| abstract |
An inkjet ink comprises a self-dispersing capsule (3), the self-dispersing capsule (3) having a polymeric shell (4), the polymeric shell (4) surrounding a core (5) comprising one or more chemical reactants, wherein the capsule is dispersed in an aqueous medium (2) by a dispersing group (6) covalently bonded to the polymeric shell (4), wherein the dispersing group is a carboxylic acid or a salt thereof; and not more than 0.5% by weight of an amphoteric surfactant of formula (A). |