| 摘要 |
<p>The disclosure provides an ink set comprising an ink jettable ink and an ink jettable fixer ink comprising: an aqueous colorant containing ink jettable ink; and a fixer ink comprising: (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 comprising an ethyl-ene oxide unit, and a methoxylated carboxylated polyallylamine; wherein the polymeric binder is substantially non-reactive with the colorant. The colorant comprises a dye, a self dispersed pigment or a pigment dispersion. These inks have enhanced coloristic and durability properties.</p> |
