Ink compositions and multicolor thermal ink jet printing process for the production of high quality images

摘要: Disclosed is a set of inks for printing multicolor images in an ink jet printer, said comprising (A) first having color and water colorant selected from the group consisting (1) anionic dyes, (2) dyes physically or chemically associated therewith stabilizing agent groups thereon, (3) pigment particles attached thereto, (4) (5) mixtures thereof; (B) second water, optional other than color, ammonium salt at least two cationic functional groups, wherein capable being immobilized on substrate by interaction with ink, thereby enabling reduced intercolor bleed.