Security document having enhanced foil durability
First Claim
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1. A security document, comprising:
- a base sheet;
a colored coating on said base sheet;
a foil laminate on at least a portion of the colored coating, wherein the foil laminate comprises an adhesive layer, a foil sheet, and a lacquer layer, and wherein the adhesive layer is positioned on the colored coating, and wherein the foil sheet is positioned between the adhesive layer and the lacquer layer; and
an outer lacquer coating over the colored coating such that the foil laminate is embedded between the colored coating and the outer lacquer coating, wherein the outer lacquer coating comprises a polymeric resin.
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Abstract
A security document, along with its methods of formation, is provided. The security document may include a base sheet, a colored coating on the base sheet, a foil laminate on at least a portion of the colored coating, and an outer lacquer coating over the colored coating such that the foil laminate is embedded between the colored coating and the outer lacquer coating. The outer lacquer coating may include a polymeric resin, and may also include a crosslinking agent and a wetting agent.
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Citations
18 Claims
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1. A security document, comprising:
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a base sheet; a colored coating on said base sheet; a foil laminate on at least a portion of the colored coating, wherein the foil laminate comprises an adhesive layer, a foil sheet, and a lacquer layer, and wherein the adhesive layer is positioned on the colored coating, and wherein the foil sheet is positioned between the adhesive layer and the lacquer layer; and an outer lacquer coating over the colored coating such that the foil laminate is embedded between the colored coating and the outer lacquer coating, wherein the outer lacquer coating comprises a polymeric resin. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of forming a security document, the method comprising:
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forming an outer lacquer coating over a foil laminate adhered to a colored coating of a base sheet such that the foil laminate is embedded between the colored coating and the outer lacquer coating, wherein the foil laminate comprises an adhesive layer, a foil sheet, and a lacquer layer, and wherein the adhesive layer is positioned on the colored coating, and wherein the foil sheet is positioned between the adhesive layer and the lacquer layer. - View Dependent Claims (17)
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18. A method of forming a security document, the method comprising:
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embedding a foil laminate between a base sheet and an outer lacquer coating, wherein the foil laminate comprises an adhesive layer, a foil sheet, and a lacquer layer, and wherein the base sheet comprises a colored coating on which the foil laminate is adhered and the outer lacquer coating is applied over the foil laminate and the colored coating.
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Specification