Ink, ink cartridge, inkjet recording apparatus, inkjet recording method, and recorded matter

1. An ink comprising:

water;

a color material;

an acrylic resin;

urethane resin particles; and

at least one organic solvent comprising 3-methyl-3-methoxy-1-butanol, wherein

another organic solvent amongst the plural organic solvents comprises 1,2-propanediol, and

a content of the acrylic resin is 0.01 parts by mass or greater but 2 parts by mass or less relative to 100 parts by mass of the color material.

2. The ink according to claim 1 , wherein the urethane resin particles comprise polycarbonate urethane resin particles.

3. The ink according to claim 1 , wherein a content of the 3-methyl-3-methoxy-1-butanol is 3% by mass or greater but 15% by mass or less.

4. The ink according to claim 1 , wherein a volume average particle diameter of the urethane resin particles is 10 nm or greater but 350 nm or less.

5. The ink according to claim 1 , wherein the color material comprises a pigment.

6. The ink according to claim 1 , wherein a content of the color material is 0.1% by mass or greater but 10% by mass or less.

7. The ink according to claim 1 , further comprising a nonionic surfactant.

8. The ink according to claim 1 , wherein a content of the at least one organic solvent is 20% by mass or greater but 70% by mass or less.

9. The ink according to claim 1 , wherein a boiling point of the at least one organic solvent is 150° C. or higher but 270° C. or lower.

10. The ink according to claim 1 , wherein a content of an organic solvent having a boiling point of higher than 250° C. is less than 10% by mass of a total amount of the at least one organic solvent.

11. The ink according to claim 1 , wherein the color material is dispersed by a dispersant polymer that comprises the acrylic resin.

12. The ink according to claim 1 , wherein the urethane resin particles comprise self-emulsifying urethane resin particles.

13. An ink cartridge comprising:

the ink according to claim 1 ; and

a container storing the ink.

14. A recorded matter comprising

an image recorded with the ink according to claim 1 .

15. The ink according to claim 11 , wherein a weight average molecular weight of the dispersant polymer is 3,000 or greater but 50,000 or less.

16. An inkjet recording apparatus comprising

an ink delivering unit configured to apply a stimulus to an ink to deliver the ink onto a recording medium,

wherein the ink comprises:

water;

a color material;

an acrylic resin;

urethane resin particles; and

plural organic solvents,

wherein at least one of the plural organic solvents comprises 3-methyl-3-methoxy-1-butanol,

wherein another organic solvent amongst the plural organic solvents comprises 1,2-propanediol, and

wherein a content of the acrylic resin is 0.01 parts by mass or greater but 2 parts by mass or less relative to 100 parts by mass of the color material.

17. An inkjet recording method comprising

applying a stimulus to an ink to fly the ink and record an image over a recording medium,

wherein the ink comprises:

water;

a color material;

an acrylic resin;

urethane resin particles; and

plural organic solvents,

wherein at least one of the plural organic solvents comprises 3-methyl-3-methoxy-1-butanol, and

wherein another organic solvent amongst the plural organic solvents comprises 1,2-propanediol, and

wherein a content of the acrylic resin is 0.01 parts by mass or greater but 2 parts by mass or less relative to 100 parts by mass of the color material.

18. The inkjet recording method according to claim 17 , further comprising

after recording of the image over the recording medium, heating the recording medium.