PROCESS LIQUID, INKJET INK SET, AND MANUFACTURING METHOD OF PRINTED MATTER

Japanese Patent JP2023136196

A

To provide a process liquid that can be imparted by an inkjet method and is excellent in storage stability, and is capable of applying to various base materials such that a high quality image can be formed by an aqueous inkjet ink.SOLUTION: A process liquid applied to a substrate by an inkjet method, contains water, a water-soluble organic solvent, a polyvalent metal acetate, acetic acid, and a surfactant, and when a mole number in terms of polyvalent metal ions of a n-valent polyvalent metal salt present in the process liquid is set to Mn, a valence is set to n, and a mole number in terms of acetic ion of acetic acid and acetate present in the process liquid is set to A, 1.000