White Paper: Ink Manufacturing and the Dispersion of Pigment into Printing Ink
Printing has been around for centuries. While there have been many technological and formula changes, the main functions remain the same. The raw materials for ink production are pigments, binders, solvents, and additives.
Printing ink is a combination of basic ingredients such as pigments, vehicles, and additives. The physical properties of pigments, such as particle size and particle surface, have a great influence on the dispersion process. Generally, ink manufacture has two stages: first, varnish (a mixture of solvent, resins, and additives) is made, and then pigments are mixed into it. At this point, the pigment particles clump together. These clumps must be broken up and the pigment dispersed evenly.
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