Patent ID: 8008369

Claim:
An ink set comprising an ink composition including an encapsulated black pigment in which a black pigment is coated with a polymer resin; and an ink composition including an encapsulated color pigment in which a color pigment is coated with a polymer resin, wherein a volume average diameter (D 1 ) of the encapsulated black pigment is in a range of 120 to 150 nm, a glass transition temperature (T g1 ) of the encapsulated black pigment is in a range of 30 to 50° C., a volume average diameter (D 2 ) of the encapsulated color pigment is in a range of 90 to 120 nm, and a glass transition temperature (T g2 ) of the encapsulated color pigment in a range of 10 to 30′C, and wherein D 1 -D 2 is in a range of 1 to 60 nm, and T g1 -T g2 is in a range of 1 to 40° C.