US 12,460,029 B2
Polyolefin
Jinyoung Lee, Daejeon (KR); Donghyeon Gwon, Daejeon (KR); Yoonchul Jung, Daejeon (KR); Chaeeun Lee, Daejeon (KR); Byung Seok Kim, Daejeon (KR); Jeongkyu Lee, Daejeon (KR); Seok Bin Hong, Daejeon (KR); and Seyoung Kim, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 18/011,518
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Oct. 28, 2021, PCT No. PCT/KR2021/015308
§ 371(c)(1), (2) Date Dec. 19, 2022,
PCT Pub. No. WO2022/108167, PCT Pub. Date May 27, 2022.
Claims priority of application No. 10-2020-0154033 (KR), filed on Nov. 17, 2020; and application No. 10-2021-0144836 (KR), filed on Oct. 27, 2021.
Prior Publication US 2023/0312788 A1, Oct. 5, 2023
Int. Cl. C08F 10/02 (2006.01); C08F 4/659 (2006.01); C08F 210/16 (2006.01)
CPC C08F 210/16 (2013.01) [C08F 4/65916 (2013.01); C08F 10/02 (2013.01)] 12 Claims
OG exemplary drawing
 
1. Polyolefin satisfying requirements of 1) to 3):
1) density measured according to ASTM D1505 being 0.915 g/cm3 to 0.930 g/cm3;
2) melt index (MI) measured at 190° C., under load of 2.16 kg according to ASTM D1238 being 0.5 to 1.5 g/10 min; and
3) by Successive Self-nucleation and Annealing (SSA) analysis, a rate of chains having ASL (Average Ethylene Sequence Length) of 22 nm or more being 16 wt % or more based on a total chains, and a rate of chains having Average Ethylene Sequence Length (ASL) of 8 nm or less being 38 wt % or more based on the total chains.