PRETREATMENT AGENT FOR INK-JET PRINTING, INK SET FOR INK-JET PRINTING AND INK-JET PRINTING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a pretreatment agent for ink-jet printing, which allows a printed material to show at least high whiteness.SOLUTION: The pretreatment agent for ink-jet printing contains a polyvalent metal compound, an anionic resin emulsion, a fluorine-based water/oil repellent agent and water.