| 摘要 |
Provided is an image forming method, including: applying a treatment liquid to a recording medium; and applying a recording ink to the recording medium. The treatment liquid is free from a colorant, and contains an organic acid salt or a cationic resin or both thereof, a water-soluble organic solvent, and water. The water-soluble organic solvent contains one or more selected from sodium poly-γ-glutamate, N-acyl fatty acid-sodium L-glutamate, sodium N-lauroyl-L-aspartate, and a compound represented by General Formula 1 below. The recording ink contains a colorant, a water-soluble organic solvent, a surfactant, a carboxyl group-containing resin, and water.;where in General Formula 1 above, Ac represents an acetyl group, and R1 and R2 each represent a fatty acid residue having 8 to 14 carbon atoms. |
| 主权项 |
1. An image forming method, comprising:
applying a treatment liquid to a recording medium; and applying a recording ink to the recording medium, wherein the treatment liquid is free from a colorant, and comprises an organic acid salt or a cationic resin or both thereof, a water-soluble organic solvent, and water, and the water-soluble organic solvent comprises one or more selected from sodium poly-γ-glutamate, N-acyl fatty acid-sodium L-glutamate, sodium N-lauroyl-L-aspartate, and a compound represented by General Formula 1 below, and wherein the recording ink comprises a colorant, a water-soluble organic solvent, a surfactant, a carboxyl group-containing resin, and water: where in General Formula 1 above, Ac represents an acetyl group, and R1 and R2 each represent a fatty acid residue having 8 to 14 carbon atoms. |
