Post-treatment liquid for inkjet recording, image forming method, cartridge and image forming apparatus
A post-treatment liquid for inkjet recording including a urethane resin, a fluorosurfactant, a water-soluble organic solvent and water.
1. An image forming method by inkjet recording, comprising:
forming an image on a recording medium using an ink; and
post-treating an image-forming section formed in the forming an image by discharging a post-treatment liquid for inkjet recording to coat the image-forming section,
wherein the image-forming section comprises the image, and
wherein the post-treatment liquid for inkjet recording comprises:
an anionic self-emulsifying ether-based urethane resin;
a fluorosurfactant;
a water-soluble organic solvent; and
water.
2. The image forming method according to claim 1 ,
wherein the ink is a water-based ink, and the recording medium is offset printing paper.
3. The image forming method according to claim 1 , further comprising pre-treating before the forming an image,
wherein the recording medium is treated with a pre-treatment liquid in the pre-treating, and
wherein the pre-treatment liquid comprises:
a water-soluble organic solvent;
water; and
an aliphatic organic acid salt or an inorganic metal salt, or both thereof.