INKS AND TONERS COMPRISING WATER-SOLUBLE REACTIVE DYES LINKED TO A POLYAMINE

摘要

An ink composition comprising a water-soluble reactive dye comprising at least three chromophoric groups linked to a polyamine; and a medium comprising at least one of a low melting point solid, an organic solvent and a mixture of water and one or more water-soluble organic solvent(s). Also claimed are a process for ink jet printing of textiles using the inks, a process for ink jet printing a substrate with the inks and an electrophotographic toner composition containing said water-soluble reactive dye.