Inkjet ink composition

23 25 An inkjet ink composition having a binder including an aqueous dispersion of polymer particles, the polymer including, as polymerized units, (a) from 0 to 1 wt. % monoethylenically unsaturated acid monomer, based on polymer weight; and (b) monomer of the formula CH═C(R1)-CON(R2)(R3) wherein R1...

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Main Authors Beach, Bradley Leonard, Carrillo, Alberto, Hallden-Abberton, Michael Paul, Holloway, Ann P, Johnson, Joseph Edward, Lein, George Max, Merritt, Richard Foster, Pearson, Anna Marie
Format Patent
LanguageEnglish
Published 03.06.2008
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Summary:23 25 An inkjet ink composition having a binder including an aqueous dispersion of polymer particles, the polymer including, as polymerized units, (a) from 0 to 1 wt. % monoethylenically unsaturated acid monomer, based on polymer weight; and (b) monomer of the formula CH═C(R1)-CON(R2)(R3) wherein R1═H, CHor CHand R2 and R3 are independently selected from C1-C6 saturated alkyl and cycloalkyl groups; and wherein the total of (a) and (b) is at least 0.1 wt % monomer based on the polymer weight. The binder may be a copolymer of ethyl acrylate and acrylamide. An inkjet ink composition including the inkjet ink binder, a colorant, and a liquid medium is also provided.