| 摘要 |
The invention provides an oil-based inkjet recording ink including, an azo pigment represented by the following Formula (1), a polymer dispersant, a resin and an organic solvent: which has superior recording property onto a vinyl chloride substrate, ink storage stability and ejecting property (including when re-ejected after ejection stopped), wherein, in Formula (1), Z represents a divalent group derived from a 5- to 8-membered heterocycle containing nitrogen atom(s); Y1, Y2, R11, and R12 each independently represent a hydrogen atom or a substituent; G1 and G2 each independently represent a hydrogen atom, an alkyl group, an aralkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; and W1 and W2 each independently represent an alkoxy group, an amino group, a substituted amino group, an alkyl group or an aryl group.
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