Ink jet recording method
An ink jet recording method in which an image is formed by applying onto a recording medium a reaction liquid, an aqueous pigment ink containing an anionic polymer aggregatable by the reaction liquid and a resin-containing aqueous liquid containing an anionic polymer aggregatable by the reaction liquid to form an image, the method including the steps of applying the reaction liquid to the recording medium; applying the aqueous pigment ink to a surface of the recording medium to which the reaction liquid is applied by an ink jet method to form an image; and applying the resin-containing aqueous liquid to the image formed on the recording medium by the ink jet method. The surface tension of the resin-containing aqueous liquid is higher than the surface tension of the aqueous pigment ink.
1. An ink jet recording method in which an image is formed by applying onto a recording medium a reaction liquid, an aqueous pigment ink containing an anionic polymer aggregatable by the reaction liquid and a resin-containing aqueous liquid containing an anionic polymer aggregatable by the reaction liquid to form an image, the method comprising the steps of:
applying the reaction liquid to the recording medium;
applying the aqueous pigment ink to a surface of the recording medium to which the reaction liquid is applied by an ink jet method to form an image; and
applying the resin-containing aqueous liquid to the image formed on the recording medium by the ink jet method,
wherein a surface tension of the resin-containing aqueous liquid is higher than a surface tension of the aqueous pigment ink.
2. The ink jet recording method according to claim 1 , wherein the surface tension of the resin-containing aqueous liquid is 3 mN/m or more higher than the surface tension of the aqueous pigment ink.
3. The ink jet recording method according to claim 1 , wherein the surface tension of the resin-containing aqueous liquid is 5 mN/m or more higher than the surface tension of the aqueous pigment ink.
4. The ink jet recording method according to claim 1 , wherein the recording medium is cast-coated paper.
5. The ink jet recording method according to claim 1 , wherein the anionic polymer is a water-soluble resin having a weight-average molecular weight of 5,000 or more and 10,000 or less.
6. The ink jet recording method according to claim 1 , further comprising a step of removing water from the image formed on the recording medium after the step of applying the resin-containing aqueous liquid.
7. An ink jet recording method in which an image is formed by applying onto a first recording medium a reaction liquid, an aqueous pigment ink containing an anionic polymer aggregatable by the reaction liquid and a resin-containing aqueous liquid containing an anionic polymer aggregatable by the reaction liquid followed by transferring the intermediate image formed on the first recording medium to a second recording medium, the method comprising the steps of:
applying the reaction liquid to the first recording medium;
applying the aqueous pigment ink to a surface of the first recording medium to which the reaction liquid is applied by an ink jet method to form an image; and
applying the resin-containing aqueous liquid to the image formed on the first recording medium by the ink jet method,
wherein a surface tension of the resin-containing aqueous liquid is higher than a surface tension of the aqueous pigment ink.
8. The ink jet recording method according to claim 7 , wherein the surface tension of the resin-containing aqueous liquid is 3 mN/m or more higher than the surface tension of the aqueous pigment ink.
9. The ink jet recording method according to claim 7 , wherein the surface tension of the resin-containing aqueous liquid is 5 mN/m or more higher than the surface tension of the aqueous pigment ink.
10. The ink jet recording method according to claim 7 , wherein the first recording medium is a transfer member, and the transfer member has a support member and a surface layer member on the support member.
11. The ink jet recording method according to claim 10 , wherein the surface layer member comprises a siloxane compound.
12. The ink jet recording method according to claim 7 , wherein the second recording medium is cast-coated paper.
13. The ink jet recording method according to claim 7 , wherein the anionic polymer comprises a water-soluble resin having a weight-average molecular weight of 5,000 or more and 10,000 or less.
14. The ink jet recording method according to claim 7 , further comprising a step of removing water from the intermediate image formed on the first recording medium after the step of applying the resin-containing aqueous liquid.