	US 12,240,967 B2
	Polypropylene-based composite
Sang Eun Park, Daejeon (KR); Eun Jung Lee, Daejeon (KR); In Sung Park, Daejeon (KR); Tae Su Kim, Daejeon (KR); Choong Hoon Lee, Daejeon (KR); Jin Sam Gong, Daejeon (KR); Jung Ho Jun, Daejeon (KR); and Rae Keun Gwak, Daejeon (KR)
Assigned to LG Chem, Ltd., Seoul (KR)
Appl. No. 17/612,002
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Sep. 28, 2020, PCT No. PCT/KR2020/013282 § 371(c)(1), (2) Date Nov. 17, 2021, PCT Pub. No. WO2021/066491, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 10-2019-0121150 (KR), filed on Sep. 30, 2019.
Prior Publication US 2022/0227981 A1, Jul. 21, 2022
Int. Cl. C08L 23/12 (2006.01); C08F 4/659 (2006.01); C08F 210/16 (2006.01); C08F 4/6592 (2006.01); C08L 23/0807 (2025.01)

CPC C08L 23/12 (2013.01) [C08F 4/6592 (2013.01); C08L 23/0815 (2013.01); C08L 2314/06 (2013.01)]

17 Claims

1. A polypropylene-based composite, comprising:

(A) polypropylene, and

(B) an olefin-based polymer satisfying the following conditions (1) to (3):

(1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min,

(2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and

(3) T (90)-T (50)≤50 and T (95)-T (90)≥10,

wherein T (50), T (90) and T (95) are temperatures at which 50%, 90%, and 95% of the olefin-based polymer are melted, respectively, when fractionating a temperature-heat capacity curve from measurement results by a differential scanning calorimetry precise measurement method (SSA).