Container closure with a multi-layer oxygen barrier liner

Details Container closure with a multi-layer oxygen barrier liner Container closure with a multi-layer oxygen barrier liner

B - Operations, Transporting

32

B

B32B 1/08 (2006.01) B31B 1/60 (2006.01) B32B 27/08 (2006.01) B65D 41/00 (2006.01) B65D 41/04 (2006.01)

Patent

CA 2501656

A container closure (10) with a multiple layer liner (20). The liner comprises a nylon gas transmission barrier (26) and a non-nylon layer (22) bonded by an adhesive layer (24) . The nylon gas transmission barrier (26) may contain an additional passive gas transmission component comprising an in-situ polymerized inorganic clay. An additional active gas transmission component comprising a chemically reactive scavenger may be incorporated into at least one layer of the multiple layer liner (20). Materials of the liner are selected for their process conditions and resulting resistance to degradation.

Fermeture (10) pour contenant comprenant un revêtement multicouche (20). Le revêtement comporte une couche en nylon perméable au gaz (26) et une couche sans nylon (22) soudées par une couche adhésive (24). La couche en nylon perméable au gaz (26) peut contenir un constituant additionnel à perméabilité passive au gaz comprenant une argile inorganique polymérisée in situ. Un constituant additionnel à perméabilité active au gaz comprenant un capteur chimiquement réactif peut être incorporé dans au moins une couche du revêtement multicouche (20). Les matériaux du revêtement sont sélectionnés pour leurs conditions de traitement et pour leur résistance résultante à la dégradation.

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