Patent ID: 9090788
Filing Date: 2015-07-28
Classification: B41J,C09D

Abstract:
1. An aqueous inkjet ink comprising a colorant, an aqueous vehicle, and an polymeric ink additive as a binder, wherein said polymeric ink additive is a random or structured polymer and comprises at least three monomers A, B and C; wherein (a) monomer A is a hydrophobic acrylate monomer; (b) monomer B is a hydrophilic acrylic monomer; and (c) monomer C is an acrylate monomer with the O atom on the ester bonding, either directly or via a linking group containing 1-10 carbon atoms, to a carbon or heteroatom of a monocyclic or bicyclic heterocycle containing N, S or O atoms on the ring, wherein said heterocycle is selected from the group consisting of imidazole, imidazolidinone, oxazolidinone, thiazolidinone, benzotriazole, benzimidazole, triazole, benzotriazole, thiazole, benzothiazole, pyrimidine, pyridazine and glycoside, and wherein the carbon atoms on the ring of said heterocycle are optionally substituted with one or more R each R each R each R each R