Fixer inks for use with ink jet inks
The disclosure provides an ink set containing an ink jettable ink and an ink jettable fixer ink having: an aqueous colorant containing ink jettable ink; and a fixer ink having: (i) a multivalent metal salt, wherein the metal is selected from the group consisting of divalent metal ions, trivalent metal ions, and mixtures thereof; and (ii) a salt stable, water soluble, predominantly non-ionic, polymeric binder selected from the group consisting of a polyurethane having an ethylene oxide unit, and a methoxylated carboxylated polyallylamine; wherein the polymeric binder is substantially non-reactive with the colorant. The colorant contains a dye, a self dispersed pigment or a pigment dispersion. These inks have enhanced coloristic and durability properties.
E I du Pont de Nemours and Company
C C B C C B C C C C
C08G C09D B41M C09D C08L B41M C08G C08G C08G C08G
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Xiaoqing
Li