Sealed containers and sealing compositions for them

Details Sealed containers and sealing compositions for them Sealed containers and sealing compositions for them

C - Chemistry, Metallurgy

09

K

18/108, 206/19,

C09K 3/10 (2006.01) B65D 81/24 (2006.01) B65D 81/26 (2006.01) C08K 5/00 (2006.01)

Patent

CA 1334881

A sealing composition for a container closure comprises a polymeric matrix material and is modified by the inclusion therein of an oxygen scavenger. The composition can be in fluid or meltable form ready for application to a closure or it can be present as a deposit on the closure, for instance a gasket around the closure. Preferably the scavenging properties of the deposit are activated by pasteurising or sterilising the deposit when sealing a container with the closure. The invention is of particular value when the closure is a metal cap for a beer bottle.

590554

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