| abstract |
It is an object of the present invention to provide a security sticker and a method for producing the same, which are difficult to forge, cannot be reused when peeled off, and the printed image is stable over a long period of time. The security sticker of the present invention contains a surface resin layer A (1) having a low affinity with a sublimable dye and allowing the dye to pass therethrough, and a low molecular weight compound having a molecular weight of 1300 or less and 0% by weight to 20% by weight, In addition, the printing layer B (2), the self-destructive film layer C1 (3), and the pressure-sensitive adhesive layer D1 (4) having an affinity with the dye and having the image formed in the thickness direction of the layer by the dye are in this order. In addition, the self-destructive film layer C1 includes a dye migration prevention resin layer E and a self-destructive layer F for preventing the migration of the dyeing agent, and the dye migration prevention resin layer E contains a specific vinyl resin as a main component. It is a security sticker which is a resin layer or a specific biaxially oriented film. |