PIGMENT DISPERSION CONTAINING AZO PIGMENT AND AQUEOUS INK FOR INKJET RECORDING USING THE SAME
申请人:Tanaka Shigeaki
公开号:US20120165436A1
公开(公告)日:2012-06-28
A pigment dispersion including vinyl polymer particles containing A and B: A: an azo pigment represented by the following formula (1), a tautomer thereof, a salt thereof, a hydrate thereof, or a solvate thereof; B: a vinyl polymer containing a structural unit (a) having a non-aromatic alicyclic group bonded to the polymer main chain via a linking group, and a structural unit (b) having a hydrophilic group,
wherein the substituents are as defined in the specification.