Patent ID: 7690783

Claim:
A method for inkjet printing comprising the following steps: a step of providing a substrate comprising a metal selected from the group consisting of manganese, copper, chromium, zinc and nickel, a step of ejecting an ink comprising at least a colorant, a polymerizable compound, a photopolymerization initiator, and a compound capable of forming a complex with the metal in the substrate, onto the substrate, and a step of irradiating an ultraviolet ray to cure the ink to form a hydrophobic image on the substrate, wherein the compound capable of forming a complex with a metal has two or more functional groups and is selected from the group consisting of phosphoric acid group-containing compounds, phosphonic acid group-containing compounds, amine group-containing compounds, carboxylic acid group-containing compounds, hydroxyl group-containing compounds, and sulfonic acid group-containing compounds.