| 摘要 |
<p>A security sticker whose forgery is difficult, which security sticker cannot be reused once peeling is made and ensures long-term stability of printed images; and a process for producing the same. There is provided a security sticker comprising, arranged in sequence, surface resin layer A (1) having low affinity with sublimable dyeing agents and permitting passage of the dyeing agents; printed layer B (2) containing 0 to 20 wt.% of low-molecular-weight compound of 1300 or less MW, having affinity with the dyeing agents and having images formed by the dyeing agents in the direction of the thickness of the layer; self-destructive film layer C1 (3); and adhesive layer D1 (4), wherein the self-destructive film layer C1 includes self-destructive layer F and dye migration prevention resin layer E capable of preventing the migration of the above dyeing agents, this dye migration prevention resin layer E being a resin layer composed mainly of a specified vinyl resin or a specified biaxially oriented film.</p> |
