Disclosed are recyclable flexible package and a method of recycling such packages. The flexible package includes a hollow body defining an interior chamber for holding an oxygen sensitive product. The body is formed of a laminated film formed of two layers of a single polymer material, e.g., polyethylene, and at least one interposed barrier layer, e.g., polyvinyl alcohol, that is resistant to the passage of oxygen therethrough and which is water-soluble. The single polymer constitutes at least 95% by weight of the laminated film, whereupon the package is suitable for recycling without requiring separation of the materials thereof by shredding the laminated film and subjecting those pieces to an aqueous wash to dissolve the barrier layer.

A laminated film includes, in the following order, a predetermined layer, an adhesive layer containing an adhesive component and polyvalent metal particles or polyvalent metal compound particles mixed with the adhesive component, and a sealant layer laminated, in which a ratio of a maximum diameter of aggregates formed of the polyvalent metal particles or the polyvalent metal compound particles to a minimum diameter of the aggregates is 14.0 times or less.

A laminated film includes, in the following order, a predetermined layer, an adhesive layer containing an adhesive component and polyvalent metal particles or polyvalent metal compound particles mixed with the adhesive component, and a sealant layer laminated, in which a ratio of a maximum diameter of aggregates formed of the polyvalent metal particles or the polyvalent metal compound particles to a minimum diameter of the aggregates is 14.0 times or less.

The present application is directed to a packaging bag including a transparent body having a first film composition; and a tearable or peelable header comprising a second film composition, wherein the first film composition and the second film composition are different, wherein a component of the first film composition is bonded to the second film composition.

The present invention relates to a barrier paper comprising at least a base paper, at least one coating colour layer S1 applied directly or indirectly to the base paper, at least one barrier layer B1 applied directly or indirectly to the coating colour layer S1, a coating B2 applied directly or indirectly to the barrier layer B1.

A package (1) includes a bag (20) and a sheet laminate (10) packaged in the bag (20). The sheet laminate (10) includes a first fiber sheet (11) including a first fiber including a PET resin having a melting point higher than 230° C., and a second sheet (12) including a thermoplastic resin having a melting point of 230° C. or lower. The sheet laminate (10) includes a joined portion (30) in which the first fiber sheet (11) and the second sheet (12) are joined adjacently to each other. In the joined portion (30), constituent resin of the first fiber sheet (11) is embedded in the thermoplastic resin constituting the second sheet (12). The present invention also provides a production method of the package.

A package (1) includes a bag (20) and a sheet laminate (10) packaged in the bag (20). The sheet laminate (10) includes a first fiber sheet (11) including a first fiber including a PET resin having a melting point higher than 230° C., and a second sheet (12) including a thermoplastic resin having a melting point of 230° C. or lower. The sheet laminate (10) includes a joined portion (30) in which the first fiber sheet (11) and the second sheet (12) are joined adjacently to each other. In the joined portion (30), constituent resin of the first fiber sheet (11) is embedded in the thermoplastic resin constituting the second sheet (12). The present invention also provides a production method of the package.

A packaging unit comprises at least one first piece of packaging material, wherein the first piece of packaging material has a coated paper, which has a base paper and at least three coatings applied one on top of the other on the base paper. The at least three coatings have in a sequence in which they are given, starting from the base paper, a first barrier layer, comprising at least one hydrophobic polymer, a second barrier layer, comprising at least one hydrophilic polymer, and a third barrier layer, comprising at least one hydrophobic polymer. Furthermore, the packaging is closed in a gas-tight manner.

A packaging unit comprises at least one first piece of packaging material, wherein the first piece of packaging material has a coated paper, which has a base paper and at least three coatings applied one on top of the other on the base paper. The at least three coatings have in a sequence in which they are given, starting from the base paper, a first barrier layer, comprising at least one hydrophobic polymer, a second barrier layer, comprising at least one hydrophilic polymer, and a third barrier layer, comprising at least one hydrophobic polymer. Furthermore, the packaging is closed in a gas-tight manner.

A multi-layer film and a film package made from the film are described herein that provide resealing capabilities by utilizing a tacky layer within the multi-layer film. The multi-layer film can include an outer film portion including the embedded tacky layer and an inner film portion. An opening feature formed in the multi-layer film includes a flap configured to be manipulated by a user to create an opening through the multi-layer film. The inner film portion can include a release layer configured specifically to interact with the tacky layer to provide a desired separation peel force and resealing functionalities. The outer film portion can include an outer film layer disposed on an opposite side of the tacky layer from the release layer that is configured to permanently adhere to the tacky layer.