| 摘要 |
The present disclosure relates to the use of ink containing luminescent dyes for security applications. In one aspect, method of printing a security code on an article includes applying droplets of an ink composition with an ink jet printer to a surface of an article to print an encrypted code. The ink composition includes an organic solvent, a binder resin, and a luminescent dye. In another aspect, an ink jet ink composition includes an organic solvent; a solubilizing agent selected from cyclic ketones, heterocyclic amides, cyclic alcohols, and furans; a binder resin; and a luminescent dye. |
