| 摘要 |
<p>Disclosed is a composition for a colloidal crystal, comprising (A) core-shell particles each having a core part and a shell part and (B1) a monomer having a specific structure, wherein the core-shell particles (A) are contained in an amount of 25 to 65 wt% and the monomer (B1) is contained in an amount of 35 to 75 wt%, the average particle diameter of the core part is from 50 to 900 nm, the shell part is formed from a linear polymer composed of at least one of styrene and a monomer (B2) having a specific structure, one end of the linear polymer is covalently bonded to the core part, and the refractive index of the core part (n(core)) satisfies formula (2): n(shell) - n(core) = 0.07 (wherein n(shell) represents the refractive index of the shell part) and formula (3): n(B) - n(core) = 0.07 (wherein n(B) represents the refractive index of the monomer (B1) after curing). In formula, R1 represents a hydrogen atom or a methyl group, and y represents 0 or 1.</p> |
