US 12,454,116 B2
Decorative sheet and decorative member
Takashi Tominaga, Tokyo (JP); and Koichi Sagawa, Tokyo (JP)
Assigned to TOPPAN INC., Tokyo (JP)
Filed by TOPPAN INC., Tokyo (JP)
Filed on Jan. 25, 2023, as Appl. No. 18/101,248.
Application 18/101,248 is a continuation of application No. PCT/JP2020/042092, filed on Nov. 11, 2020.
Claims priority of application No. 2020-146137 (JP), filed on Aug. 31, 2020.
Prior Publication US 2023/0158770 A1, May 25, 2023
Int. Cl. B32B 3/30 (2006.01); B32B 27/20 (2006.01); C09D 11/037 (2014.01)
CPC B32B 3/30 (2013.01) [B32B 27/20 (2013.01); C09D 11/037 (2013.01); B32B 2264/1051 (2020.08); B32B 2307/412 (2013.01); B32B 2307/732 (2013.01); B32B 2451/00 (2013.01); B32B 2471/00 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A decorative sheet, comprising:
a colored layer;
a pattern layer formed directly on the colored layer; and
a surface protective layer;
wherein
the surface protective layer is provided with a first surface protective layer that contains an antiviral agent and at least one of a heat-curable resin, an ultraviolet-curable resin, and an electron beam-curable resin,
the antiviral agent consists of a silver-based material supported by an inorganic material;
(a) the first surface protective layer has a thickness from 3 microns to 25 microns;
(b) an addition amount of the antiviral agent with respect to the surface protective layer is 0.2% by mass or more and 10% by mass or less,
(c) an average particle size of the antiviral agent is 1 μm or more and 10 μm or less; and
(d) the average particle size of the antiviral agent is 0.2 times to 2.5 times the thickness of the surface protective layer.