| abstract |
The ink with increased resistance against drying under the invention consists of 0.1 to 25 wt.% of organic dye or pigment, 0.1 to 40 wt.% of glycols or polyethylene glycols with molecule weights from 100 to 6000, 0.1 to 20 wt.% of glycol ethers with boiling points over 150° C and up to 15 wt.% of additives and admixtures such as biocides, defoamers, leveling agents, film formers or separators, while the balance to 100 wt.% is water or low aliphatic alcohols or their mixtures. The ink under this invention lasts up to 60 days in an open tip of a writing tool without drying out. |