Set of ink and print medium, inkjet printing method, inkjet printing apparatus, printed matter, ink, and ink stored container
Provided is a set of an ink and a print medium, the set including an ink and a print medium, wherein the ink includes at least one organic solvent, polyurethane resin particles, a colorant, and water, wherein the at least one organic solvent includes a compound having a saturated vapor pressure at 100° C. of 65 mmHg or greater but 400 mmHg or less, and wherein a sensor output at a critical image peeling point, measured by a microscratching method, of a solid image formed on the print medium in a manner that the ink is attached in an amount of 0.96 mg/cm 2 is 600 or greater.
1. A set of an ink and a print medium, the set comprising:
an ink; and
a print medium,
wherein the ink comprises:
at least one organic solvent;
polyurethane resin particles;
a colorant; and
water,
wherein the at least one organic solvent comprises a compound having a saturated vapor pressure at 100° C. of 65 mmHg or greater but 400 mmHg or less,
wherein a glass transition temperature of the polyurethane resin particles is −30° C. or higher but 10° C. or lower, and
wherein a sensor output at a critical image peeling point, measured by a microscratching method, of a solid image formed on the print medium in a manner that the ink is attached in an amount of 0.96 mg/cm 2 is 600 or greater.
2. The set according to claim 1 , wherein an arithmetic mean roughness Ra of the solid image is 0.3 μm or greater but 0.8 μm or less.
3. The set according to claim 1 , wherein a volume average particle diameter of the polyurethane resin particles is 8 nm or greater but 19 nm or less.
4. The set according to claim 1 , wherein a mass ratio A/B is 1 or greater but 5 or less, where A is a mass percentage of the polyurethane resin particles and B is a mass percentage of the colorant.
5. The set according to claim 1 , wherein a mass ratio C/A is 0.85 or greater but 3.0 or less, where C is a mass percentage of the compound having a saturated vapor pressure at 100° C. of 65 mmHg or greater but 400 mmHg or less and A is a mass percentage of the polyurethane resin particles.
6. The set according to claim 1 , wherein the compound having a saturated vapor pressure at 100° C. of 65 mmHg or greater but 400 mmHg or less comprises at least one selected from the group consisting of propylene glycol monopropylether, propylene glycol monomethylether, and 3-methoxybutanol.
7. The set according to claim 1 , wherein a content of the compound having a saturated vapor pressure at 100° C. of 65 mmHg or greater but 400 mmHg or less is 10% by mass or greater but 25% by mass or less.
8. An inkjet printing method, comprising
applying a stimulus to an ink to discharge the ink to print an image on a print medium,
wherein the ink and the print medium are the ink and the print medium included in the set according to claim 1 .
9. An inkjet printing apparatus, comprising:
the set according to claim 1 ; and
an ink discharging unit configured to apply a stimulus to the ink to discharge the ink to print an image on the print medium.
10. A printed matter, comprising:
a print medium; and
a print layer,
wherein the print layer comprises:
at least one organic solvent;
polyurethane resin particles; and
a colorant,
wherein the at least one organic solvent comprises a compound having a saturated vapor pressure at 100° C. of 65 mmHg or greater but 400 mmHg or less,
wherein a glass transition temperature of the polyurethane resin particles is −30° C. or higher but 10° C. or lower, and
wherein a sensor output at a critical image peeling point, measured by a micro scratching method, of a solid image formed on the print medium in a manner that the ink is attached in an amount of 0.96 mg/cm 2 is 600 or greater.
11. An ink, comprising:
at least one organic solvent;
polyurethane resin particles;
a colorant; and
water,
wherein the at least one organic solvent comprises a compound having a saturated vapor pressure at 100° C. of 65 mmHg or greater but 400 mmHg or less,
wherein a glass transition temperature of the polyurethane resin particles is −30° C. or higher but 10° C. or lower,
wherein a sensor output at a critical image peeling point, measured by a microscratching method, of a solid image formed on a print medium in a manner that the ink is attached in an amount of 0.96 mg/cm 2 is 600 or greater, and
wherein the ink is used in an inkjet printing method that comprises applying a stimulus to the ink to discharge the ink to print an image on the print medium.
12. An ink stored container, comprising:
the ink according to claim 11 ; and
a container storing the ink.