruded thereon. According to the invention, the material includes a polymeric coating layer 2, which contains not less than 90 weight-% of polylactide and, as an additive, not more than 10 weight-% of acrylic copolymer blended therein for improving the adhesion and/or heat sealing ability of the layer. The invention encompasses also a method for manufacturing packaging material, as well as a product package obtained from the material.
Publication date: 17/02/2021
Number: EP3778421A1 (A1)
Applicant: STORA ENSO OYJ?[FI]
Inventor: NEVALAINEN KIMMO?[FI]