US 11,697,721 B2
Method for producing resin molded article and shoe sole member
Junichiro Tateishi, Kobe (JP); Takashi Yamade, Kobe (JP); Daisuke Sawada, Kobe (JP); Takashi Osaki, Kobe (JP); and Kenichi Harano, Kobe (JP)
Assigned to ASICS CORPORATION, Kobe (JP)
Appl. No. 16/966,518
Filed by ASICS CORPORATION, Kobe (JP)
PCT Filed Jan. 31, 2018, PCT No. PCT/JP2018/003231
§ 371(c)(1), (2) Date Jul. 31, 2020,
PCT Pub. No. WO2019/150493, PCT Pub. Date Aug. 8, 2019.
Prior Publication US 2021/0087352 A1, Mar. 25, 2021
Int. Cl. C08J 9/35 (2006.01); C08L 53/02 (2006.01); C08L 75/04 (2006.01); B29C 44/44 (2006.01); B29D 35/12 (2010.01); C08J 9/00 (2006.01); B29K 25/00 (2006.01); B29K 75/00 (2006.01); B29K 105/00 (2006.01); B29K 475/00 (2006.01)
CPC C08J 9/35 (2013.01) [B29C 44/445 (2013.01); B29D 35/122 (2013.01); C08J 9/0061 (2013.01); C08L 53/02 (2013.01); C08L 75/04 (2013.01); B29K 2025/06 (2013.01); B29K 2075/00 (2013.01); B29K 2105/0061 (2013.01); B29K 2475/00 (2013.01); C08J 2353/02 (2013.01); C08J 2375/04 (2013.01); C08J 2423/00 (2013.01); C08J 2475/04 (2013.01); C08L 2203/14 (2013.01); C08L 2205/025 (2013.01)] 16 Claims
 
1. A method for producing a resin molded article, comprising:
introducing a plurality of resin foam particles, a thermoplastic resin composition, and a heat medium substance into a forming mold; and
after the introducing, a molding process of heating the plurality of resin foam particles and the thermoplastic resin composition by heating the forming mold to a temperature at which the heat medium substance can be vaporized to allow the heat medium substance to vaporize in the forming mold, thereby obtaining a resin molded article that is a resin composite in which the plurality of resin foam particles are dispersed in a matrix composed of the thermoplastic resin composition,
wherein
the thermoplastic resin composition comprises a polyolefin-based resin or a polystyrene-based resin, and
the plurality of resin foam particles are composed of a resin composition comprising a polyolefin-based resin.