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US 2024/0173937 A1Published application
Decorative sheet and method for producing decorative sheet
AssigneeToppan Inc.
InventorErika AKUTSU
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AssigneeToppan Inc.
InventorErika AKUTSU
Estimating the term…
A decorative sheet includes a primary film layer and a surface protection layer disposed on one surface of the primary film layer, wherein the surface protection layer includes on a surface thereof a ridged portion protruding in a shape of a ridge and thus has an uneven shape formed on the surface, the uneven shape of the surface protection layer has a ratio RSm/Ra in a range of 10 or more and 300 or less, the surface protection layer contains an ionizing radiation-curable resin as a main material, the ionizing radiation-curable resin contains as a main component an acrylic resin having a repeating structure, the acrylic resin has a dipentaerythritol structure, the repeating structure is one of structures of ethylene oxide, propylene oxide, and ε- caprolactone, and a number of repeating units of the repeating structure is 12 or more.
A decorative sheet, comprising:
The decorative sheet of claim 2, wherein the surface protection layer includes particles having an average particle size of 10 μm or less.
The decorative sheet of claim 3, wherein an addition amount of the particles is in a range of 0.5 parts by mass or more and 10 parts by mass or less, relative to 100 parts by mass of the ionizing radiation-curable resin.
The decorative sheet of claim 1, wherein a number of acryloyl groups contained in the dipentaerythritol structure is 5 or 6.
A method for producing a decorative sheet, the method comprising the steps of:
Dependencies are inferred from the claim text.