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US 9,586,427 B2Granted
Lamination of AOM
AssigneeTetra Laval Holdings & Finance S.A.
InventorsAnthony Jarvis, Chris Wyres, Ladislav Hurdalek, Marcus Rehberger
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Abstract
A substrate coated with a markable ink formulation, comprising AOM. Further, the substrate is covered by a thermoplastic polymer layer, such that the ink formulation is situated between the substrate and the thermoplastic polymer layer and/or in the thermoplastic polymer layer.
Claims25
A method for marking a coated substrate coated with an ink formulation having a salt of a transition metal oxyanion, the method comprising:
- irradiating parts of the coated substrate that are covered by a thermoplastic polymer layer where a marking is intended, in order to generate a marking,
- wherein the coated substrate is covered by a thermoplastic polymer layer comprising a polyolefin having a thickness from 10 to 60 μm, by melt extrusion at a temperature ranging from 200 to 340° C., wherein the ink formulation is situated between the substrate and the thermoplastic polymer layer.
A method of making a substrate configured to have a marking, the method comprising:
- coating the substrate with an ink formulation comprising a salt of a transition metal oxyanion to form a coated substrate;
- and
- covering the coated substrate with a thermoplastic polymer layer, having a thickness ranging from 10 to 60 μm, by melt extrusion at a temperature ranging from 200 to 340° C., wherein the ink formulation is situated between the substrate and the thermoplastic polymer layer,
- wherein at least a portion of the coated substrate is capable of being irradiated to generate the marking.
1 more element
Dependencies are inferred from the claim text.