Decorative sheet and method for manufacturing decorative sheet

The decorative sheet mimics the texture of wood or stone through a laminated structure and light-irradiation embossing process, addressing the aesthetic inferiority of cosmetic sheets and enhancing design qualities.

WO2026126914A1PCT designated stage Publication Date: 2026-06-18TOPPAN HOLDINGS INC

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
TOPPAN HOLDINGS INC
Filing Date
2025-12-04
Publication Date
2026-06-18

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    Figure JP2025042373_18062026_PF_FP_ABST
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Abstract

Provided is a decorative sheet having a texture that more closely resembles the texture of the surface of a wood grain board or the like for use as a building material. A decorative sheet (1) comprises: a colored thermoplastic resin layer (2); a pattern layer (3), a transparent thermoplastic resin layer (4), and a surface protective layer (5) which are sequentially laminated on one surface of the colored thermoplastic resin layer (2); and gloss-matte expression pattern parts (6) which are laminated on the other surface of the colored thermoplastic resin layer (2), are composed of a prescribed material that has higher light‑absorbing properties than the colored thermoplastic resin layer (2) with respect to light having a prescribed wavelength, and are disposed at positions aligned with the pattern of the pattern layer (3). The surface protective layer (5) is provided with, on the outermost surface thereof, uneven regions (Aa) in which uneven surface profiles are formed at positions overlapping with the gloss-matte expression pattern parts (6) in a plan view, grooves (51) which are formed at positions not aligned with the pattern of the pattern layer (3), and a non-formed region (Ab) in which the uneven surface profiles and the grooves (51) are not formed.
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