IP Library › Granted Patent US 12,528,309
Granted Patent B2
US 12,528,309 · App. 17/598,977 · Granted Jan 20, 2026

Decorative sheet and decorative molded-resin article

Inventors: Shohei Ishiguro (Tokyo, JP); Yosuke Abe (Tokyo, JP); Masahiro Yasuhara (Tokyo, JP)
Assignee: Dai Nippon Printing Co., Ltd.
B44C5/04B32B3/30B44F9/02B44F9/04
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Quick Facts
Patent No.
US 12,528,309
App. No.
17/598,977
Granted
Jan 20, 2026
Kind
B2
Abstract

Provided is a decorative sheet which combines an excellent touch with design attractiveness. The decorative sheet comprises a base layer, a protrusion layer partly disposed, and a first resin layer in this order, in which the first resin layer contains a matting agent and the layer of protrusions contains particles.

Claims (23)

1 . A decorative sheet comprising at least a base material layer, a pattern layer, a partially provided protrusion layer and a first resin layer in this order,

the first resin layer containing a matting agent,

the protrusion layer containing organic particles, and

the height of the protrusion layer is 10 μm or more and less than 50 μm,

wherein the particles contained in the protrusion layer have an average particle diameter of 15 μm or more and 60 μm or less, and

wherein the content of the organic particles contained in the protrusion layer is 10 mass % or more and 50 mass % or less based on the solid content of the resin composition forming the protrusion layers.

2 . The decorative sheet according to claim 1 , wherein the first resin layer is formed on the entire surface on one side of the decorative sheet.

3 . The decorative sheet according to claim 2 , wherein a second resin layer is provided on a side opposite to the protrusion layer side of the first resin layer.

4 . The decorative sheet according to claim 2 , wherein the first resin layer has a thickness of 2 μm or more and 10 μm or less.

5 . The decorative sheet according to claim 1 , wherein a second resin layer is provided on a side opposite to the protrusion layer side of the first resin layer.

6 . The decorative sheet according to claim 5 , wherein the first resin layer has a thickness of 2 μm or more and 10 μm or less.

7 . The decorative sheet according to claim 1 , wherein the organic particle is at least one of a urethane bead and an acrylic bead.

8 . The decorative sheet according to claim 1 , wherein the first resin layer has a thickness of 2 μm or more and 10 μm or less.

9 . The decorative sheet according to claim 1 , wherein the protrusion layer is formed from an ionizing radiation curable resin.

10 . The decorative sheet according to claim 1 , further comprising a primer layer between the protrusion layer and the pattern layer.

11 . The decorative sheet according to claim 1 , wherein the pattern layer has a thickness of 1 to 30 μm.

12 . The decorative sheet according to claim 1 , wherein the pattern layer contains a binder, and wherein the binder is at least one selected from the group consisting of polyurethane resins, vinyl chloride-vinyl acetate copolymers, vinyl chloride-vinyl acetate-acrylic copolymers, chlorinated polypropylene resins, acrylic resins, polyester resins, polyamide resins, butyral resins, polystyrene resins, nitrocellulose resins and cellulose acetate resins.

13 . A decorative resin molded article comprising at least a molded resin layer, a base material layer, a partially provided protrusion layer and a first resin layer in this order,

the first resin layer containing a matting agent,

the protrusion layer containing organic particles, and

the height of the protrusion layer is 10 μm or more and less than 50 μm,

wherein the particles contained in the protrusion layer have an average particle diameter of 15 μm or more and 60 μm or less, and

wherein the content of the organic particles contained in the protrusion layer is 10 mass % or more and 50 mass % or less based on the solid content of the resin composition forming the protrusion layers.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 28, 2021
From: ISHIGURO, SHOHEI; ABE, YOSUKE; YASUHARA, MASAHIRO
To: DAI NIPPON PRINTING CO., LTD.
Reel/Frame 057620/0966 →
Priority Claims (1)
JP 2019-067678 · Mar 29, 2019 · national
Continuity (1)
Related Publication 20220176732A1 · Jun 9, 2022
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