| 摘要 |
The invention concerns a composition for fiduciary use. It is remarkable in that it comprises a printing matrix that is liquid or pasty before drying, preferably colourless, and a reversible mecanoluminescent compound having the following chemical formula A: Formula (A), in which: - Ar represents a monosubstituted polycyclic aromatic hydrocarbon resulting from the single or multiple fusion of n benzene rings, n being between 4 and 10, - n1 is between 0 and 10, n2 is between 0 and 10, - n1 and n2 not being simultaneously equal to 0, - Y is an organic or heteroorganic group, chosen in particular from the cyano, trifluoromethyl, formyl, ester, nitro, halogen, sulfoxide, sulfonyl, tricyanoethenyl, ammonium and phosphonium groups. |
