	US 12,221,521 B2
	Plant-derived polyamide-based elastomer foam molded body, method for manufacturing same, and foam particles thereof
Daisuke Shimizu, Osaka (JP); and Yuichi Gondoh, Osaka (JP)
Assigned to SEKISUI PLASTICS CO., LTD., Osaka (JP)
Appl. No. 17/598,583
Filed by SEKISUI PLASTICS CO., LTD., Osaka (JP)
PCT Filed Mar. 16, 2020, PCT No. PCT/JP2020/011434 § 371(c)(1), (2) Date Sep. 27, 2021, PCT Pub. No. WO2020/196020, PCT Pub. Date Oct. 1, 2020.
Claims priority of application No. 2019-062331 (JP), filed on Mar. 28, 2019.
Prior Publication US 2022/0153949 A1, May 19, 2022
Int. Cl. C08J 9/232 (2006.01); B29C 44/44 (2006.01); B29K 77/00 (2006.01); C08G 81/02 (2006.01); C08J 9/12 (2006.01); C08J 9/14 (2006.01); C08J 9/18 (2006.01)

CPC C08J 9/232 (2013.01) [B29C 44/445 (2013.01); C08G 81/028 (2013.01); C08J 9/122 (2013.01); C08J 9/141 (2013.01); C08J 9/18 (2013.01); B29K 2077/00 (2013.01); C08G 2110/0058 (2021.01); C08G 2110/0066 (2021.01); C08J 2203/06 (2013.01); C08J 2203/14 (2013.01); C08J 2203/22 (2013.01); C08J 2387/00 (2013.01)]

9 Claims

1. A polyamide-based elastomer foam molded body comprising 50 to 100 mass % of a block copolymer resin containing a polyamide block as a hard segment and a polyether block as a soft segment,

the copolymer resin having a biobased product content as measured by ASTM D6866 of 30% or more,

wherein the polyamide block is polyamide 11 derived from castor oil, and

wherein the foam molded body is an in-mold foam molded body and is composed of multiple fused bodies of foam particles.