Water-soluble ink, ink jet printer and method of printing thereof

摘要

A plastic ink jet recording head is provided utilizing a water-soluble ink comprised of water-soluble dye having the chemical structure of: <IMAGE> The ink composition comprises a surfactant in the range 0.01 wt. to 0.1 wt. of having an acetylene glycol surfactant having a chemical structure of:e adduct is provided having a chemical of: <IMAGE> wherein m and n are each integers of at least 1.