| abstract |
The invention relates to printing inks for offset and/or high printing, containing NIR absorbers, and the solubility of the NIR absorber in the printing ink is at least 0,1 wt. %. The invention also relates to an NIR absorber made of a cyanine cation comprising an anion, provided with a long-chained alkyl and/or aralkyl group, to the use of said type of printing inks in the printing method, wherein hardening of the printing ink is assisted by using IR lasers. |