	US 12,286,521 B2
	Resin composition for production of foam particles, foam particles, foam molded body and composite structure member
Yusuke Kuwabara, Osaka (JP)
Assigned to SEKISUI PLASTICS CO., LTD., Osaka (JP)
Appl. No. 17/598,451
Filed by SEKISUI PLASTICS CO., LTD., Osaka (JP)
PCT Filed Jan. 28, 2020, PCT No. PCT/JP2020/002992 § 371(c)(1), (2) Date Sep. 27, 2021, PCT Pub. No. WO2020/195118, PCT Pub. Date Oct. 1, 2020.
Claims priority of application No. 2019-064051 (JP), filed on Mar. 28, 2019.
Prior Publication US 2022/0169819 A1, Jun. 2, 2022
Int. Cl. C08J 9/16 (2006.01); C08J 9/00 (2006.01); C08J 9/232 (2006.01); C08L 69/00 (2006.01)

CPC C08J 9/232 (2013.01) [C08J 9/0061 (2013.01); C08L 69/00 (2013.01); C08J 2201/03 (2013.01); C08J 2201/038 (2013.01); C08J 2369/00 (2013.01)]

9 Claims

1. Foam particles obtained by foaming a resin composition,

wherein the resin composition comprises a base resin comprising a polycarbonate resin having a glass transition temperature of 140 to 155° C. and an amorphous polyester resin having a glass transition temperature of 100 to 130° C.,

the amorphous polyester comprises a cyclohexanedimethanol-derived unit and a tetramethyl cyclobutanediol-derived unit,

the resin composition has a glass transition temperature of 115 to 131.8° C., and

the resin composition has a melt mass-flow rate of 15 to 25 g/10 min.