Inkjet ink, inkjet recording method and ink recorded matter

1. An inkjet ink, comprising:

water;

a water-soluble organic solvent;

a pigment; and

polycarbonate urethane resin particles,

wherein:

the water-soluble organic solvent comprises 50% by mass or more of a diol compound;

the water-soluble organic solvent comprises 50% by mass or more of a water-soluble organic solvent having a boiling point of 200° C. or less,

wherein the water-soluble organic solvent having a boiling point of 200° C. or less comprises propylene glycol, wherein an amount of propylene glycol added to the ink is 15% by mass of the inkjet ink to 20% by mass of the inkjet ink, and

the water-soluble organic solvent comprises 3-ethyl-3-hydroxymethyl oxetane.

2. The inkjet ink according to claim 1 , wherein the water-soluble organic solvent having a boiling point of 200° C. or less further comprises 2,3-butanediol.

3. The inkjet ink according to claim 1 , wherein the water-soluble organic solvent comprises 1-ethyl-2-pyrrolidone.

4. The inkjet ink according to claim 1 , wherein the water-soluble organic solvent does not comprise a solvent having a boiling point of more than 250° C.

5. The inkjet ink according to claim 1 , wherein each of the polycarbonate urethane resin particles has a structure derived from at least one alicyclic diisocyanate.

6. The inkjet ink according to claim 1 , wherein each of the polycarbonate urethane resin particles has a surface hardness of 100 N/mm 2 or more at a time when a coating film is formed.

7. The inkjet ink according to claim 1 , wherein the inkjet ink further comprises a silicone surfactant.

8. An inkjet recording method, comprising applying a stimulus to an inkjet ink to allow the inkjet ink to jet to thereby record an image on a base,

wherein the inkjet ink comprises:

water;

a water-soluble organic solvent;

a pigment; and

polycarbonate urethane resin particles,

and wherein:

the water-soluble organic solvent comprises 50% by mass or more of a diol compound;

the water-soluble organic solvent comprises 50% by mass or more of a water-soluble organic solvent having a boiling point of 200° C. or less,

wherein the water-soluble organic solvent having a boiling point of 200° C. or less comprises propylene glycol, wherein an amount of propylene glycol added to the ink is 15% by mass of the inkjet ink to 20% by mass of the inkjet ink, and

the water-soluble organic solvent comprises 3 ethyl-3-hydroxymethyl oxetane.

9. The inkjet recording method according to claim 8 , wherein the inkjet recording method further comprises heat-drying the image after being recorded.

10. The inkjet recording method according to claim 8 , wherein the base is a non-porous base.

11. An ink recorded matter, comprising:

a base wherein the base is a non-porous base; and

an image which is formed on the base with an inkjet ink comprising:

water;

a water-soluble organic solvent;

a pigment; and

polycarbonate urethane resin particles,

wherein:

the water-soluble organic solvent comprises 50% by mass or more of a diol compound;

the water-soluble organic solvent comprises 50% by mass or more of a water-soluble organic solvent having a boiling point of 200° C. or less,

wherein the water-soluble organic solvent having a boiling point of 200° C. or less comprises propylene glycol, wherein an amount of propylene glycol added to the ink is 15% by mass of the inkjet ink to 20% by mass of the inkjet ink, and

the water-soluble organic solvent comprises 3 ethyl-3-hydroxymethyl oxetane.