US 12,247,120 B2
Surface skin, method of producing surface skin, and laminate
Shota Nishimura, Tokyo (JP)
Assigned to ZEON CORPORATION, Tokyo (JP)
Appl. No. 16/980,846
Filed by ZEON CORPORATION, Tokyo (JP)
PCT Filed Mar. 18, 2019, PCT No. PCT/JP2019/011264
§ 371(c)(1), (2) Date Sep. 15, 2020,
PCT Pub. No. WO2019/188520, PCT Pub. Date Oct. 3, 2019.
Claims priority of application No. 2018-062873 (JP), filed on Mar. 28, 2018.
Prior Publication US 2021/0017373 A1, Jan. 21, 2021
Int. Cl. C08L 27/06 (2006.01); B32B 5/18 (2006.01); B32B 27/22 (2006.01); B32B 27/30 (2006.01); B32B 27/40 (2006.01); C08K 5/00 (2006.01); C08K 5/23 (2006.01); C08L 75/04 (2006.01)
CPC C08L 27/06 (2013.01) [B32B 5/18 (2013.01); B32B 27/22 (2013.01); B32B 27/304 (2013.01); B32B 27/40 (2013.01); C08K 5/0016 (2013.01); C08K 5/23 (2013.01); C08L 75/04 (2013.01); B32B 2250/03 (2013.01); B32B 2266/0278 (2013.01); B32B 2305/022 (2013.01); B32B 2327/06 (2013.01); B32B 2375/00 (2013.01); B32B 2605/003 (2013.01); C08L 2203/14 (2013.01)] 7 Claims
 
1. A surface skin comprising:
a vinyl chloride resin molded sheet (X) which comprises a vinyl chloride resin and a plasticizer (a); and
a foamed vinyl chloride resin molded sheet (Y) which comprises a plasticizer (b),
wherein an amount of the plasticizer (a) contained in the vinyl chloride resin molded sheet (X) is 50 parts by mass or more per 100 parts by mass of the vinyl chloride resin,
the foamed vinyl chloride resin molded sheet (Y) is disposed on one side in a thickness direction of the vinyl chloride resin molded sheet (X),
a thickness of the foamed vinyl chloride resin molded sheet (Y) is 2.3 mm or more,
the plasticizer (a) comprises a trimellitic acid ester and an epoxidized soybean oil,
the plasticizer (b) comprises a trimellitic acid ester and an epoxidized soybean oil,
the foamed vinyl chloride resin molded sheet (Y) comprises an acrylic polymer, and the acrylic polymer is a copolymer consisting of a methacrylic acid alkyl ester and an acrylic acid alkyl ester.
 
3. A method of producing the surface skin-according to claim 1, the method comprising:
a first step of forming the vinyl chloride resin molded sheet (X) using a vinyl chloride resin composition (A) which comprises the vinyl chloride resin and the plasticizer (a); and
a second step of forming the foamed vinyl chloride resin molded sheet (Y) on one side in a thickness direction of the vinyl chloride resin molded sheet (X) using a foamable vinyl chloride resin composition (B) comprising the plasticizer (b).
 
7. A laminate comprising:
a foamed polyurethane molded product; and
the surface skin according to claim 1,
wherein the foamed vinyl chloride resin molded sheet (Y) is disposed between the foamed polyurethane molded product and the vinyl chloride resin molded sheet (X).