| 摘要 |
FIELD: chemistry.SUBSTANCE: invention discloses a security document, in particular fiduciary document, comprising internally or on surface thereof a compound with reversible mechanoluminescence properties corresponding to following formula:in which n is an integer 1-4.EFFECT: disclosed invention provides additional enhancement of degree of security of documents, including fluorescent dyes, and preservation of ease of identification thereof.12 cl, 5 dwg |
