Ink – One Of Mankind’s Oldest Tools, Still In Use.

The inks that are often found on printed paper are pigmented inks, which adhere to the surface of the paper. They therefore cannot be removed by abrasion and because they stay on the surface less ink is required.
Dyes are used in ink to provide much better color control. With dyes the density of the dye can be regulated to get different intensities. They are rarely used in paper printing because they soak in and tend to bleed out as well as being less efficient. This can be beaten using quick drying solvents mixed into the ink or quick drying techniques such as blow drying. Some printers coat the paper with a substance to make the ink adhere to it, or charge the coating so that the ink, with an opposite charge, is attracted to the coating.

Without ink we would still be carving messages into stone, or making simple paintings on cave walls. Ink is the bridge between writing, one of man’s greatest inventions, and speed and efficiency. With ink we get mobility, variety of forms, and it has never become obsolete as it is still used in printing presses, computer printers and pens.

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