Offset inks with and without fluorescent dyes were prepared using a typical composition for printing ink, shown in Table 1. A thoroughly-blended mixture of very long alkyd resin, maleic varnish, solvent, and dryer was prepared in a laboratory mixer. Then, the dye (for the fluorescent ink), talc, calcium carbonate, and rheology modifier were added. Finally, a homogenous mixture was obtained which was then milled by an automatic Muller dispersion apparatus.
Offset inks with and without fluorescent dyes were prepared using a typical composition for printing ink, shown in Table 1. A thoroughly-blended mixture of very long alkyd resin, maleic varnish, solvent, and dryer was prepared in a laboratory mixer. Then, the dye (for the fluorescent ink), talc, calcium carbonate, and rheology modifier were added. Finally, a homogenous mixture was obtained which was then milled by an automatic Muller dispersion apparatus.
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