Ink jet recording ink composition

摘要

An ink jet recording ink composition comprising:
an aqueous dispersion of a pigment, the dispersion having an average particle size in the range of 20 to 300 nm; and
a polyurethane resin comprising repeating units derived from monomers expressed by formula (I) and/or expressed by formula (II):
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ HO€•( CH 2 CH 2 O) N €•H €ƒ€ƒ€ƒ€ƒ€ƒ(I)
wherein N represents an integer in the range of 1 to 6,
wherein 0 + P + Q is an integer in the range of 0 to 6.