| abstract |
An inkjet ink which causes no clogging of nozzles ofnan inkjet printer when continuous printing is conductednfor a long period of time, which elutes little coloringnmaterials when marking on eggshells are wetted with waternor marked eggs are cooked by boiling and which thus givesnan appearance free from allowing people to have andistaste, the inkjet ink comprising:n (a) a chlorophyllin dyestuff; (b) at least one viscosity adjuster selected fromnan alkali metal salt of alginic acid, propylene glycolnalginate ester, calcium carboxymethyl cellulose, sodiumncarboxymethyl cellulose, glycerin fatty acid ester,nsucrose fatty acid ester, sorbitan fatty acid ester,nsodium starch glycolate, sodium starch phosphate ester,nsodium polyacrylate, propylene glycol fatty acid esternand methyl cellulose; and (c) water. |