| abstract |
A resin composition comprising a matrix resin and, incorporated therein, a coloration component constituted of a polymer, whose coloring principle resides in regular architecture, wherein the temperature at which the coloration component is decolored is higher than the temperature at which the matrix resin is molded. There is further provided a packaging structure having at least one part of surface formed of a fibrous structure so as to realize such an architecture that portions of optical characteristics different from those of the surface are periodically arranged. |