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20250205991. Decorative Sheet Meth (TOPPAN HOLDINGS .)

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DECORATIVE SHEET AND METHOD FOR MANUFACTURING DECORATIVE SHEET

Abstract: a primary film layer, a water-resistant protective layer, and a surface protective layer are laminated in this order; the surface protective layer has a surface on which asperities having ridge portions protruding in a ridge-like shape are formed; in the asperities of the surface protective layer, a ratio rsm/ra between the surface roughness index rsm and the surface roughness index ra is in the range of 10 or more and 300 or less; the surface protective layer comprises an ionizing radiation curable resin as a main material; the ionizing radiation curable resin comprises a trifunctional acrylic resin with a repeating structure as a main component; and the number of repetitions of the repeating structure is 3 or greater.

Inventor(s): Yoshimi YAMASAKI

CPC Classification: B32B3/30 (characterised by a layer formed with recesses or projections, e.g. {hollows, grooves, protuberances, ribs (apertured layer ; layer with cavities or internal voids )})

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