US 12,187,868 B2
Poly(3-hydroxyalkanoate) foam particles and poly(3-hydroxyalkanoate) foam molded article
Tetsuya Minami, Settsu (JP)
Assigned to KANEKA CORPORATION, Osaka (JP)
Appl. No. 17/622,555
Filed by KANEKA CORPORATION, Osaka (JP)
PCT Filed May 7, 2020, PCT No. PCT/JP2020/018534
§ 371(c)(1), (2) Date Dec. 23, 2021,
PCT Pub. No. WO2021/002092, PCT Pub. Date Jan. 7, 2021.
Claims priority of application No. 2019-123634 (JP), filed on Jul. 2, 2019.
Prior Publication US 2022/0289927 A1, Sep. 15, 2022
Int. Cl. C08J 9/18 (2006.01); C08J 9/00 (2006.01); C08J 9/12 (2006.01); C08J 9/232 (2006.01); C08L 67/04 (2006.01)
CPC C08J 9/18 (2013.01) [C08J 9/0023 (2013.01); C08J 9/122 (2013.01); C08J 9/232 (2013.01); C08L 67/04 (2013.01); C08J 2201/026 (2013.01); C08J 2203/06 (2013.01); C08J 2367/04 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A poly(3-hydroxyalkanoate) foam particle, wherein a gel fraction of a whole foam particle is from 30 to 80% by weight, and a difference between a gel fraction inside of the foam particle and a gel fraction outside of the foam particle is 25% by weight or less.