	US 12,454,609 B2
	Polyethylene powder and molded article
Kenya Tanaka, Tokyo (JP)
Assigned to Asahi Kasei Kabushiki Kaisha, Tokyo (JP)
Appl. No. 17/770,085
Filed by Asahi Kasei Kabushiki Kaisha, Tokyo (JP)
PCT Filed Oct. 19, 2020, PCT No. PCT/JP2020/039215 § 371(c)(1), (2) Date Apr. 19, 2022, PCT Pub. No. WO2021/079840, PCT Pub. Date Apr. 29, 2021.
Claims priority of application No. 2019-193077 (JP), filed on Oct. 23, 2019.
Prior Publication US 2022/0372258 A1, Nov. 24, 2022
Int. Cl. C08L 23/06 (2006.01); C08F 10/02 (2006.01); C08F 110/02 (2006.01); C08J 3/12 (2006.01); C08J 9/24 (2006.01)

CPC C08L 23/06 (2013.01) [C08J 3/12 (2013.01); C08J 9/24 (2013.01); C08F 10/02 (2013.01); C08F 110/02 (2013.01); C08J 2323/06 (2013.01); C08L 2203/30 (2013.01); C08L 2207/068 (2013.01)]

8 Claims

1. A polyethylene powder having a density of 910 kg/m³or more and less than 935 kg/m³and an average particle diameter of 50 μm or more and less than 140 μm, wherein

the polyethylene powder comprises a particle having a particle diameter of 60 μm and a particle having a particle diameter of 100 μm,

a compressive strength at 10% displacement of the particle having a particle diameter of 60 μm is 2.0 MPa or more and less than 5.0 MPa, and

the compressive strength at 10% displacement of the particle having a particle diameter of 60 μm is 0.5 times or more and less than 1.3 times a compressive strength at 10% displacement of the particle having a particle diameter of 100 μm.