Packing laminate for the manufacture of liquid-tight packing containers and use of such a laminate

Abstract From the Canadian patent

A packing laminate for the manufacture of packing containers for liquid contents, this laminate comprising an inner layer of fibrous material with outer layers and of liquid-tight material and a colour layer with the object of creating a decoration or similar identification marking on the finished container. The colour layer is hardened through electron irradiation and in order to protect the inner layer from the effect of this irradiation the laminate comprises moreover, a layer, applied between the inner layer and the colour-carrying plastic layer of a material capable of absorbing electrons during the irradiation.