| 摘要 |
The present invention is related to a peelable film to be sealed on a polyester-based substrate comprising a coextraded multilayer structure comprising:—a rupturable polyester-based sealant layer;—an adhesive layer in contact with said rupturable layer, comprising a polymer selected from the group consisting of ionomers, maleic anhydride grafted polyolefin, EVA, EBA, EMA and EAA;—a gas-barrier layer in contact with said adhesive layer, comprising a gas-barrier polymer selected from the group consisting of EVOH and polyamide, characterised in that the average peel strength between the adhesive layer and the rupturable sealant layer is lower than 15 N/15 mm, preferably lower than 13 N/15 mm as measured in a 180° peel geometry. |
