| 简介 |
PURPOSE : An UV curable and IR fluorescent typographic printing ink composition is provided to improve the imitation protecting effect of security features and printability. CONSTITUTION : The UV curable and IR fluorescent typographic printing ink composition comprises 40 to 50 wt% of an epoxy acrylate prepolymer; 15 to 25 wt% of an invisible rare earth metal complex comprising yttrium oxysulfide, erbium and ytterbium; 5 to 10 wt% of a dipentaerythritol hexaacrylate monomer or 9 to 13 wt% of a mixture containing pentaerythritol triacrylate and 1, 6-hexanediol diacrylate; 5 to 10 wt% of 2-methyl-1-£4-(methylthio)phenyl|-2-morpholinopropanone-1; 5 to 10 wt% of a color pigment; and 8 to 14 wt% of other conventional additives. |
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