Barrier properties for polymeric containers

Details Barrier properties for polymeric containers Barrier properties for polymeric containers

B - Operations, Transporting

65

D

B65D 25/14 (2006.01) B65D 23/08 (2006.01) C08J 7/04 (2006.01) C08J 7/06 (2006.01)

Patent

CA 2119740

The shelf life of polymeric containers may be economically extended by coating with a barrier material having less than half the permeability of the substrate polymer, the coating being applied to 30 to 75 percent of the container's area, with the proviso that the uncoated area has an average permeability of no more than 15 cc-mm per square meter per day per atmosphere.

La durée de vie de stockage de conteneurs en polymère pourrait être économiquement prolongée en appliquant une couche de matériau-barrière de moitié moins perméable que le polymère de substrat. L'enduit serait appliqué sur 30 à 75 % de la surface du conteneur, dans la mesure où la surface non protégée aurait une perméabilité moyenne ne dépassant pas 15 cc-mm par mètre carré, par jour, par atmosphère.

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