US 12,109,785 B2
Metallic decoration film, metallic interior/exterior member for vehicle, and metallic molded body
Teiko Sato, Kyoto (JP); and Kota Nagaoka, Gunma (JP)
Assigned to OIKE & CO., LTD., Kyoto (JP); and Denka Company Limited, Tokyo (JP)
Appl. No. 17/797,565
Filed by OIKE & CO., LTD., Kyoto (JP); and Denka Company Limited, Tokyo (JP)
PCT Filed Jan. 18, 2021, PCT No. PCT/JP2021/001496
§ 371(c)(1), (2) Date Aug. 4, 2022,
PCT Pub. No. WO2021/161726, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 2020-020241 (JP), filed on Feb. 10, 2020.
Prior Publication US 2023/0054896 A1, Feb. 23, 2023
Int. Cl. B32B 27/08 (2006.01); B32B 7/12 (2006.01); B32B 27/30 (2006.01); B32B 33/00 (2006.01); B32B 37/12 (2006.01); B32B 37/20 (2006.01); B60R 13/02 (2006.01); B60R 13/04 (2006.01)
CPC B32B 27/08 (2013.01) [B32B 7/12 (2013.01); B32B 27/304 (2013.01); B32B 27/308 (2013.01); B32B 33/00 (2013.01); B32B 37/12 (2013.01); B32B 37/203 (2013.01); B60R 13/02 (2013.01); B60R 13/04 (2013.01); B32B 2250/02 (2013.01); B32B 2250/246 (2013.01); B32B 2255/10 (2013.01); B32B 2255/205 (2013.01); B32B 2307/40 (2013.01); B32B 2327/00 (2013.01); B32B 2451/00 (2013.01)] 9 Claims
 
1. A metallic decoration film comprising:
a protective layer;
an anchor layer;
a metal deposition layer; and
a bonding layer,
wherein:
the protective layer, the anchor layer, the metal deposition layer, and the bonding layer are arranged in the stated order;
the metal deposition layer comprises indium;
the protective layer comprises a first mixed resin layer and a second mixed resin layer;
the second mixed resin layer is provided on the anchor layer side;
the first mixed resin layer comprises a vinylidene fluoride-based resin and an acrylic acid ester-based resin;
the second mixed resin layer comprises a vinylidene fluoride-based resin and an acrylic acid ester-based resin;
a solid content concentration ratio (% by mass) of the vinylidene fluoride-based resin to the acrylic acid ester-based resin in the first mixed resin layer is 75:25 to 60:40;
a solid content concentration ratio (% by mass) of the vinylidene fluoride-based resin to the acrylic acid ester-based resin in the second mixed resin layer is 15:85 to 60:40;
the anchor layer comprises an acrylic polyol resin as a main agent and an isocyanate-based resin as a curing agent; and
an adhesion between the second mixed resin layer and the anchor layer is from 2.6 N/15 mm to 3.8 N/15 mm, measured in accordance with a 180-degree peeling test.