INK SET FOR INKJET, RECORDING METHOD AND RECORDED MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide: an ink set capable of recording an image displaying the history of photoirradiation or heating, or the like; a recording method of recording using the ink set; and a recorded material obtained by the recording method.SOLUTION: An ink set for inkjet is provided with a plurality of inks and is provided with a first ink and a second ink, wherein the first ink contains an acid generator, the second ink contains a pH discoloring type pigment and the acid generator contained in the first ink is a heat acid generator or a photoacid generator.