| 摘要 |
A security imprint (4) is interposed between a protective film (2) of synthetic material and a surface (8) of an object (9) to be protected, onto which surface the film is glued by means of an adhesive (3). The security imprint (4) includes an ink composition having at least one pigment, a bonding agent, and a soluble agent. The soluble agent dissolves in a solvent that is intended to release the adhesive (3) and produces a visible stain. |
