Ink jet recording ink composition

摘要

An Ink jet recording ink composition contains a dispersion containing a pigment dispersible in water therein and having an average particle size in the range of 20 to 300 nm, water, and a polyurethane resin containing a compound expressed by formula (I) and/or a compound expressed by formula (II): where N represents an integer in the range of 1 to 6. where O+P+Q is an integer in the range of 0 to 6.