Liquid dispersed dye of the azo or anthraquinone type

摘要

A liquid dispersed dye of the azo or anthraquinone type that includes a dispersing agent and dispersing assistant in order to keep the dye dissolved in liquid without sedimentation. The preferred dispersing agent is a sulfonated lignin salt and the preferred dispersing assistant is a surfactant such as polyethylene glycol epoxide ether (EO-1), polyethylene glycol phenolic-formaldehyde epoxide ether (EO-2), or polyethylene glycol amino methylene epoxide ether (EO-3).