Azo-pigment-containing water-based ink for inkjet recording

摘要

Provided is a water-based ink for inkjet recording that offers excellent discharge stability and that prevents uneven density and stitching even when stored over a long period of time or exposed to high temperatures. The water-based ink for inkjet recording contains vinyl polymer particles that contain A and B and a water-soluble solvent. A: An azo pigment with a specific structure, a tautomer thereof, or a salt or a hydrate thereof. B: A vinyl polymer containing a hydrophobic structural unit (a) having an aromatic ring joined to a polymer main chain via a linking group, and a hydrophilic structural unit (b).