Ink jet recording method, ink jet recording apparatus and ink storage bag
Provided is an ink jet recording method which can record an image excellent in abrasion resistance and in which an ink after storage is excellent in filter passability. The ink jet recording method includes ejecting an aqueous ink to a recording medium to record an image with an ink jet recording apparatus including: the aqueous ink; an ink storage bag configured to store the aqueous ink; and a recording head of an ink jet system configured to eject the aqueous ink. The recording head includes, in an inside thereof, a filter configured to pass the aqueous ink therethrough. The aqueous ink contains a pigment, a wax, a dispersant for dispersing the wax and a resin particle.
1 . An ink jet recording method comprising ejecting an aqueous ink to a recording medium to record an image with an ink jet recording apparatus comprising:
the aqueous ink;
an ink storage bag configured to store the aqueous ink; and
a recording head of an ink jet system configured to eject the aqueous ink,
wherein the recording head comprises, in an inside thereof, a filter configured to pass the aqueous ink therethrough,
wherein the aqueous ink comprises a pigment, a wax, a dispersant for dispersing the wax, and a resin particle,
wherein the aqueous ink has a dissolved oxygen amount of 3.0 mg/L or less, and
wherein a total content of the wax and the dispersant for dispersing the wax in the aqueous ink is 0.8% by mass or more to 5.0% by mass or less with respect to a total mass of the ink.
2 . The ink jet recording method according to claim 1 , wherein the ink storage bag comprises a plurality of layers and comprises a metal layer in a layer configuration thereof.
3 . The ink jet recording method according to claim 2 , wherein, in the layer configuration of the ink storage bag, a layer that is brought into contact with the aqueous ink is formed of a polyethylene resin.
4 . The ink jet recording method according to claim 1 , wherein the ink storage bag has a flat shape.
5 . The ink jet recording method according to claim 1 , wherein the filter configured to pass the aqueous ink therethrough is present in the ink storage bag or in an ink supply flow path from the ink storage bag to the recording head.
6 . The ink jet recording method according to claim 1 , wherein the dispersant for dispersing the wax comprises a nonionic dispersant and an anionic dispersant.
7 . The ink jet recording method according to claim 6 , wherein a content of the nonionic dispersant in the aqueous ink is 0.01% by mass or more to 2.5% by mass or less with respect to the total mass of the ink.
8 . The ink jet recording method according to claim 6 , wherein a content of the anionic dispersant in the aqueous ink is 0.01% by mass or more to 2.5% by mass or less with respect to the total mass of the aqueous ink.
9 . The ink jet recording method according to claim 1 , wherein the total content of the wax and the dispersant for dispersing the wax in the aqueous ink is 0.10 times or more in terms of mass ratio with respect to a content of the resin particle.
10 . The ink jet recording method according to claim 1 , wherein the recording medium has a water absorption amount of 10 mL/m 2 or less in a Bristow method from start of contact to 30 msec 1/2 .
11 . The ink jet recording method according to claim 1 , wherein an ink storage amount of the ink storage bag is 100 mL or more to 5,000 mL or less.
12 . The ink jet recording method according to claim 1 , wherein a pore diameter of the filter is of 1 μm or more to 15 μm or less.
13 . The ink jet recording method according to claim 1 , wherein the dissolved oxygen amount in the aqueous ink is 1.0 mg/L or more.
14 . The ink jet recording method according to claim 1 , wherein a resin composing the resin particle comprises at least one resin comprising an acrylic resin and a polyester resin.
15 . The ink jet recording method according to claim 1 , wherein a content of the pigment in the ink is 0.1% by mass or more to 15.0% by mass or less with respect to the total mass of the aqueous ink.
16 . The ink jet recording method according to claim 1 , wherein a content of the dispersant in the aqueous ink is 0.01% by mass or more to 5.0% by mass or less with respect to the total mass of the aqueous ink.
17 . The ink jet recording method according to claim 1 , wherein a content of the resin particle in the aqueous ink is 2.0% by mass or more to 50.0% by mass or less with respect to the total mass of the aqueous ink.
18 . The ink jet recording method according to claim 1 , wherein a content of the resin particle in the aqueous ink is 2.0% by mass or more to 20.0% by mass or less with respect to the total mass of the aqueous ink.
19 . The ink jet recording method according to claim 1 , wherein the recording method further includes a step of heating the recording medium having the aqueous ink applied thereto.
20 . An ink jet recording apparatus comprising:
an aqueous ink;
an ink storage bag configured to store the aqueous ink; and
a recording head of an ink jet system configured to eject the aqueous ink,
wherein the recording head comprises, in an inside thereof, a filter configured to pass the aqueous ink therethrough,
wherein the aqueous ink comprises a pigment, a wax, a dispersant for dispersing the wax, and a resin particle,
wherein the aqueous ink has a dissolved oxygen amount of 3.0 mg/L or less, and
wherein a total content of the wax and the dispersant for dispersing the wax in the aqueous ink is 0.8% by mass or more to 5.0% by mass or less with respect to a total mass of the ink.
21 . An ink storage bag configured to store an aqueous ink for ink jet,
wherein the aqueous ink comprises a pigment, a wax, a dispersant for dispersing the wax, and a resin particle,
wherein the aqueous ink has a dissolved oxygen amount of 3.0 mg/L or less, and
wherein a total content of the wax and the dispersant for dispersing the wax in the aqueous ink is 0.8% by mass or more to 5.0% by mass or less with respect to a total mass of the ink.