The non aqueous ink according to the present invention uses, as a pigment dispersant, non aqueous resin dispersion microparticles composed of an acrylic polymer comprising an alkyl acrylate unit having an alkyl group of {TAIL ~ 12 or more carbon atoms} and {HEAD ~ a acrylate unit} having a urethane group 
The non aqueous ink according to the present invention uses , as a pigment dispersant , non aqueous resin dispersion microparticles composed of an acrylic polymer comprising an alkyl acrylate unit having an alkyl group of { TAIL ~ 12 or more carbon atoms } and { HEAD ~ a acrylate unit } having a urethane group
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