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US 10,286,634 B2Granted
Decorative sheet and decorative resin-molded article
AssigneeDai Nippon Printing Co., Ltd.
InventorsSakie Kataoka, Nobuo Saitou, Megumi Awa, Hideaki Koike
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Abstract
The present invention provides a decorative sheet that excels in moldability and a decorative resin-molded article that uses the decorative sheet and that excels in chemical resistance. In the decorative sheet, at least a substrate layer and a surface protection layer formed of an ionizing radiation curable resin composition are stacked. The surface protection layer includes blocked isocyanate.
Claims17
A decorative sheet comprising at least a base material layer, and a surface protective layer formed of a crosslinked ionizing radiation curable resin composition,
- the surface protective layer containing a blocked isocyanate,
- wherein the blocked isocyanate is in an unreacted state,
- wherein the decorative sheet further comprises a primer layer between the base material layer and the surface protective layer,
- wherein the primer layer is provided immediately below the surface protective layer,
- wherein the primer layer is formed of a resin composition containing a polyol resin and a crosslinker, and wherein the amount of the crosslinker is 1 to 5 parts by mass based on 100 parts by mass of the polyol resin,
- and wherein the content of the blocked isocyanate in the surface protective layer is of 0.5 to 5 parts by mass based on 100 parts by mass of the resin contained in the surface protective layer.
3 more elements
Dependencies are inferred from the claim text.