| 摘要 |
PROBLEM TO BE SOLVED: To provide a discoloring laminate constituted so that a hue due to a porous layer is visually confirmed in a dry state and a hologram image excellent in brightness is visually confirmed in a state that a liquid is absorbed in the porous layer by applying water and has application properties in various fields such as a toy field, a decorative field, a design field, etc. satisfying change properties and decorative properties in the dry state and the liquid absorbed state. SOLUTION: The discoloring laminate 1 is constituted by providing the porous layer 3, which comprises a pigment low in refractive index fixed to a binder resin in a dispersed state and is different in transparency in the liquid absorbed state and a liquid non-absorbed state, on the surface of a support 2 having hologram properties and is characterized in that the porous layer satisfies all of the relational expression (1): 2.5≤Vd, the relational expression (2): Vw≤3.0 and the relational expression (3): 0.5≤Vd-Vw≤5.0 [wherein the brightness values (Vd) and (Vw) of the porous layer are measured in a state that a black sheet is arranged to the lower part of the porous layer in a close contact state and Vd is a brightness value in the liquid non-absorbed state and Vw is a brightness value in the liquid absorbed state]. COPYRIGHT: (C)2007,JPO&INPIT
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