FORMATION METHOD OF METALLIC SHEEN PATTERN BY INKJET SYSTEM, INK COMPOSITION USED FOR FORMATION METHOD, AND PRINTED MATTER HAVING METALLIC SHEEN PATTERN FORMED THEREON

摘要

PROBLEM TO BE SOLVED: To provide: a formation method of a metallic sheen pattern by an inkjet system not using a metallic pigment, and excellent in discharge stability; an ink used for the formation method; and a printed matter having the metallic sheen pattern formed thereon.;SOLUTION: There is provided a metallic sheen pattern formation method by an inkjet system in which an ink is used, which contains a thiophene polymer having a weight average molecular weight of 500-10,000 and a polar solvent having a boiling point of 90°C or higher, and a printed film thickness after being dried is 0.1 μm or thicker.;COPYRIGHT: (C)2016,JPO&INPIT