US 12,441,089 B2
Decorative board, transparent resin film, and decorative board production method
Satoshi Furuta, Tokyo (JP); Ryo Fujii, Tokyo (JP); Tomomi Nakajima, Tokyo (JP); Yoshiaki Netsu, Tokyo (JP); Toshinaru Kayahara, Tokyo (JP); and Yosuke Sumida, Tokyo (JP)
Assigned to Dai Nippon Printing Co., Ltd., Tokyo (JP)
Appl. No. 17/283,662
Filed by Dai Nippon Printing Co., Ltd., Tokyo (JP)
PCT Filed Sep. 30, 2019, PCT No. PCT/JP2019/038597
§ 371(c)(1), (2) Date Apr. 8, 2021,
PCT Pub. No. WO2020/075561, PCT Pub. Date Apr. 16, 2020.
Claims priority of application No. 2018-193828 (JP), filed on Oct. 12, 2018; and application No. 2018-193829 (JP), filed on Oct. 12, 2018.
Prior Publication US 2022/0009207 A1, Jan. 13, 2022
Int. Cl. B32B 21/08 (2006.01); B32B 3/30 (2006.01); B32B 7/12 (2006.01); B32B 21/02 (2006.01); B32B 27/08 (2006.01); B32B 27/16 (2006.01); B32B 27/32 (2006.01); B32B 37/12 (2006.01); B32B 38/00 (2006.01); B32B 38/06 (2006.01); B44C 1/16 (2006.01); E04F 13/08 (2006.01)
CPC B32B 21/08 (2013.01) [B32B 3/30 (2013.01); B32B 7/12 (2013.01); B32B 21/02 (2013.01); B32B 27/08 (2013.01); B32B 27/16 (2013.01); B32B 27/32 (2013.01); B32B 37/12 (2013.01); B32B 38/0008 (2013.01); B32B 38/06 (2013.01); B44C 1/16 (2013.01); E04F 13/0866 (2013.01); E04F 13/0873 (2013.01); B32B 2250/03 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2255/28 (2013.01); B32B 2307/412 (2013.01); B32B 2307/71 (2013.01); B32B 2307/712 (2013.01); B32B 2310/14 (2013.01); B32B 2317/16 (2013.01); B32B 2323/10 (2013.01); B32B 2451/00 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A decorative board comprising:
a substrate;
a picture layer; and
a transparent resin film, in a stated order of the substrate; the picture layer; and the transparent resin film in a thickness direction,
the transparent resin film comprising at least an adhesion primer layer, a thermoplastic resin layer, a primer layer, and a surface protective layer in the stated order in the thickness direction, and the transparent resin film having a pattern of protrusions and depressions on a side opposite to the picture layer side extending from the surface protective layer side of the transparent resin film to the surface on the opposite side of the adhesion primer layer on which such a protrusion is present,
the decorative board further comprising at least one layer containing an ultraviolet absorber between the picture layer and the thermoplastic resin layer,
wherein the transparent resin film has a thickness of 140 μm or larger, and has a pattern of protrusions and depressions on the picture layer side, and
the picture layer does not have a pattern of protrusions and depressions synchronized to the pattern of protrusions and depressions of the picture layer side of the transparent resin film.