Aqueous ink for ink jet recording, ink jet recording device, and ink jet recording method
An aqueous ink for ink jet recording according to the present disclosure includes: a pigment; resin particles; a crosslinking agent; and water, in which the resin particles are resin particles containing an acrylic resin, the crosslinking agent is an emulsified dispersion type or self-dispersion type blocked isocyanate, and a dissociation temperature of a blocking agent for the blocked isocyanate is 120° C. or lower.
1 . An aqueous ink for ink jet recording comprising:
a pigment;
resin particles;
a crosslinking agent; and
water, wherein
the resin particles are resin particles containing an acrylic resin,
the crosslinking agent is a self-dispersion type blocked isocyanate, and
a dissociation temperature of a blocking agent for the blocked isocyanate is 120° C. or lower.
2 . The aqueous ink for ink jet recording according to claim 1 , wherein a content ratio (B/A) of a solid content (B) of the crosslinking agent to a solid content (A) of the resin particles is 0.4 or less in a total amount of the aqueous ink.
3 . The aqueous ink for ink jet recording according to claim 1 , wherein
in a total amount of the aqueous ink, a solid content of the resin particles is 5.5 wt % or more, and a solid content of the crosslinking agent is 2.1 wt % or more.
4 . The aqueous ink for ink jet recording according to claim 1 , wherein
in a total amount of the aqueous ink, a solid content (A) of the resin particles is 7.0 wt % or more, a solid content (B) of the crosslinking agent is 2.1 wt % or more, and a content ratio (B/A) of the solid content (B) of the crosslinking agent to the solid content (A) of the resin particles is 0.3 or more.
5 . The aqueous ink for ink jet recording according to claim 1 , wherein
in a total amount of the aqueous ink, a solid content (A) of the resin particles is 7.0 wt % or more and 8.5 wt % or less, and a content ratio (B/A) of a solid content (B) of the crosslinking agent to the solid content (A) of the resin particles is 0.3 or more and less than 0.4.
6 . The aqueous ink for ink jet recording according to claim 1 , wherein
the resin particles are resin particles containing an acrylic styrene-based resin dispersed with a protective colloid, and
in a total amount of the aqueous ink, a solid content (A) of the resin particles is 7.0 wt % or more and 8.5 wt % or less, and a content ratio (B/A) of a solid content (B) of the crosslinking agent to the solid content (A) of the resin particles is 0.3 or more and less than 0.4.
7 . An ink jet recording device comprising:
an ink flow path; and
an ink ejecting unit, wherein
the aqueous ink for ink jet recording according to claim 1 supplied to the ink flow path is ejected onto an object, on which an image is to be formed by the ink ejecting unit.
8 . An ink jet recording method comprising:
(i) performing recording by applying the aqueous ink for ink jet recording according to claim 1 to a recording medium using an ink jet method, and
(ii) fixing the applied aqueous ink to the recording medium.
9 . The recording method according to claim 8 , wherein
the fixing (ii) includes fixing a recording portion of the recording medium to the recording medium using a drying unit.
10 . The recording method according to claim 8 , wherein
the fixing (ii) includes causing the crosslinking agent and the resin particles in the aqueous ink fixed on the recording medium to react with each other by heating.
11 . The recording method according to claim 8 , wherein
the fixing (ii) includes heating to apply a heat amount of 109 J/cm 3 or more and 414 J/cm 3 or less to a recording portion of the recording medium.
12 . The recording method according to claim 11 , wherein the heating is performed at 60° C. or higher for 10 hours or longer.
13 . The recording method according to claim 8 , wherein
the recording medium is a roll-shaped recording medium, and
the recording medium is a film medium containing a polypropylene or vinyl chloride, or a medium including a thermosensitive coloring layer in a configuration.