US 12,128,654 B2
Cosmetic sheet and cosmetic plate
Yuuhei Shinbara, Tokyo (JP); Toshinaru Kayahara, Tokyo (JP); and Tomoyuki Hamaguchi, Tokyo (JP)
Assigned to Dai Nippon Printing Co., Ltd., Tokyo (JP)
Appl. No. 16/329,847
Filed by Dai Nippon Printing Co., Ltd., Tokyo (JP)
PCT Filed Sep. 15, 2017, PCT No. PCT/JP2017/033559
§ 371(c)(1), (2) Date Mar. 1, 2019,
PCT Pub. No. WO2018/052138, PCT Pub. Date Mar. 22, 2018.
Claims priority of application No. 2016-181266 (JP), filed on Sep. 16, 2016.
Prior Publication US 2019/0184688 A1, Jun. 20, 2019
Int. Cl. B32B 27/20 (2006.01); B32B 3/30 (2006.01); B32B 7/12 (2006.01); B32B 27/00 (2006.01); B32B 27/08 (2006.01); B32B 27/32 (2006.01); B32B 27/40 (2006.01); B32B 37/24 (2006.01); B32B 38/00 (2006.01); B32B 38/06 (2006.01); B44C 1/24 (2006.01); B44C 5/04 (2006.01); B44F 1/02 (2006.01)
CPC B32B 27/20 (2013.01) [B32B 3/30 (2013.01); B32B 7/12 (2013.01); B32B 27/00 (2013.01); B32B 27/08 (2013.01); B32B 27/32 (2013.01); B32B 27/40 (2013.01); B44C 1/24 (2013.01); B44C 5/04 (2013.01); B44F 1/02 (2013.01); B32B 37/24 (2013.01); B32B 2037/243 (2013.01); B32B 38/0008 (2013.01); B32B 2038/0076 (2013.01); B32B 38/06 (2013.01); B32B 2307/408 (2013.01); B32B 2307/412 (2013.01); B32B 2307/538 (2013.01); B32B 2307/584 (2013.01); B32B 2310/0887 (2013.01); B32B 2310/14 (2013.01); B32B 2323/10 (2013.01); B32B 2375/00 (2013.01); B32B 2451/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A decorative sheet comprising a base material sheet and at least a transparent resin layer and a surface-protecting layer on the base material sheet,
(1) the base material sheet being a thermoplastic resin sheet,
(2) the surface-protecting layer having a surface free energy of 40 mJ/m2 or more and 54 mJ/m2 or less,
(3) an arithmetic average roughness (Ra0.08) measured on the surface side of the surface-protecting layer at a cutoff value of 0.08 mm with an evaluation length of 0.4 mm by a measurement method in accordance with JIS B0601:2001 being 0.60 μm or less,
(4) a specular glossiness on the surface-protecting layer side of the decorative sheet at an incident angle of 60° being 23 or less,
(5) the surface-protecting layer consisting essentially of a curable resin, an inorganic filler having a particle size of ½ the thickness of the surface-protecting layer or less, and, optionally, one or more crosslinking agents, curing agents, or polymerization accelerators, wherein the inorganic filler has a particle size of 2 μm or more and 5 μm or less in terms of mode diameter, and wherein the thickness of the surface-protecting layer is 11 to 40 μm, and,
(6) the transparent resin layer comprising at least one member selected from the group consisting of olefin-based elastomers, polyethylene terephthalate, polybutylene terephthalate, polyamide, ionomers, acrylic acid ester-based polymers, methacrylic acid ester-based polymers, polycarbonate, and cellulose triacetate.