For structural color expression composition and structural color expression film

摘要

PROBLEM TO BE SOLVED: To provide a composition for structural color expression that can form structural color expression membrane having excellent flexibility and capable of maintaining clear structural color even when bent.;SOLUTION: A composition for structural color expression is a composition containing copolymer particles having core-shell structure, wherein the shell part of the copolymer particles contains resin (a) crosslinked by conjugated diene, the number-average particle size of the copolymer particles is 0.05 μm or more and less than or equal to 1 μm, and the refractive index difference between a core part and shell part of the copolymer particles is 0.01 or more.;COPYRIGHT: (C)2014,JPO&INPIT