| abstract |
The present invention discloses a package barrier stack capable of encapsulating articles that are sensitive to moisture and/or oxygen and comprising a multilayer film, wherein the multilayer film comprises: - one or more barrier layers having low moisture and/or oxygen permeability, And - one or more sealing layers configured to contact a surface of one of the at least one barrier layer, thereby covering defects present in the barrier layer, wherein the one or more sealing layers comprise a plurality of trees Body encapsulated nanoparticles that are reactive because they are capable of interacting with moisture and/or oxygen to impede the passage of moisture and/or oxygen through the defects present in the barrier layer. penetration. |