High barrier, heat-sealable roll or pouch stock

Abstract

A heat-sealable roll or pouch stock laminated barrier material is disclosed and comprises: a compostable first layer; a compostable, heat-sealable second layer; and a metallized compostable film disposed between the first and second layers. The first layer can be selected from: (i) compostable film; and (ii) a coating layer and a paper layer, the paper layer being disposed between the coating layer and the metallized compostable film. The first layer can be secured to the metallized compostable film with an adherent selected from adhesive and extrudate. The second layer can be selected from a hermetically-sealable film and an extrudate. When present, the hermetically-sealable film is secured to the metallized compostable film with an adherent selected from adhesive and extrudate.

Dependencies are inferred from the claim text.